/* =========================================
   Ian Albores — Portfolio
   css/styles.css
   ========================================= */

:root {
  --bg-base: #18181a;
  --bg-mid: #202022;
  --bg-card: #242426;
  --metal-light: #d0d0d6;
  --metal-mid: #8c8c9a;
  --metal-dark: #4a4a58;
  --metal-shine: #eaeaef;
  --text-primary: #e8e8ee;
  --text-secondary: #8a8a98;
  --text-muted: #52525e;

  --accent-blue:   #4f8ef7;
  --accent-violet: #9b6dff;
  --accent-cyan:   #2dd4bf;
  --accent-green:  #34d399;
  --accent-amber:  #f59e0b;

  --border: rgba(200, 200, 220, 0.07);
  --border-strong: rgba(200, 200, 220, 0.13);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

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

body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 5%  15%, rgba(79,142,247,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 95% 85%, rgba(155,109,255,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(45,212,191,0.03) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 4rem;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(24,24,26,0.82);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s;
}

.nav-logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.nav-links { display: flex; gap: 2.4rem; list-style: none; }

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-secondary); text-decoration: none;
  transition: color 0.3s; position: relative;
}

.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--accent-blue);
  transform: scaleX(0); transition: transform 0.3s;
}

.nav-links a:hover { color: var(--metal-light); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ── LAYOUT ── */
section { position: relative; z-index: 1; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 2.5rem; }

.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-blue);
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.section-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--accent-blue), transparent);
  opacity: 0.3; max-width: 60px;
}

.section-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700;
  color: var(--metal-shine); letter-spacing: -0.03em;
  margin-bottom: 0.6rem; line-height: 1.15;
}

.section-sub {
  font-size: 0.9rem; font-weight: 400;
  color: var(--text-muted); max-width: 500px; line-height: 1.8;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: 0 auto; max-width: 1100px;
}

/* ── BUTTONS ── */
.btn-primary {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.04em; text-decoration: none;
  padding: 0.9rem 2rem; border: none; border-radius: 6px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  transition: all 0.35s cubic-bezier(.4,0,.2,1);
  cursor: pointer; display: inline-block;
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(79,142,247,0.35); }

.btn-ghost {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.04em; text-decoration: none;
  padding: 0.9rem 1.8rem;
  border: 1px solid var(--border-strong); border-radius: 6px;
  color: var(--text-secondary); background: transparent;
  transition: all 0.35s cubic-bezier(.4,0,.2,1);
  display: inline-flex; align-items: center; gap: 0.5rem;
}

.btn-ghost:hover {
  color: var(--metal-light); border-color: var(--accent-blue);
  background: rgba(79,142,247,0.06); transform: translateY(-3px);
}

/* ── HERO ── */
#hero { min-height: 100vh; display: flex; align-items: center; padding-top: 5rem; }

.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center; width: 100%;
}

.hero-tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-green); margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 0.6rem;
}

.hero-tag::before {
  content: ''; display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%,100% { opacity:1; box-shadow: 0 0 8px var(--accent-green); }
  50%      { opacity:.6; box-shadow: 0 0 18px var(--accent-green); }
}

.hero-name {
  font-family: 'Inter', sans-serif;
  font-size: clamp(3.2rem,7vw,5.5rem); font-weight: 800;
  line-height: 1.0; letter-spacing: -0.04em; margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--metal-shine) 30%, var(--accent-blue) 70%, var(--accent-violet) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-title {
  font-size: 1rem; font-weight: 400;
  color: var(--text-secondary); letter-spacing: 0.02em; margin-bottom: 2rem;
}

.hero-title span { color: var(--accent-blue); font-weight: 600; }

.hero-desc {
  font-size: 0.93rem; font-weight: 400;
  color: var(--text-secondary); max-width: 420px;
  line-height: 1.85; margin-bottom: 2.8rem;
}

.hero-ctas { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }

.hero-code-block {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border-strong); border-radius: 10px;
  overflow: hidden; font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem; line-height: 1.9; color: var(--text-muted);
}

.code-topbar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-dot.red    { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green  { background: #28c840; }
.code-filename   { margin-left: auto; font-size: 0.65rem; color: var(--text-muted); letter-spacing: 0.05em; }
.code-body { padding: 1.4rem 1.8rem; }
.code-comment { color: #4a4a68; }
.code-key     { color: var(--accent-violet); }
.code-str     { color: var(--accent-cyan); }
.code-num     { color: var(--accent-amber); }
.code-var     { color: var(--accent-blue); }

