/* ===================================================================
   Martín Ríos — Portfolio UI (CSS v5)
   - Menú móvil moderno con overlay y animaciones
   - UI de última generación con glassmorphism y micro-interacciones
   - Navegación completamente responsiva y accesible
   - Diseño premium con efectos visuales avanzados
=================================================================== */
:root{
  /* Light (default) */
  --bg: #f7f9fc; --text: #0b1220; --muted: #4b5563; --panel: #ffffff; --panel-2: #f1f5f9;
  --brand: #22c55e; --brand2: #06b6d4; --link: #0ea5e9; --border: rgba(2, 6, 23, .08);
  --radius: 18px; --shadow: 0 10px 30px rgba(2,6,23,.12); --maxw: 1160px; --space: clamp(16px, 2.4vw, 28px);
  --header-h: 64px;
  
  /* Nuevas variables para menú móvil y efectos */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark preference */
@media (prefers-color-scheme: dark){
  :root{ 
    --bg:#0b1020; --text:#e6e8ee; --muted:#a1a1aa; --panel:#101827; --panel-2:#0f172a; --link:#7dd3fc; --border: rgba(255,255,255,.1);
    --glass-bg: rgba(0, 0, 0, 0.3); --glass-border: rgba(255, 255, 255, 0.1); --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  }
}
/* Explicit dark attr */
:root[data-theme="dark"]{ 
  --bg:#0b1020; --text:#e6e8ee; --muted:#a1a1aa; --panel:#101827; --panel-2:#0f172a; --link:#7dd3fc; --border: rgba(255,255,255,.12);
  --glass-bg: rgba(0, 0, 0, 0.3); --glass-border: rgba(255, 255, 255, 0.1); --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Base */
*{ box-sizing:border-box }
html{ scroll-behavior:smooth; font-size: 16px }
body{ 
  margin:0; 
  color:var(--text); 
  background:
  radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 70%),
  radial-gradient(1000px 500px at 110% -30%, color-mix(in srgb, var(--brand2) 14%, transparent), transparent 70%),
    var(--bg); 
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a{ 
  color:var(--link); 
  text-underline-offset:.25em; 
  text-decoration-thickness: 2px;
  transition: var(--transition-fast);
} 

a:hover{ 
  text-decoration:underline; 
  text-decoration-color: var(--brand);
}

.container{ 
  width:min(100% - 2rem, var(--maxw)); 
  margin-inline:auto;
  padding-inline: 1rem;
}

.section{ 
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  position: relative;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6{
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text);
}

h1{ font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; }
h2{ font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; }
h3{ font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 700; }
h4{ font-size: clamp(1.125rem, 2.5vw, 1.5rem); font-weight: 600; }
h5{ font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 600; }
h6{ font-size: clamp(0.875rem, 1.5vw, 1.125rem); font-weight: 600; }

p{ 
  margin: 0 0 1rem 0; 
  line-height: 1.7;
  color: var(--text);
}

.section-title{ 
  font-size: clamp(2rem, 5vw, 3rem); 
  font-weight: 800;
  margin: 0 0 1rem 0;
  background: linear-gradient(135deg, var(--text), color-mix(in srgb, var(--text) 70%, var(--brand) 30%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-sub{ 
  color: var(--muted); 
  margin: 0 0 2rem 0;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Text utilities */
.text-center{ text-align: center; }
.text-large{ font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
.text-small{ font-size: 0.875rem; }
.text-muted{ color: var(--muted); }
.text-brand{ color: var(--brand); }

.lead{ 
  font-size: clamp(1.125rem, 2.5vw, 1.375rem); 
  line-height: 1.6;
  color: var(--muted);
  font-weight: 400;
}

/* Lists */
ul, ol{
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}

li{
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.mini-list{
  list-style: none;
  padding: 0;
  margin: 0;
}

.mini-list li{
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--muted);
  line-height: 1.6;
}

.mini-list li::before{
  content: '→';
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 600;
}

/* Skip link */
.skip-link{ position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden }
.skip-link:focus{ left:1rem; top:1rem; width:auto; height:auto; padding:.6rem .8rem; background:var(--brand); color:#001a0a; border-radius:10px; box-shadow:var(--shadow) }

/* ---------------- Header Modern & Responsive ------------------ */
.navbar{ 
  position:sticky; top:0; z-index:50; 
  backdrop-filter:saturate(160%) blur(20px); 
  background: color-mix(in srgb, var(--panel) 85%, transparent); 
  border-bottom:1px solid var(--border);
  transition: var(--transition-smooth);
}

.nav-inner{ 
  display:grid; grid-template-columns:auto 1fr auto; 
  align-items:center; gap:.75rem; padding:.6rem 0; min-height:var(--header-h) 
}

