/* ── ROOT VARIABLES ───────────────────────────────────── */
:root {
  --green:    #00ff41;
  --green-dim:#00c030;
  --green-glow: 0 0 8px #00ff41aa;
  --black:    #000;
  --sky:      #cce9f9;
  --sky-dark: #93c5fd;
  --sky-deep: #1e3a5f;
  --white:    #f0f0f0;
  --card-bg:  #ffffffcc;
  --mono:     'Share Tech Mono', monospace;
  --display:  'Orbitron', sans-serif;
  --body:     'Rajdhani', sans-serif;
}

/* ── RESET & BASE ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--body); overflow-x: hidden; background: var(--black); }

/* ── CUSTOM SCROLLBAR ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 3px; }

/* ══════════════════════════════════════════════════════
    NAVIGATION
══════════════════════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 2rem;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #00ff4130;
}

/* Logo */
.nav-logo {
  width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid var(--green);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 1rem; color: var(--green);
  box-shadow: var(--green-glow);
  overflow: hidden; cursor: pointer; flex-shrink: 0;
  transition: transform .3s;
}
.nav-logo:hover { transform: rotate(10deg) scale(1.08); }
.nav-logo img { width: 100%; height: 100%; object-fit: cover; }
.nav-logo-text { font-size: .85rem; letter-spacing: .05em; }

/* Links */
.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  font-family: var(--mono); font-size: .85rem; color: #aaa;
  text-decoration: none; letter-spacing: .1em; text-transform: uppercase;
  position: relative; transition: color .2s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0;
  width: 0; height: 1px; background: var(--green);
  transition: width .3s;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span {
  display: block; width: 26px; height: 2px;
  background: var(--green); transition: all .3s;
}
.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); }

/* Mobile menu */
.mobile-menu {
  display: none; position: fixed; top: 68px; left: 0; width: 100%;
  background: rgba(0,0,0,0.97); border-bottom: 1px solid #00ff4130;
  flex-direction: column; align-items: center; gap: 0; z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--mono); font-size: 1rem; color: #aaa;
  text-decoration: none; letter-spacing: .15em; text-transform: uppercase;
  padding: 1rem 2rem; width: 100%; text-align: center;
  border-bottom: 1px solid #111; transition: color .2s, background .2s;
}
.mobile-menu a:hover { color: var(--green); background: #00ff4108; }

/* ══════════════════════════════════════════════════════
   HERO — BIENVENIDA
══════════════════════════════════════════════════════ */
#home {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--black); overflow: hidden;
}

#matrix-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: .55; pointer-events: none;
}

.hero-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 2rem;
}
.hero-badge {
  font-family: var(--mono); font-size: .75rem; color: var(--green);
  letter-spacing: .3em; text-transform: uppercase;
  border: 1px solid #00ff4140; padding: .35rem 1rem;
  margin-bottom: 1.5rem; border-radius: 2px;
  animation: badgeFade 1s ease forwards;
}
.hero-title {
  font-family: var(--display); font-size: clamp(2.8rem, 8vw, 6rem);
  color: var(--green); font-weight: 900; line-height: 1;
  text-shadow: 0 0 30px #00ff4166, 0 0 60px #00ff4133;
  letter-spacing: .04em;
  animation: glitchIn 1s ease .3s both;
}
.hero-title span { display: block; }
.hero-subtitle {
  font-family: var(--mono); font-size: clamp(1rem, 3vw, 1.4rem);
  color: #00c030; margin-top: 1rem;
  letter-spacing: .1em;
  animation: typeIn 2s steps(28) 1.2s both;
  white-space: nowrap; overflow: hidden;
  border-right: 2px solid var(--green);
}
.hero-cta {
  margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
  animation: fadeUp .6s ease 2.5s both;
}
.btn {
  font-family: var(--mono); font-size: .85rem; letter-spacing: .1em;
  text-transform: uppercase; text-decoration: none;
  padding: .7rem 1.8rem; border-radius: 3px; cursor: pointer;
  transition: all .25s;
}
.btn-primary {
  background: var(--green); color: #000; border: 2px solid var(--green);
}
.btn-primary:hover { background: transparent; color: var(--green); box-shadow: var(--green-glow); }
.btn-outline {
  background: transparent; color: var(--green); border: 2px solid var(--green-dim);
}
.btn-outline:hover { background: #00ff4115; box-shadow: var(--green-glow); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  animation: bounce 2s infinite; z-index: 2;
}
.scroll-indicator span {
  font-family: var(--mono); font-size: .65rem; color: #00ff4180;
  letter-spacing: .2em; text-transform: uppercase;
}
.scroll-arrow {
  width: 20px; height: 20px; border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green); transform: rotate(45deg);
}

