/* ========================================
   IMPULSA TU MARCA ONLINE - Portfolio
   Styles CSS - Mobile First Approach
   ======================================== */

/* CSS Variables */
:root {
  /* Colors - Light Theme */
  --bg-primary: #f8f7ff;
  --bg-secondary: #f0eeff;
  --bg-card: rgba(255, 255, 255, 0.7);
  --text-primary: #0f0f1a;
  --text-secondary: #4a4a6a;
  --text-muted: #6b6b8a;
  --accent-primary: #6366f1;
  --accent-secondary: #14b8a6;
  --gradient-start: #6366f1;
  --gradient-end: #14b8a6;
  --border-color: rgba(99, 102, 241, 0.15);
  --glow-primary: rgba(99, 102, 241, 0.3);
  --glow-accent: rgba(20, 184, 166, 0.3);
  --shadow: rgba(99, 102, 241, 0.1);
  --white: #ffffff;
  --whatsapp: #25D366;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --section-padding: 6rem 1rem;
  --container-max: 1280px;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Dark Theme */
.dark {
  --bg-primary: #0a0a14;
  --bg-secondary: #12121f;
  --bg-card: rgba(18, 18, 31, 0.6);
  --text-primary: #f5f5f7;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b8a;
  --accent-primary: #818cf8;
  --accent-secondary: #2dd4bf;
  --gradient-start: #818cf8;
  --gradient-end: #2dd4bf;
  --border-color: rgba(129, 140, 248, 0.2);
  --glow-primary: rgba(129, 140, 248, 0.4);
  --glow-accent: rgba(45, 212, 191, 0.4);
  --shadow: rgba(0, 0, 0, 0.3);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ========================================
   UTILITIES
   ======================================== */

/* Glass Effect */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
}

.glass-strong {
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px var(--shadow);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Text Highlight */
.highlight {
  color: var(--text-primary);
  font-weight: 500;
}

/* Animations */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from { 
    opacity: 0; 
    transform: translateY(30px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

@keyframes scale-in {
  from { 
    opacity: 0; 
    transform: scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: scale(1); 
  }
}

@keyframes pulse-slow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.3; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0) translateX(-50%); }
  50% { transform: translateY(-10px) translateX(-50%); }
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.animate-fade-in { animation: fade-in 0.6s ease-out forwards; }
.animate-fade-in-up { animation: fade-in-up 0.8s ease-out forwards; }
.animate-scale-in { animation: scale-in 0.6s ease-out forwards; }

.delay-200 { animation-delay: 0.2s; opacity: 0; }
.delay-300 { animation-delay: 0.3s; opacity: 0; }
.delay-500 { animation-delay: 0.5s; opacity: 0; }

/* AOS-like animations on scroll */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: var(--white);
  box-shadow: 0 8px 30px var(--glow-primary);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px var(--glow-primary);
}

.btn-secondary {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  position: relative;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -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;
}

.btn-secondary:hover {
  transform: scale(1.05);
  background: var(--bg-secondary);
}

.btn-sm {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
}

.btn-full {
  width: 100%;
  padding: 1.25rem;
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px var(--shadow);
}

.nav {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-radius: var(--radius-lg);
  color: var(--white);
}

.logo-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.nav-link-cta {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: var(--white) !important;
}

.nav-link-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px var(--glow-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.icon-moon { display: none; }
.dark .icon-sun { display: none; }
.dark .icon-moon { display: block; }

.mobile-menu-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.mobile-menu-btn span {
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.nav-links.mobile-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 1rem;
  right: 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 1rem;
  box-shadow: 0 8px 30px var(--shadow);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 6rem 1rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: pulse-slow 6s ease-in-out infinite;
}

.hero-orb-1 {
  top: 20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--glow-primary), var(--glow-accent));
}

.hero-orb-2 {
  bottom: 20%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--glow-accent), var(--glow-primary));
  animation-delay: 1s;
}