.brand{ 
  display:flex; align-items:center; gap:.6rem; color:inherit; text-decoration:none; 
  font-weight:800; letter-spacing:.2px;
  transition: var(--transition-fast);
}

.brand:hover{ transform: translateY(-1px); }

.logo-dot{ 
  width:14px; height:14px; border-radius:50%; 
  background:linear-gradient(135deg, var(--brand), var(--brand2)); 
  box-shadow:0 0 0 4px color-mix(in srgb, var(--brand) 28%, transparent);
  transition: var(--transition-smooth);
}

.brand:hover .logo-dot{ 
  transform: scale(1.1); 
  box-shadow:0 0 0 6px color-mix(in srgb, var(--brand) 35%, transparent);
}

/* Nav horizontal con scroll en móvil */
.nav-desktop{ position:relative; justify-self:center; max-width:100% }
.nav-list{ 
  list-style:none; display:flex; gap:.4rem; margin:0; padding:.25rem; border-radius:999px; 
}

.nav-list a{ 
  display:inline-block; padding:.48rem .75rem; border-radius:999px; 
  color:inherit; text-decoration:none; line-height:1;
  transition: var(--transition-fast);
  position: relative;
}

.nav-list a:hover, .nav-list a[aria-current="page"], .nav-list a.active{ 
  background:color-mix(in srgb, var(--text) 10%, transparent);
  transform: translateY(-1px);
}

.nav-list a.active{ 
  background: color-mix(in srgb, var(--brand) 15%, transparent);
  color: var(--brand);
  font-weight: 700;
}

.nav-list a:focus-visible{ 
  outline:2px solid color-mix(in srgb, var(--brand2) 70%, white 0%); 
  outline-offset:2px 
}

.actions{ display:flex; align-items:center; gap:.4rem; justify-self:end }
.select{ 
  appearance:none; padding:.45rem .7rem; border-radius:999px; 
  border:1px solid var(--border); background: var(--panel-2); 
  color:inherit; font-weight:700;
  transition: var(--transition-fast);
}

.select:focus{ 
  outline:2px solid color-mix(in srgb, var(--brand2) 60%, white 0%); 
  outline-offset:2px;
  transform: translateY(-1px);
}

.icon-btn{ 
  display:inline-flex; align-items:center; justify-content:center; 
  width:40px; height:40px; border-radius:12px; 
  border:1px solid var(--border); background:var(--panel-2); 
  box-shadow:var(--shadow);
  transition: var(--transition-smooth);
}

.icon-btn:hover{ 
  transform: translateY(-2px) scale(1.05); 
  box-shadow: 0 12px 40px rgba(2,6,23,.15);
}

.btn.small{ padding:.55rem .8rem; font-weight:700 }
.btn.ghost{ background: color-mix(in srgb, var(--panel-2) 85%, transparent) }

/* ---------------- Menú Móvil Moderno ------------------ */
.mobile-header-actions{
  display: none; 
  align-items: center;
  gap: 0.5rem;
  justify-self: end;
}

.mobile-menu-btn{ 
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; 
  height: 44px; 
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  border: 2px solid var(--border); 
  border-radius: 12px;
  cursor: pointer; 
  z-index: 101;
  transition: var(--transition-smooth);
  box-shadow: 0 2px 8px rgba(2,6,23,.1);
}

.mobile-menu-btn:hover{
  background: color-mix(in srgb, var(--panel-2) 90%, transparent);
  border-color: var(--brand);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(2,6,23,.15);
}

.hamburger-icon{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 16px;
}

.hamburger-line{ 
  width: 100%; 
  height: 2px; 
  background: var(--text); 
  border-radius: 2px; 
  transition: var(--transition-smooth); 
  transform-origin: center;
}

/* Animación del botón hamburguesa */
.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1){ 
  transform: rotate(45deg) translate(5px, 5px); 
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2){ 
  opacity: 0; 
  transform: scaleX(0);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3){ 
  transform: rotate(-45deg) translate(5px, -5px); 
}

.mobile-menu-btn[aria-expanded="true"]{
  background: color-mix(in srgb, var(--brand) 15%, transparent);
  border-color: var(--brand);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line{
  background: var(--brand);
}

/* Controles móviles */
.mobile-select{
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  min-width: 50px;
  border-radius: 10px;
}

.mobile-theme-btn{
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

/* Overlay del menú móvil */
.mobile-menu-overlay{ 
  position: fixed; 
  top: 0; 
  left: 0; 
  right: 0; 
  bottom: 0; 
  background: rgba(0, 0, 0, 0.9); 
  backdrop-filter: blur(20px); 
  z-index: 100; 
  opacity: 0; 
  visibility: hidden; 
  transition: var(--transition-smooth);
}

.mobile-menu-overlay[aria-hidden="false"]{ 
  opacity: 1; 
  visibility: visible; 
}