/* ── WHATSAPP FLOAT ── */
.whatsapp-float {
  position: fixed; bottom: 1.8rem; right: 1.8rem;
  z-index: 999; width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(.4,0,.2,1), box-shadow 0.3s;
  animation: float-in 0.6s 1s both;
}

.whatsapp-float:hover { transform: scale(1.12) translateY(-3px); box-shadow: 0 10px 32px rgba(37,211,102,0.55); }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

@keyframes float-in {
  from { opacity:0; transform: scale(.5) translateY(20px); }
  to   { opacity:1; transform: scale(1) translateY(0); }
}

/* ── SERVICIOS ── */
#servicios { padding: 8rem 0; }
.services-head { margin-bottom: 4rem; }

.services-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem;
}

.service-card {
  background: var(--bg-card); padding: 2.2rem;
  border: 1px solid var(--border); border-radius: 10px;
  transition: transform 0.4s cubic-bezier(.4,0,.2,1), border-color 0.4s, box-shadow 0.4s;
  position: relative; overflow: hidden;
}

.service-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  opacity: 0; transition: opacity 0.4s;
}

.service-card:nth-child(1)::before { background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet)); }
.service-card:nth-child(2)::before { background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue)); }
.service-card:nth-child(3)::before { background: linear-gradient(90deg, var(--accent-violet), var(--accent-amber)); }
.service-card:nth-child(4)::before { background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan)); }

.service-card:hover { transform: translateY(-7px); border-color: var(--border-strong); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }
.service-card:hover::before { opacity: 1; }

.service-icon { width: 36px; height: 36px; margin-bottom: 1.2rem; opacity: 0.65; transition: opacity 0.3s, transform 0.35s cubic-bezier(.4,0,.2,1); }
.service-card:hover .service-icon { opacity: 1; transform: scale(1.12); }

.service-name { font-family: 'Inter',sans-serif; font-size: 1rem; font-weight: 600; color: var(--metal-light); margin-bottom: 0.6rem; letter-spacing: -0.01em; }
.service-desc { font-size: 0.84rem; color: var(--text-muted); font-weight: 400; line-height: 1.8; }

/* ── SOBRE MÍ con code rain ── */
#sobre { padding: 8rem 0; background: rgba(255,255,255,0.01); }

.about-inner {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 6rem; align-items: stretch;
}

/* Canvas wrap — se estira para igualar la altura del texto */
.about-rain-wrap {
  position: relative;
  width: 100%;
  min-height: 420px;
  border-radius: 10px; overflow: hidden;
  border: 1px solid rgba(45,212,191,0.2);
  box-shadow: 0 0 60px rgba(45,212,191,0.07);
  transition: box-shadow 0.4s;
  cursor: pointer;
}

.about-rain-wrap:hover { box-shadow: 0 0 80px rgba(45,212,191,0.13); }

.about-rain-canvas { display: block; width: 100%; height: 100%; }

.rain-click-hint {
  position: absolute; bottom: 0.9rem; right: 1rem;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.58rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(45,212,191,0.4); pointer-events: none;
  animation: hint-blink 2.5s infinite;
}

@keyframes hint-blink {
  0%,100% { opacity:.4; } 50% { opacity:.9; }
}

/* Stats solapados en la parte baja del canvas */
.about-stat {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(24,24,26,0.88);
  border-top: 1px solid rgba(45,212,191,0.15);
  padding: 1.1rem 1.5rem;
  display: flex; gap: 2rem; z-index: 3;
}

.stat-num {
  font-family: 'Inter', sans-serif;
  font-size: 1.8rem; font-weight: 800; letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}

.stat-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem; font-weight: 500;
  color: var(--text-muted); letter-spacing: 0.08em;
  text-transform: uppercase; margin-top: 0.2rem;
}

.about-text p {
  font-size: 0.92rem; font-weight: 400;
  color: var(--text-secondary); line-height: 1.9; margin-bottom: 1.4rem;
}

.about-text p:first-of-type { font-size: 1rem; font-weight: 500; color: var(--text-primary); }

.about-extra {
  margin-top: 2rem;
  padding: 1.5rem;
  border-left: 2px solid var(--accent-blue);
  background: rgba(79,142,247,0.04);
  border-radius: 0 8px 8px 0;
}