.hero-orb-3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
  opacity: 0.3;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: radial-gradient(circle at 1px 1px, var(--text-primary) 1px, transparent 0);
  background-size: 40px 40px;
}

.dark .hero-grid {
  opacity: 0.05;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.hero-badge svg {
  color: var(--accent-primary);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.375rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-bottom: 4rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px var(--shadow);
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(20, 184, 166, 0.2));
  border-radius: var(--radius-lg);
  color: var(--accent-primary);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-color);
  border-radius: 9999px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-wheel {
  width: 6px;
  height: 12px;
  background: var(--accent-primary);
  border-radius: 9999px;
  animation: pulse-slow 2s infinite;
}

/* ========================================
   SECTION COMMON STYLES
   ======================================== */

.section-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.section-bg-gradient {
  background: linear-gradient(180deg, 
    var(--bg-secondary) 0%, 
    var(--bg-primary) 50%, 
    var(--bg-secondary) 100%
  );
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.bg-orb-1 {
  top: 0;
  left: 25%;
  width: 400px;
  height: 400px;
  background: var(--glow-primary);
  opacity: 0.3;
}

.bg-orb-2 {
  bottom: 0;
  right: 25%;
  width: 400px;
  height: 400px;
  background: var(--glow-accent);
  opacity: 0.3;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.section-badge svg {
  color: var(--accent-primary);
}

.section-title {
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-title-left {
  text-align: left;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */

.projects {
  position: relative;
  padding: var(--section-padding);
  overflow: hidden;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px var(--shadow);
}

.project-card-link {
  display: block;
}

.project-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.6;
  mix-blend-mode: overlay;
  z-index: 1;
}

.overlay-blue { background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(6, 182, 212, 0.3)); }
.overlay-orange { background: linear-gradient(135deg, rgba(249, 115, 22, 0.3), rgba(239, 68, 68, 0.3)); }
.overlay-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(236, 72, 153, 0.3)); }
.overlay-green { background: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(20, 184, 166, 0.3)); }
.overlay-amber { background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(234, 179, 8, 0.3)); }
.overlay-indigo { background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3)); }

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

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  z-index: 2;
}

.project-hover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 3;
}

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

.project-hover-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: 50%;
  color: var(--white);
}

.project-impact {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  z-index: 3;
}

.project-impact svg {
  color: var(--accent-secondary);
}

.project-impact span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}

.project-content {
  padding: 1.5rem;
}

.project-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  transition: color var(--transition-base);
}

.project-title-row .project-title {
  margin-bottom: 0;
}

.project-card:hover .project-title {
  color: var(--accent-primary);
}

.external-icon {
  color: var(--accent-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .external-icon {
  opacity: 1;
}

.project-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 9999px;
}

.projects-cta {
  text-align: center;
  margin-top: 4rem;
}

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

.skills {
  position: relative;
  padding: var(--section-padding);
  overflow: hidden;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  transition: all var(--transition-slow);
}

.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px var(--shadow);
}

.skill-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(20, 184, 166, 0.2));
  border-radius: var(--radius-xl);
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  transition: transform var(--transition-base);
}

.skill-card:hover .skill-icon {
  transform: scale(1.1);
}

.skill-icon-gradient {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: var(--white);
}

.skill-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.skill-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.skill-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-feature {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 9999px;
}

.skill-feature svg {
  color: var(--accent-secondary);
}

.skill-cta {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(20, 184, 166, 0.1));
  border-color: rgba(99, 102, 241, 0.2);
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
  position: relative;
  padding: var(--section-padding);
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.about-content .section-badge {
  margin-bottom: 1.5rem;
}

.about-content .section-title {
  margin-bottom: 2rem;
}

.about-text {
  margin-bottom: 2.5rem;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-lead {
  font-size: 1.125rem;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.value-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-radius: 50%;
  color: var(--white);
  flex-shrink: 0;
}

.value-item span {
  font-size: 0.875rem;
  font-weight: 500;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-slow);
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px var(--shadow);
}