.mobile-menu-container{
  position: relative;
  width: 100%; 
  height: 100%; 
  display: flex; 
  flex-direction: column; 
  background: var(--panel);
  transform: translateX(100%); 
  transition: var(--transition-bounce);
}

.mobile-menu-overlay[aria-hidden="false"] .mobile-menu-container{
  transform: translateX(0); 
}

/* Header del menú móvil */
.mobile-menu-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-2) 50%, transparent);
}

.mobile-brand{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
}

.mobile-brand .logo-dot{
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 25%, transparent);
}

.mobile-menu-close{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text);
}

.mobile-menu-close:hover{
  background: color-mix(in srgb, var(--panel-2) 85%, transparent);
  border-color: var(--brand);
  color: var(--brand);
  transform: scale(1.05);
}

/* Navegación móvil */
.mobile-nav{
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  overflow-y: auto;
}

.mobile-nav-list{ 
  list-style: none; 
  padding: 0; 
  margin: 0 0 2rem 0; 
  display: flex; 
  flex-direction: column; 
  gap: 0.5rem; 
}

.mobile-nav-link{
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: color-mix(in srgb, var(--panel-2) 60%, transparent);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-decoration: none; 
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 600; 
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.mobile-nav-link::before{
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: var(--transition-fast);
}

.mobile-nav-link:hover::before{
  left: 100%;
}

.mobile-nav-link:hover{
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  transform: translateX(8px); 
  box-shadow: 0 8px 25px rgba(2,6,23,.1);
  border-color: var(--brand);
}

.mobile-nav-link.active{
  background: color-mix(in srgb, var(--brand) 15%, transparent);
  color: var(--brand);
  font-weight: 700;
  border-color: var(--brand);
}

.nav-icon{
  font-size: 1.4rem;
  flex-shrink: 0;
}

.nav-text{
  flex: 1;
}

.nav-arrow{
  font-size: 1.2rem;
  color: var(--muted);
  transition: var(--transition-fast);
}

.mobile-nav-link:hover .nav-arrow{
  color: var(--brand);
  transform: translateX(4px);
}

/* Acciones móviles */
.mobile-actions{ 
  display: flex; 
  flex-direction: column; 
  gap: 1rem; 
  margin-bottom: 2rem;
}

.mobile-cta{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center; 
  gap: 0.5rem;
  padding: 1.2rem 2rem;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
  transition: var(--transition-smooth);
}

.mobile-cta:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(34, 197, 94, 0.4);
}

.mobile-github{
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  color: var(--text);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.mobile-github:hover{
  background: color-mix(in srgb, var(--panel-2) 90%, transparent);
  border-color: var(--brand);
  transform: translateY(-1px);
}

/* Footer móvil */
.mobile-footer{
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.mobile-tagline{
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.mobile-location{
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Fades laterales cuando hay scroll horizontal (móvil) */
@media (max-width: 780px){
  .nav-inner{ 
    grid-template-columns:auto auto; 
    grid-template-areas:
      "brand actions"
      "nav nav"; 
    row-gap:.35rem 
  }
  
  .nav-desktop{ 
    grid-area:nav; 
  }
  
  .nav-list{ 
    overflow-x:auto; 
    -webkit-overflow-scrolling:touch; 
    scrollbar-width:thin; 
    padding:.35rem .6rem; 
    background: color-mix(in srgb, var(--panel-2) 70%, transparent) 
  }
  
  .nav-list::-webkit-scrollbar{ height:8px }
  .nav-list::-webkit-scrollbar-thumb{ 
    background: color-mix(in srgb, var(--text) 20%, transparent); 
    border-radius:999px 
  }
  
  .nav-desktop::before,
  .nav-desktop::after{
    content:""; 
    position:absolute; 
    top:0; 
    bottom:0; 
    width:28px; 
    pointer-events:none;
    background:linear-gradient(to right, var(--panel) 0%, transparent 100%);
  }
  
  .nav-desktop::before{ left:-2px }
  .nav-desktop::after{ right:-2px; transform:scaleX(-1) }
  
  /* Compactar acciones en móvil */
  .actions .btn.ghost{ display:none }
  .select{ padding:.35rem .6rem; font-size:.9rem }
  .icon-btn{ width:36px; height:36px; border-radius:10px }
  .brand strong{ font-size:1rem }
}

/* Menú móvil en pantallas pequeñas */
@media (max-width: 768px){
  .nav-inner{
    grid-template-columns: auto 1fr auto;
  }
  
  .desktop-actions{
    display: none;
  }
  
  .mobile-header-actions{ 
    display: flex; 
  }
  
  .nav-desktop{ 
    display: none; 
  }
}

/* Ajustes específicos para móviles muy pequeños */
@media (max-width: 480px){
  .mobile-menu-header{
    padding: 1rem 1.5rem;
  }
  