.about-extra-title {
  font-family: 'Inter', sans-serif;
  font-size: 1rem; font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 0.8rem;
}

.about-extra p {
  font-size: 0.88rem; font-weight: 400;
  color: var(--text-secondary); line-height: 1.8;
  margin-bottom: 0.6rem;
}

.about-extra p:last-child { margin-bottom: 0; }

.about-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }

.tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.4rem 0.85rem; border-radius: 4px;
  border: 1px solid var(--border-strong); color: var(--text-muted);
  transition: all 0.3s;
}

.tag:hover { border-color: var(--accent-blue); color: var(--accent-blue); background: rgba(79,142,247,0.06); }

/* ── PROYECTOS ── */
#proyectos { padding: 8rem 0; }
.projects-head { margin-bottom: 4rem; }
.projects-list { display: flex; flex-direction: column; gap: 1rem; }

.project-item {
  background: var(--bg-card); padding: 2rem 2.2rem;
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 2rem;
  border: 1px solid var(--border); border-radius: 10px;
  transition: transform 0.4s cubic-bezier(.4,0,.2,1), border-color 0.4s, box-shadow 0.4s;
  position: relative; overflow: hidden;
}

.project-item::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0; width: 3px;
  border-radius: 2px 0 0 2px;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-violet));
  opacity: 0; transition: opacity 0.4s;
}

.project-item:hover { transform: translateX(6px); border-color: var(--border-strong); box-shadow: 0 10px 36px rgba(0,0,0,0.22); }
.project-item:hover::before { opacity: 1; }

.project-num { font-family: 'Roboto Mono',monospace; font-size: 0.62rem; font-weight: 500; color: var(--accent-blue); letter-spacing: 0.1em; margin-bottom: 0.4rem; }
.project-name { font-family: 'Inter',sans-serif; font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; color: var(--metal-light); margin-bottom: 0.4rem; transition: color 0.3s; }
.project-item:hover .project-name { color: var(--accent-blue); }
.project-desc { font-size: 0.82rem; font-weight: 400; color: var(--text-muted); }

.project-tech { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }

.tech-pill {
  font-family: 'Inter',sans-serif; font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.3rem 0.75rem; border-radius: 4px;
  border: 1px solid var(--border-strong); color: var(--text-muted);
  transition: all 0.3s;
}

.project-item:hover .tech-pill { border-color: rgba(79,142,247,0.3); color: var(--accent-blue); }

/* ── CONTACTO SIMPLE ── */
#contacto { padding: 7rem 0 6rem; }

.contact-simple {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact-simple .section-label { justify-content: center; }
.contact-simple .section-label::after { display: none; }
.contact-simple .section-title { margin-bottom: 0.8rem; }

.contact-tagline {
  font-size: 0.95rem; font-weight: 400;
  color: var(--text-muted); line-height: 1.8;
  margin-bottom: 2.8rem;
}

.contact-btns {
  display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap;
}

.contact-btn {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem; font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 1rem 2.2rem;
  border-radius: 8px;
  border: none;
  transition: all 0.35s cubic-bezier(.4,0,.2,1);
  cursor: pointer;
}

.contact-btn svg { width: 20px; height: 20px; }

/* WhatsApp */
.contact-btn--whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.25);
}

.contact-btn--whatsapp svg { fill: #fff; }

.contact-btn--whatsapp:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37,211,102,0.4);
}

/* LinkedIn */
.contact-btn--linkedin {
  background: linear-gradient(135deg, #0a66c2, #004182);
  color: #fff;
  box-shadow: 0 4px 20px rgba(10,102,194,0.25);
}

.contact-btn--linkedin svg { fill: #fff; }

.contact-btn--linkedin:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10,102,194,0.4);
}

/* ── FOOTER ── */
footer {
  padding: 2rem 4rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  position: relative; z-index: 1;
}

.footer-copy { font-family: 'Inter',sans-serif; font-size: 0.72rem; font-weight: 400; color: var(--text-muted); }

.footer-social { display: flex; gap: 1.5rem; }

.footer-social a {
  font-family: 'Inter',sans-serif; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted); text-decoration: none; transition: color 0.3s;
}

.footer-social a:hover { color: var(--accent-blue); }

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.75s cubic-bezier(.4,0,.2,1), transform 0.75s cubic-bezier(.4,0,.2,1);
}

.fade-up.visible { opacity: 1; transform: none; }

/* El responsive está en css/mobile.css */