/* ══════════════════════════════════════════════════════
   SKILLS
══════════════════════════════════════════════════════ */
#skills {
  background: #0a0a0a; padding: 6rem 2rem;
  border-top: 1px solid #00ff4120;
}
.section-title {
  font-family: var(--display); text-align: center; margin-bottom: 3.5rem;
  position: relative;
}
.section-title h2 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900; letter-spacing: .08em;
}
.section-title .line {
  display: block; width: 60px; height: 3px; margin: .8rem auto 0;
  border-radius: 2px;
}
#skills .section-title h2 { color: var(--green); }
#skills .section-title .line { background: var(--green); box-shadow: var(--green-glow); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem; max-width: 1100px; margin: 0 auto;
}
.skill-card {
  background: #111; border: 1px solid #00ff4120;
  border-radius: 8px; padding: 1.5rem;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--green-dim);
  box-shadow: 0 8px 30px #00ff4120;
}
.skill-card-header {
  display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem;
}
.skill-icon {
  width: 42px; height: 42px; border-radius: 8px;
  background: #00ff4115; border: 1px solid #00ff4130;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--green);
}
.skill-card h3 { font-family: var(--display); font-size: .95rem; color: var(--green); letter-spacing: .05em; }

/* ══════════════════════════════════════════════════════
   PORTFOLIO
══════════════════════════════════════════════════════ */
/* ══════════════════════════════════════════════════════
   DESARROLLO WEB
══════════════════════════════════════════════════════ */
#desarrollo-web {
  background: #050505;
  padding: 6rem 2rem;
  border-top: 1px solid #00ff4118;
}
#desarrollo-web .section-title h2 { color: var(--green); }
#desarrollo-web .section-title .line { background: var(--green); box-shadow: var(--green-glow); }

.dev-categories {
  max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; gap: 2.5rem;
}

/* Category container */
.dev-category {
  background: #0c0c0c;
  border: 1px solid #1c1c1c;
  border-radius: 14px;
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color .3s;
}
.dev-category::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  opacity: 0; transition: opacity .3s;
}
.dev-category:hover { border-color: #00ff4128; }
.dev-category:hover::before { opacity: 1; }

/* Category header */
.dev-cat-header {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.4rem;
}
.dev-cat-icon {
  width: 46px; height: 46px; border-radius: 10px; flex-shrink: 0;
  background: #00ff4110; border: 1px solid #00ff4128;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--green);
}
.dev-cat-header h3 {
  font-family: var(--display); font-size: 1rem; color: var(--green);
  letter-spacing: .06em; font-weight: 700;
}
.dev-cat-header p {
  font-family: var(--mono); font-size: .72rem; color: #555;
  letter-spacing: .05em; margin-top: .15rem;
}

/* 3-col card grid */
.dev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 768px) { .dev-grid { grid-template-columns: 1fr; } }

/* Each visible card */
.dev-card {
  background: #111; border: 1px solid #1e1e1e; border-radius: 10px;
  padding: 1.1rem; display: flex; flex-direction: column; gap: .6rem;
  transition: transform .25s, border-color .3s, box-shadow .3s;
}
.dev-card:hover {
  transform: translateY(-5px);
  border-color: #00ff4135;
  box-shadow: 0 8px 25px #00ff4115;
}
.dev-card-icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: #00ff4108; border: 1px solid #00ff4120;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; color: var(--green-dim);
}
.dev-card strong {
  font-family: var(--display); font-size: .8rem; color: #e0e0e0;
  letter-spacing: .04em;
}
.dev-card p {
  font-family: var(--body); font-size: .88rem; color: #777; line-height: 1.5;
}