  .mobile-nav{
    padding: 1.5rem;
  }
  
  .mobile-nav-link{
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }
  
  .nav-icon{
    font-size: 1.2rem;
  }
  
  .mobile-cta,
  .mobile-github{
    padding: 1rem 1.5rem;
  }
}

/* ------------------- Hero Section ----------------------- */
.hero-container{ 
  display:grid; 
  gap: calc(var(--space) * 1.5); 
  grid-template-columns:1fr; 
  align-items:center; 
  min-height: 80vh;
  padding: calc(var(--space) * 1) 0;
}

@media (min-width: 960px){ 
  .hero-container{ 
    grid-template-columns: 1.2fr 1fr; 
    min-height: 85vh;
  } 
}

.hero-content{
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge-wrapper{
  display: flex;
  justify-content: flex-start;
}

.hero-title{
  margin: 0;
  line-height: 1.1;
  font-weight: 900;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-greeting{
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 500;
  color: var(--muted);
  opacity: 0.8;
}

.hero-name{
  font-size: clamp(40px, 8vw, 72px);
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.hero-role{
  font-size: clamp(24px, 4vw, 36px);
  color: var(--text);
  font-weight: 700;
  line-height: 1.2;
}

.hero-subtitle{
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
  max-width: 600px;
}

/* Stats profesionales */
.hero-stats{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
  padding: 1.5rem;
  background: color-mix(in srgb, var(--panel-2) 60%, transparent);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.stat-item{
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number{
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  color: var(--brand);
  line-height: 1;
}

.stat-label{
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
}

/* Tech stack */
.hero-tech-stack{
  margin: 1rem 0;
}

.tech-label{
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 0.8rem 0;
}

.tech-chips{
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-chip{
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-fast);
  border: 1px solid var(--border);
}

.tech-chip.primary{
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand) 20%, transparent),
    color-mix(in srgb, var(--brand2) 15%, transparent)
  );
  color: var(--brand);
  border-color: var(--brand);
}

.tech-chip.secondary{
  background: color-mix(in srgb, var(--brand2) 15%, transparent);
  color: var(--brand2);
  border-color: var(--brand2);
}

.tech-chip.tertiary{
  background: color-mix(in srgb, var(--text) 8%, transparent);
  color: var(--muted);
}

.tech-chip:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(2,6,23,.12);
}

/* Hero CTA */
.hero-cta{
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn.large{
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn.primary{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: white;
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
}

.btn.secondary{
  background: color-mix(in srgb, var(--panel-2) 90%, transparent);
  color: var(--text);
  border: 2px solid var(--border);
}

.btn.primary:hover{
  box-shadow: 0 12px 35px rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

.btn.secondary:hover{
  background: color-mix(in srgb, var(--panel-2) 95%, transparent);
  border-color: var(--brand);
  transform: translateY(-2px);
}

.btn-icon{
  font-size: 1.2em;
  transition: var(--transition-fast);
}

.btn.primary:hover .btn-icon{
  transform: translateX(4px);
}

/* Hero Visual Card */
.hero-visual{
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  width: 100%;
  max-width: 400px;
  transition: var(--transition-smooth);
}

.hero-card:hover{
  transform: translateY(-8px);
  box-shadow: 0 25px 60px rgba(2,6,23,.15);
}

.card-header{
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand) 8%, transparent),
    color-mix(in srgb, var(--brand2) 5%, transparent)
  );
}

.avatar{
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.avatar-inner{
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-text{
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--brand);
}

.card-info{
  flex: 1;
}

.card-name{
  margin: 0 0 0.25rem 0;
  font-size: 1.3rem;
  font-weight: 700;
}

.card-title{
  margin: 0 0 0.25rem 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.card-location{
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-indicator{
  width: 12px;
  height: 12px;
  border-radius: 50%;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.status-indicator.online{
  background: #22c55e;
  box-shadow: 0 0 0 3px color-mix(in srgb, #22c55e 30%, transparent);
  animation: pulse-status 2s infinite;
}

@keyframes pulse-status {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.card-content{
  padding: 1.5rem;
}

.expertise-list{
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.expertise-item{
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: color-mix(in srgb, var(--panel-2) 60%, transparent);
  border-radius: 12px;
  transition: var(--transition-fast);
}

.expertise-item:hover{
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  transform: translateX(4px);
}

.expertise-icon{
  font-size: 1.5rem;
  flex-shrink: 0;
}

.expertise-text{
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.expertise-text strong{
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.expertise-text span{
    font-size: 0.85rem; 
  color: var(--muted);
}

.quick-links{
  display: flex;
  gap: 0.75rem;
}

.quick-link{
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.quick-link:hover{
  background: color-mix(in srgb, var(--brand) 15%, transparent);
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-2px);
}