.highlight-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(20, 184, 166, 0.2));
  border-radius: var(--radius-xl);
  color: var(--accent-primary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.highlight-card:hover .highlight-icon {
  transform: scale(1.1);
}

.highlight-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.highlight-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-cta-card {
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(20, 184, 166, 0.1));
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(20px);
}

.cta-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.cta-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  font-weight: 600;
  transition: gap var(--transition-base);
}

.cta-link:hover {
  gap: 1rem;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
  position: relative;
  padding: var(--section-padding);
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

.contact-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--glow-primary) 0%, var(--glow-accent) 50%, transparent 70%);
  filter: blur(100px);
  opacity: 0.3;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.contact-card:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 60px var(--shadow);
}

.contact-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  border: none;
  color: var(--white);
}

.contact-whatsapp:hover {
  box-shadow: 0 20px 60px rgba(37, 211, 102, 0.3);
}

.contact-whatsapp .contact-icon {
  background: rgba(255, 255, 255, 0.2);
}

.contact-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(20, 184, 166, 0.2));
  border-radius: var(--radius-xl);
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-email .contact-icon {
  color: var(--accent-primary);
}

.contact-details {
  flex: 1;
}

.contact-label {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

.contact-whatsapp .contact-value {
  color: rgba(255, 255, 255, 0.8);
}

.contact-email .contact-value {
  color: var(--text-secondary);
}

.contact-arrow {
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.contact-card:hover .contact-arrow {
  transform: translateX(8px);
}

.contact-whatsapp .contact-arrow {
  color: rgba(255, 255, 255, 0.8);
}

.contact-social {
  flex-direction: column;
  align-items: flex-start;
}

.social-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-muted);
  transition: all var(--transition-base);
}

.social-link:hover {
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  transform: scale(1.1);
}

.contact-response {
  gap: 0.75rem;
  padding: 1.25rem;
}

.response-indicator {
  position: relative;
  width: 12px;
  height: 12px;
}

.ping {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #22c55e;
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.dot {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #22c55e;
}

.contact-response p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.contact-response strong {
  color: var(--text-primary);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  box-shadow: 0 8px 32px var(--shadow);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-header {
  text-align: center;
  margin-bottom: 1rem;
}

.form-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.form-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.input-wrapper {
  position: relative;
}

.input-wrapper svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.textarea-wrapper svg {
  top: 1rem;
  transform: none;
}

.input-wrapper input,
.input-wrapper textarea {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-secondary);
  border: none;
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
  color: var(--text-muted);
}

.input-wrapper input:focus,
.input-wrapper textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.input-wrapper textarea {
  resize: none;
  min-height: 120px;
}

/* Form Success */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 400px;
  padding: 2rem;
}

.form-success.show {
  display: flex;
}

.form-success .contact-form {
  display: none;
}

.success-icon {
  width: 5rem;
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border-radius: 50%;
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: scale-in 0.5s ease-out;
}

.form-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.form-success p {
  color: var(--text-muted);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 1rem 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 300px;
  line-height: 1.6;
}

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

.footer-column h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-column a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

.footer-column a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* ========================================
   WHATSAPP FLOAT BUTTON
   ======================================== */

.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--whatsapp);
  border-radius: 50%;
  color: var(--white);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 1rem);
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: all var(--transition-base);
  color: var(--text-primary);
}

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet */
@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-values {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-form-wrapper {
    padding: 2.5rem;
  }
}

/* Desktop */
@media (min-width: 768px) {
  :root {
    --section-padding: 8rem 1rem;
  }
  
  .nav-links {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .projects-grid {
    gap: 2rem;
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
  }
  
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Large Desktop */
@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .highlight-card {
    padding: 2rem;
  }
  
  .about-cta-card {
    padding: 2rem;
  }
}

/* Extra Large */
@media (min-width: 1280px) {
  .container {
    padding: 0 2rem;
  }
  
  .hero-orb-1,
  .hero-orb-2 {
    width: 500px;
    height: 500px;
  }
}