/* Hidden extra cards */
.dev-extra {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}
@media (max-width: 768px) { .dev-extra { grid-template-columns: 1fr; } }
.dev-extra.visible { display: grid; }

/* Ver más button row */
.dev-actions {
  display: flex; justify-content: center; margin-top: 1.2rem;
}
.btn-ver-mas {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; cursor: pointer;
  padding: .5rem 1.5rem; border-radius: 4px;
  background: transparent; color: var(--green-dim);
  border: 1px solid #00ff4130;
  transition: all .25s; display: flex; align-items: center; gap: .5rem;
}
.btn-ver-mas:hover {
  background: #00ff4110; border-color: var(--green-dim); color: var(--green);
  box-shadow: 0 0 12px #00ff4120;
}
.btn-ver-mas .arrow {
  display: inline-block; transition: transform .3s;
}
.btn-ver-mas.open .arrow { transform: rotate(180deg); }

/* Dev CTA Button */
.dev-cta-wrapper {
  display: flex; justify-content: center; margin-top: 3rem;
  animation: fadeUp .6s ease 0.5s both;
}
.dev-cta-btn {
  font-size: .9rem; padding: .85rem 2.5rem !important;
  background: var(--green) !important; color: #000 !important;
  border: 2px solid var(--green) !important;
  text-shadow: none; box-shadow: 0 0 20px #00ff4160 !important;
}
.dev-cta-btn:hover {
  background: transparent !important; color: var(--green) !important;
  box-shadow: var(--green-glow) !important;
}

#portafolio {
  background: linear-gradient(160deg, #b3d9f5 0%, #cce9f9 40%, #a8d4f0 100%);
  padding: 6rem 2rem;
  position: relative; overflow: hidden;
}
#portafolio::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, #93c5fd30 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, #93c5fd30 40px);
  pointer-events: none;
}
#portafolio .section-title h2 { color: var(--sky-deep); }
#portafolio .section-title .line { background: var(--sky-deep); box-shadow: none; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem; max-width: 1150px; margin: 0 auto;
  position: relative; z-index: 1;
}
.project-card {
  background: #ffffffee; border-radius: 12px;
  overflow: hidden; box-shadow: 0 4px 20px #1e3a5f20;
  transition: transform .35s, box-shadow .35s;
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px #1e3a5f30;
}
.project-thumb {
  height: 180px; background: var(--sky-deep);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.project-thumb img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  display: block;
}
.project-thumb-icon {
  font-size: 3.5rem; color: #ffffff40; z-index: 1;
  mix-blend-mode: difference;
}
.project-thumb-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; background: #00000070;
  transition: opacity .3s;
}
.project-card:hover .project-thumb-overlay { opacity: 1; }
.project-thumb-overlay a {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .1em;
  color: #fff; text-decoration: none; text-transform: uppercase;
  border: 1px solid #fff; padding: .5rem 1.2rem; border-radius: 3px;
  transition: background .2s;
}
.project-thumb-overlay a:hover { background: #ffffff30; }
.project-body { padding: 1.3rem; }
.project-type {
  font-family: var(--mono); font-size: .65rem; letter-spacing: .2em;
  text-transform: uppercase; color: #1e3a5f; background: #93c5fd50;
  border-radius: 2px; padding: .2rem .6rem; display: inline-block;
  margin-bottom: .6rem;
}
.project-title {
  font-family: var(--display); font-size: 1.05rem; color: var(--sky-deep);
  font-weight: 700; margin-bottom: .5rem; letter-spacing: .02em;
}
.project-desc {
  font-family: var(--body); font-size: .95rem; color: #334;
  line-height: 1.55;
}
.project-stack { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .9rem; }
.stack-tag {
  font-family: var(--mono); font-size: .65rem; background: #1e3a5f;
  color: #cce9f9; border-radius: 3px; padding: .2rem .55rem;
}
/* thumb color variants */
.thumb-v1 { background: linear-gradient(135deg, #0f2027, #203a43, #2c5364); }
.thumb-v2 { background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); }
.thumb-v3 { background: linear-gradient(135deg, #1e3a5f, #2e86ab, #1e3a5f); }
.thumb-v4 { background: linear-gradient(135deg, #0a3622, #1a5c3a, #0f4c2a); }
.thumb-v5 { background: linear-gradient(135deg, #3d0c02, #6b1a0d, #3d0c02); }
.thumb-v6 { background: linear-gradient(135deg, #2d0057, #4a0080, #2d0057); }