.link-icon{
  font-size: 1.1rem;
}

.link-arrow{
  font-size: 1rem;
  transition: var(--transition-fast);
}

.quick-link:hover .link-arrow{
  transform: translate(2px, -2px);
}

/* Pulse animation for badge */
.pulse{
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--brand) 40%, transparent);
  }
  50% { 
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--brand) 0%, transparent);
  }
}

/* Responsive adjustments */
@media (max-width: 960px){
  .hero-container{
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding: calc(var(--space) * 1.5) 0;
  }
  
  .hero-stats{
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-cta{
    justify-content: center;
  }
}

@media (max-width: 640px){
  .hero-stats{
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem;
  }
  
  .stat-item{
    padding: 0.5rem;
  }
  
  .tech-chips{
    justify-content: center;
  }
  
  .hero-cta{
    flex-direction: column;
    align-items: center;
  }
  
  .btn.large{
    width: 100%;
    justify-content: center;
    max-width: 300px;
  }
  
  .hero-card{
    max-width: 100%;
  }
}

.card{ 
  background: color-mix(in srgb, var(--panel) 94%, transparent); 
  border:1px solid var(--border); 
  border-radius: var(--radius); 
  box-shadow: var(--shadow); 
  overflow:hidden;
  transition: var(--transition-smooth);
  position: relative;
}

.card:hover{ 
  transform: translateY(-4px); 
  box-shadow: 0 20px 40px rgba(2,6,23,.15);
}

.card::before{ 
  content: ''; 
  position: absolute; 
  top: 0; 
  left: 0; 
  right: 0; 
  height: 2px; 
  background: linear-gradient(90deg, var(--brand), var(--brand2)); 
  opacity: 0; 
  transition: var(--transition-smooth);
}

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

.pad{ padding: clamp(18px, 2.2vw, 28px) }

.badge{ 
  display:inline-flex; align-items:center; gap:.5rem; 
  padding:.38rem .65rem; 
  border-radius:999px; 
  background: color-mix(in srgb, var(--brand) 18%, transparent); 
  color: color-mix(in srgb, var(--brand) 90%, white 0%); 
  font-weight:800;
  transition: var(--transition-fast);
}

.badge:hover{ 
  transform: scale(1.05); 
  background: color-mix(in srgb, var(--brand) 25%, transparent);
}

.lead{ font-size:clamp(16px, 1.4vw, 18px); color:var(--muted) }

.chips{ display:flex; gap:.5rem; flex-wrap:wrap; margin:.8rem 0 }

.chip{ 
  border:1px solid var(--border); 
  background: color-mix(in srgb, var(--panel-2) 85%, transparent); 
  padding:.35rem .6rem; 
  border-radius:999px; 
  font-size:.95rem;
  transition: var(--transition-fast);
}

.chip:hover{ 
  transform: translateY(-1px); 
  background: color-mix(in srgb, var(--panel-2) 95%, transparent);
  box-shadow: 0 4px 12px rgba(2,6,23,.1);
}

.cta{ display:flex; flex-wrap:wrap; gap:.7rem; margin-top:1rem }

.btn{ 
  display:inline-block; 
  padding:.8rem 1.05rem; 
  border-radius:12px; 
  background:linear-gradient(180deg, color-mix(in srgb, var(--brand) 80%, #fff 0%), color-mix(in srgb, var(--brand) 60%, #000 0%)); 
  color:#052e12; 
  text-decoration:none; 
  font-weight:900; 
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::before{ 
  content: ''; 
  position: absolute; 
  top: 0; 
  left: -100%; 
  width: 100%; 
  height: 100%; 
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); 
  transition: var(--transition-smooth);
}

.btn:hover::before{ 
  left: 100%; 
}

.btn:hover{ 
  filter: brightness(1.05); 
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(2,6,23,.2);
}

.btn.alt{ 
  background:linear-gradient(180deg, color-mix(in srgb, var(--brand2) 80%, #fff 0%), color-mix(in srgb, var(--brand2) 55%, #000 0%)); 
  color:#00161a 
}

/* Grids */
.grid{ display:grid; gap: var(--space) }
.cards-3{ grid-template-columns: 1fr }
.two-col{ grid-template-columns: 1fr }

@media (min-width: 640px){ 
  .cards-3{ grid-template-columns: repeat(2, 1fr) } 
}

@media (min-width: 860px){ 
  .cards-3{ grid-template-columns: repeat(3, 1fr) } 
  .two-col{ grid-template-columns: 1.1fr .9fr } 
}

@media (min-width: 1200px){ 
  .cards-3{ grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)) } 
}

/* Project cards */
.proj.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition-smooth);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.proj.card::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  opacity: 0;
  transition: var(--transition-smooth);
}

