/* =============================
   BASE RESET
============================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: #0f1115;
  color: #e6e6e6;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* =============================
   CANVAS FONDO
============================= */

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* =============================
   LAYOUT
============================= */

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.narrow {
  max-width: 750px;
}

.section {
  padding: 140px 0;
  position: relative;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

p {
  color: #b5b5b5;
  margin-bottom: 20px;
}

strong {
  color: #ffffff;
}

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

.header {
  position: fixed;
  width: 100%;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(15,17,21,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
}

.logo span {
  color: #4f8cff;
}

nav a {
  margin-left: 30px;
  text-decoration: none;
  color: #cfcfcf;
  font-size: 0.95rem;
  transition: 0.3s ease;
}

nav a:hover {
  color: #4f8cff;
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  /* El hero siempre visible, sin esperar al scroll */
  opacity: 1 !important;
  transform: none !important;
}

.hero-container {
  max-width: 800px;
}

.hero-mini {
  font-size: 0.9rem;
  color: #4f8cff;
  margin-bottom: 15px;
  /* Animación de entrada propia */
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.1s;
}

.hero-name {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 25px;
  will-change: transform;
  transition: transform 0.15s ease-out;
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.25s;
}

.hero-name span {
  display: block;
}

.hero-role {
  font-size: 1.3rem;
  font-weight: 400;
  color: #cccccc;
  margin-bottom: 30px;
  will-change: transform;
  transition: transform 0.2s ease-out;
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.4s;
}

.hero-description {
  max-width: 600px;
  margin-bottom: 40px;
  will-change: transform;
  transition: transform 0.25s ease-out;
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.55s;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.7s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================
   SCROLL INDICATOR
============================= */

.scroll-indicator {
  display: inline-flex;
  margin-top: 60px;
  color: #444;
  text-decoration: none;
  animation: bounce 2s ease-in-out infinite;
  transition: color 0.3s ease;
}

.scroll-indicator:hover {
  color: #4f8cff;
}

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

/* =============================
   NAV ACTIVO
============================= */

nav a.active {
  color: #4f8cff;
}

/* =============================
   BOTÓN CV
============================= */

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  color: #cfcfcf;
  padding: 12px 22px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: 0.3s ease;
}

.btn-cv:hover {
  border-color: #4f8cff;
  color: #4f8cff;
  transform: translateY(-2px);
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.skill-item {
  background: #15181f;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 24px 20px;
  transition: 0.3s ease;
}

.skill-item:hover {
  border-color: #4f8cff;
  transform: translateY(-4px);
}

.skill-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 10px;
}

.skill-name {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  display: block;
  margin-bottom: 6px;
}

.skill-level {
  font-size: 0.8rem;
  color: #666;
  display: block;
  line-height: 1.4;
}

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

.btn-primary {
  background: #4f8cff;
  color: #fff;
  padding: 12px 22px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: 0.3s ease;
}

.btn-primary:hover {
  background: #3a6edc;
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid #4f8cff;
  color: #4f8cff;
  padding: 12px 22px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(79,140,255,0.1);
}

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

.about-highlight {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 25px;
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.project-card {
  padding: 30px;
  background: #15181f;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 10px;
  transition: 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: #4f8cff;
}

.project-card h3 {
  margin-bottom: 15px;
}

.tech {
  font-size: 0.8rem;
  color: #4f8cff;
  display: block;
  margin-top: 15px;
}

.project-link {
  display: inline-block;
  margin-top: 20px;
  color: #ffffff;
  text-decoration: none;
  font-size: 0.9rem;
}

.project-link:hover {
  color: #4f8cff;
}

.featured {
  border: 1px solid #4f8cff;
}

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

.contact-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.contact-text {
  flex: 1;
}

.contact-cta {
  flex-shrink: 0;
}

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

footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: #777;
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-icons {
  display: flex;
  gap: 20px;
}

.footer-icon {
  color: #555;
  transition: color 0.3s ease, transform 0.3s ease;
}

.footer-icon:hover {
  color: #4f8cff;
  transform: translateY(-3px);
}

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

[data-section] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

/* El hero sobreescribe los estilos de arriba */
.hero[data-section] {
  opacity: 1;
  transform: none;
}

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

/* =============================
   HAMBURGER
============================= */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #cfcfcf;
  border-radius: 2px;
  transition: 0.3s ease;
}

/* Cruz cuando está abierto */
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  #main-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(15,17,21,0.97);
    backdrop-filter: blur(10px);
    padding: 30px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    z-index: 999;
  }

  #main-nav.open {
    display: flex;
  }

  #main-nav a {
    margin: 0;
    padding: 14px 5%;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  .hero-name {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 100px 0;
  }

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