/* ══════════════════════════════════════════════════════
   CONTACTO
══════════════════════════════════════════════════════ */
#contacto {
  background: #050505; padding: 6rem 2rem;
  border-top: 1px solid #00ff4115;
}
#contacto .section-title h2 { color: var(--green); }
#contacto .section-title .line { background: var(--green); box-shadow: var(--green-glow); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.2rem; max-width: 900px; margin: 0 auto;
}
.contact-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .75rem; padding: 1.6rem 1rem; border-radius: 10px;
  text-decoration: none; background: #0e0e0e;
  border: 1px solid #1a1a1a; position: relative; overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.contact-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  transition: opacity .3s;
}
.contact-card:hover { transform: translateY(-6px); }

/* Per-platform color theming */
.cc-whatsapp { --c: #25d366; }
.cc-instagram { --c: #e1306c; }
.cc-tiktok    { --c: #ff0050; }
.cc-facebook  { --c: #1877f2; }
.cc-gmail     { --c: #ea4335; }
.cc-github    { --c: #e0e0e0; }
.cc-linkedin  { --c: #0a66c2; }

.contact-card:hover { border-color: var(--c); box-shadow: 0 8px 30px color-mix(in srgb, var(--c) 25%, transparent); }
.contact-card::before { background: radial-gradient(circle at center, color-mix(in srgb, var(--c) 12%, transparent), transparent 70%); }
.contact-card:hover::before { opacity: 1; }

.contact-card i {
  font-size: 2rem; color: var(--c); position: relative; z-index: 1;
  transition: transform .3s;
}
.contact-card:hover i { transform: scale(1.15); }
.contact-card span {
  font-family: var(--mono); font-size: .75rem; color: #777;
  letter-spacing: .08em; text-transform: uppercase;
  position: relative; z-index: 1;
}
.contact-card:hover span { color: #aaa; }

/* ══════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════ */
footer {
  background: #000; border-top: 1px solid #0a0a0a;
  padding: 1.5rem 2rem; text-align: center;
}
footer p {
  font-family: var(--mono); font-size: .7rem;
  color: #333; letter-spacing: .15em;
}
footer span { color: var(--green); }

/* ══════════════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════════════ */
@keyframes glitchIn {
  0%   { opacity: 0; transform: skewX(-8deg) scale(.95); filter: blur(4px); }
  60%  { opacity: 1; transform: skewX(2deg) scale(1.01); filter: blur(0); }
  100% { transform: skewX(0) scale(1); }
}
@keyframes typeIn {
  from { width: 0; }
  to   { width: 100%; }
}
@keyframes badgeFade {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}
@keyframes blink {
  0%, 100% { border-color: var(--green); }
  50%       { border-color: transparent; }
}

/* Scroll-reveal utility */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Stagger delays */
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }
.reveal-d4 { transition-delay: .4s; }
.reveal-d5 { transition-delay: .5s; }
.reveal-d6 { transition-delay: .6s; }

.hero-subtitle { animation: typeIn 2s steps(28) 1.2s both, blink .7s step-end 3.2s 6; }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: .75rem 1.2rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-subtitle { font-size: clamp(.8rem, 3.5vw, 1.1rem); }
  .skills-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 400px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}