.proj.card:hover::before{
  opacity: 1;
}

.cardlink{ 
  color: inherit; 
  text-decoration: none; 
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-smooth);
}

.cardlink img{
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0;
  transition: var(--transition-smooth);
}

.cardlink:hover img{
  transform: scale(1.05);
}

.cardlink .pad{
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
}

.cardlink h3{ 
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  transition: var(--transition-fast);
  line-height: 1.3;
}

.cardlink:hover h3{ 
  color: var(--brand);
}

.cardlink .meta{
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

.cardlink:hover .card{ 
  transform: translateY(-8px); 
  box-shadow: 0 30px 60px rgba(2,6,23,.15);
}

.tags{ display:flex; flex-wrap:wrap; gap:.35rem; margin-top:.5rem }

.tag{ 
  font-size:.85rem; 
  padding:.28rem .5rem; 
  border-radius:999px; 
  background: color-mix(in srgb, var(--brand) 16%, transparent); 
  color: color-mix(in srgb, var(--brand) 90%, white 0%);
  transition: var(--transition-fast);
}

.tag:hover{ 
  transform: scale(1.05); 
  background: color-mix(in srgb, var(--brand) 25%, transparent);
}

.repo-meta{ 
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  gap: 0.75rem; 
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}

.star{ 
  display: inline-flex; 
  align-items: center; 
  gap: 0.35rem;
  padding: 0.25rem 0.5rem;
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  color: var(--brand);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.star:hover{ 
  transform: scale(1.05); 
  background: color-mix(in srgb, var(--brand) 15%, transparent);
}

/* Skeletons para carga (repos) */
.skeleton{ background:linear-gradient(90deg, color-mix(in srgb, var(--text) 8%, transparent), color-mix(in srgb, var(--text) 14%, transparent), color-mix(in srgb, var(--text) 8%, transparent)); background-size:200% 100%; border-radius:12px; animation: shimmer 1.2s infinite linear }
@keyframes shimmer{ 0%{ background-position:200% 0 } 100%{ background-position:-200% 0 } }

/* Services */
.service .pad{ 
  display:grid; gap:.4rem;
  transition: var(--transition-fast);
}

.service:hover .pad{ 
  transform: scale(1.02); 
}

.service h3{ 
  transition: var(--transition-fast);
}

.service:hover h3{ 
  color: var(--brand);
}

/* Skills Section */
.section-header{
  text-align: center;
  margin-bottom: calc(var(--space) * 2);
}

.skills-container{
  display: grid;
  gap: calc(var(--space) * 1.5);
  margin-bottom: calc(var(--space) * 2);
}

.skills-category{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.skills-category:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(2,6,23,.1);
}

.category-title{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.5rem 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}

.category-icon{
  font-size: 1.8rem;
}

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

@media (min-width: 768px){
  .skills-grid{
    grid-template-columns: repeat(2, 1fr);
  }
}

.skill-card{
  background: color-mix(in srgb, var(--panel-2) 60%, transparent);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.skill-card::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  opacity: 0;
  transition: var(--transition-smooth);
}

.skill-card:hover{
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(2,6,23,.1);
}

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

.skill-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

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

.skill-level{
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.skill-level.expert{
  background: color-mix(in srgb, var(--brand) 20%, transparent);
  color: var(--brand);
}

.skill-level.advanced{
  background: color-mix(in srgb, var(--brand2) 20%, transparent);
  color: var(--brand2);
}

.skill-level.intermediate{
  background: color-mix(in srgb, var(--text) 15%, transparent);
  color: var(--text);
}

.skill-bar{
  height: 8px;
  background: color-mix(in srgb, var(--text) 10%, transparent); 
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1rem;
  position: relative;
}

.skill-progress{
  height: 100%;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  border-radius: 999px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-progress::after{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer-skill 2s infinite;
}

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

.skill-desc{
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.4;
  margin: 0;
}

/* Additional Skills */
.additional-skills{
  background: color-mix(in srgb, var(--panel) 95%, transparent);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
}

.additional-skills h3{
  text-align: center;
  margin: 0 0 2rem 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

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

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

@media (min-width: 960px){
  .competencies-grid{
    grid-template-columns: repeat(4, 1fr);
  }
}

.competency-item{
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: var(--transition-smooth);
}

.competency-item:hover{
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(2,6,23,.1);
  background: color-mix(in srgb, var(--panel) 98%, transparent);
}

.competency-icon{
  font-size: 2rem;
  flex-shrink: 0;
}

.competency-content{
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.competency-content strong{
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.competency-content span{
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 640px){
  .skills-category{
    padding: 1.5rem;
  }
  
  .skill-card{
    padding: 1.25rem;
  }
  
  .additional-skills{
    padding: 1.5rem;
  }
  
  .competency-item{
    padding: 1.25rem;
  }
  
  .competencies-grid{
    gap: 1rem;
  }
}

/* Timeline */
.timeline{ 
  position:relative; padding-left:1.2rem; list-style:none; margin:0 
}

.timeline::before{ 
  content:""; position:absolute; left:.3rem; top:.2rem; bottom:.2rem; 
  width:2px; 
  background: color-mix(in srgb, var(--text) 18%, transparent);
  transition: var(--transition-smooth);
}

.tl-item{ 
  position:relative; margin:0 0 1rem 0;
  transition: var(--transition-fast);
}

.tl-item:hover{ 
  transform: translateX(4px); 
}

.tl-item:hover .timeline::before{ 
  background: linear-gradient(to bottom, var(--brand), var(--brand2));
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
}

.tl-dot{ 
  position:absolute; left:-.06rem; top:.4rem; width:.7rem; height:.7rem; 
  border-radius:50%; 
  background:linear-gradient(135deg, var(--brand), var(--brand2)); 
  box-shadow:0 0 0 4px color-mix(in srgb, var(--brand) 25%, transparent);
  transition: var(--transition-smooth);
}

.tl-item:hover .tl-dot{ 
  transform: scale(1.2); 
  box-shadow:0 0 0 6px color-mix(in srgb, var(--brand) 35%, transparent);
}

.tl-body{ 
  background: color-mix(in srgb, var(--panel-2) 92%, transparent); 
  border:1px solid var(--border); 
  border-radius:12px; 
  padding:.8rem 1rem;
  transition: var(--transition-fast);
}

.tl-item:hover .tl-body{ 
  background: color-mix(in srgb, var(--panel-2) 96%, transparent);
  box-shadow: 0 8px 25px rgba(2,6,23,.1);
}

/* Contact Section */
.contact-container{
  display: grid;
  gap: calc(var(--space) * 2);
  grid-template-columns: 1fr;
}

@media (min-width: 960px){
  .contact-container{
    grid-template-columns: 1fr 1.2fr;
  }
}

/* Contact Info */
.contact-info{
  display: flex;
  flex-direction: column;
}

.contact-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  height: fit-content;
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.contact-header{
  margin-bottom: 2rem;
}

.contact-header h3{
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.contact-header p{
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.contact-methods{
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-method{
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: color-mix(in srgb, var(--panel-2) 60%, transparent);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-decoration: none;
  color: var(--text);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.contact-method::before{
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: var(--transition-fast);
}

.contact-method:hover::before{
  left: 100%;
}

.contact-method:hover{
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(2,6,23,.1);
}

.contact-method.primary{
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  border-color: var(--brand);
}

.contact-method.primary:hover{
  background: color-mix(in srgb, var(--brand) 15%, transparent);
}

.method-icon{
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--brand) 15%, transparent);
  border-radius: 12px;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.method-content{
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.method-content strong{
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.method-content span{
  font-size: 0.9rem;
  color: var(--muted);
}

.method-content small{
  font-size: 0.8rem;
  color: var(--brand);
  font-weight: 600;
}

.method-arrow{
  font-size: 1.2rem;
  color: var(--muted);
  transition: var(--transition-fast);
}

.contact-method:hover .method-arrow{
  color: var(--brand);
  transform: translateX(4px);
}

.contact-details{
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.detail-item{
  display: flex;
  align-items: center;
  gap: 1rem;
}

.detail-icon{
  font-size: 1.2rem;
  width: 32px;
  text-align: center;
}

.detail-content{
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.detail-content strong{
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.detail-content span{
  font-size: 0.85rem;
  color: var(--muted);
}

/* Contact Form */
.contact-form-wrapper{
  display: flex;
  flex-direction: column;
}

.contact-form-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
}

.form-header{
  margin-bottom: 2rem;
}

.form-header h3{
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.form-header p{
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

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

.form-group{
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px){
  .form-group{
    grid-template-columns: 1fr 1fr;
  }
}

.form-row{
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.form-row label{
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  transition: var(--transition-fast);
}

.form-row:focus-within label{ 
  color: var(--brand);
}

.form-row input,
.form-row select,
.form-row textarea{
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  color: var(--text);
  font-size: 1rem;
  transition: var(--transition-smooth);
  position: relative;
}

.form-row input::placeholder,
.form-row textarea::placeholder{
  color: var(--muted);
  opacity: 0.7;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline: none;
  border-color: var(--brand);
  background: color-mix(in srgb, var(--panel-2) 85%, transparent);
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1);
}

.form-row select{
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 3rem;
}

.form-row textarea{
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.char-counter{
  align-self: flex-end;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.form-actions{
  display: flex;
  justify-content: flex-start;
  margin-top: 1rem;
}

.form-status{
  margin: 1rem 0 0 0;
  padding: 1rem;
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--transition-smooth);
}

.form-status:not(:empty){
  opacity: 1;
  transform: translateY(0);
}

.form-status.success{
  background: color-mix(in srgb, var(--brand) 15%, transparent);
  color: var(--brand);
  border: 1px solid var(--brand);
}

.form-status.error{
  background: color-mix(in srgb, #ef4444 15%, transparent);
  color: #ef4444;
  border: 1px solid #ef4444;
}

.form-status.sending{
  background: color-mix(in srgb, var(--brand2) 15%, transparent);
  color: var(--brand2);
  border: 1px solid var(--brand2);
}

.form-footer{
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.form-note{
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.4;
}

/* Form validation */
.form-row input.error,
.form-row select.error,
.form-row textarea.error{
  border-color: #ef4444;
  background: color-mix(in srgb, #ef4444 8%, transparent);
}

.field-error{
  font-size: 0.8rem;
  color: #ef4444;
  font-weight: 600;
  margin-top: 0.25rem;
}

/* Responsive adjustments */
@media (max-width: 960px){
  .contact-card{
    position: static;
  }
}

@media (max-width: 640px){
  .contact-card,
  .contact-form-card{
    padding: 1.5rem;
  }
  
  .contact-method{
    padding: 1rem;
  }
  
  .method-icon{
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }
  
  .form-group{
    grid-template-columns: 1fr;
  }
}

/* Footer */
.footer-grid{ 
  display:grid; gap:var(--space); grid-template-columns: 1fr 
}

.footer-links{ 
  list-style:none; padding:0; margin:0; display:grid; gap:.3rem 
}

.footer-links a{ 
  transition: var(--transition-fast);
  display: inline-block;
}

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

@media (min-width: 860px){ 
  .footer-grid{ grid-template-columns: 1.2fr .8fr } 
}

footer{ 
  border-top:1px dashed var(--border); 
  background: color-mix(in srgb, var(--panel) 92%, transparent); 
  padding: calc(var(--space) * 1.5) 0;
  position: relative;
}

footer::before{ 
  content: ''; 
  position: absolute; 
  top: 0; 
  left: 50%; 
  transform: translateX(-50%); 
  width: 100px; 
  height: 2px; 
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  opacity: 0.6;
}

/* Background blobs */
.bg-blobs{ 
  position:fixed; inset:0; pointer-events:none; z-index:-1;
  transition: var(--transition-smooth);
}

.bg-blobs::before, .bg-blobs::after{ 
  content:""; 
  position:absolute; 
  filter: blur(60px); 
  opacity:.5;
  transition: var(--transition-smooth);
}

.bg-blobs::before{ 
  width:520px; height:520px; 
  left:-120px; top:-120px; 
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 55%, white 0%), transparent);
  animation: float 20s ease-in-out infinite;
}

.bg-blobs::after{ 
  width:520px; height:520px; 
  right:-140px; top:-100px; 
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brand2) 55%, white 0%), transparent);
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* Utilities */
.split{ 
  display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap 
}

.visually-hidden{ 
  position:absolute; width:1px; height:1px; margin:-1px; border:0; padding:0; white-space:nowrap; clip-path:inset(50%); clip:rect(0 0 0 0); overflow:hidden 
}

/* Efectos de hover para enlaces */
a:not(.btn):not(.cardlink):not(.mobile-nav-list a):not(.footer-links a):not(.contact-list a){ 
  position: relative;
  transition: var(--transition-fast);
}

a:not(.btn):not(.cardlink):not(.mobile-nav-list a):not(.footer-links a):not(.contact-list a)::after{ 
  content: ''; 
  position: absolute; 
  bottom: -2px; 
  left: 0; 
  width: 0; 
  height: 2px; 
  background: linear-gradient(90deg, var(--brand), var(--brand2)); 
  transition: var(--transition-smooth);
}

a:not(.btn):not(.cardlink):not(.mobile-nav-list a):not(.footer-links a):not(.contact-list a):hover::after{ 
  width: 100%; 
}

/* Reveal: progressive enhancement */
.reveal{ opacity:1; transform:none }
.js .reveal{ opacity:0; transform: translateY(14px); will-change: transform, opacity }
.js .reveal.revealed{ opacity:1; transform:none; transition: opacity .6s ease, transform .6s ease }

/* Print */
@media print{
  .navbar, .cta, .bg-blobs, .icon-btn, .select, .tags img, .mobile-menu-btn, .mobile-menu-overlay{ display:none !important }
  body{ background:#fff; color:#111 }
  .card, .tl-body{ box-shadow:none; border-color:#ddd }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .bg-blobs::before, .bg-blobs::after {
    animation: none !important;
  }
}

/* Focus visible mejorado */
*:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--panel-2);
}

::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text) 20%, transparent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--brand) 40%, transparent);
}