/* ============================================================
   Ismael Rios Pinacho — Portfolio
   Tema: Ejecutivo moderno · HTML/CSS/JS puro
   ============================================================ */

:root {
  --bg:        #08090d;
  --bg-alt:    #f4f1ea;
  --surface:   #141720;
  --surface-2: #202633;
  --border:    #303746;
  --text:      #f7f4ec;
  --text-dim:  #c4c9d2;
  --text-mut:  #848b98;
  --ink:       #171717;
  --ink-dim:   #5f6670;
  --paper:     #fffaf0;
  --accent:    #d9b86f;
  --accent-2:  #4fc3b7;
  --accent-3:  #8d9cff;
  --accent-glow: rgba(217, 184, 111, 0.26);
  --gradient:  linear-gradient(135deg, #f1d890 0%, #7fe1d8 100%);

  --radius:   8px;
  --radius-sm: 6px;
  --maxw: 1120px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --shadow: 0 24px 70px -34px rgba(0, 0, 0, 0.88);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 10%, rgba(79,195,183,0.16), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(217,184,111,0.16), transparent 26%),
    linear-gradient(rgba(255,255,255,0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.86), transparent 780px);
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: 0; }
img, svg { max-width: 100%; display: block; }

.accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  border: 1px solid transparent; transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary { background: #f2d88f; color: #121015; box-shadow: 0 18px 42px -20px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); background: #ffe7a8; box-shadow: 0 24px 50px -20px var(--accent-glow); }
.btn-ghost { background: rgba(255,255,255,0.03); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: #f5dfaa; background: rgba(201,169,104,0.08); }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 30px; font-size: 1rem; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8, 11, 18, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 8px; background: #f0dfb0; color: #121015;
  font-weight: 800; font-size: 0.9rem; letter-spacing: 0;
}
.brand-name { font-size: 1.02rem; }

.nav-menu { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-menu a { font-size: 0.92rem; color: var(--text-dim); transition: color 0.2s; }
.nav-menu a:hover { color: var(--text); }
.nav-menu .btn-primary { color: #121015; }
.nav-menu .btn-primary:hover { color: #121015; }
.nav-actions { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 8px; padding: 7px 11px;
  font-family: var(--mono); font-size: 0.78rem; font-weight: 500; cursor: pointer;
  transition: all 0.2s;
}
.lang-toggle:hover { color: var(--accent); border-color: var(--accent); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }

/* ===== Hero ===== */
.hero { position: relative; min-height: calc(100vh - 86px); padding: 34px 0 24px; overflow: hidden; display: flex; align-items: center; }
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,184,111,0.34), transparent);
}
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(330px, 0.88fr); gap: 46px; align-items: center; }
.hero-copy { min-width: 0; }
.hero-status {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(201,169,104,0.32);
  padding: 8px 16px; border-radius: 100px; font-size: 0.82rem; color: #d8c89f;
  margin-bottom: 24px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 rgba(120,215,208,0.46); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(120,215,208,0.42); } 70% { box-shadow: 0 0 0 10px rgba(120,215,208,0); } 100% { box-shadow: 0 0 0 0 rgba(120,215,208,0); } }

.hero-title { font-size: clamp(2.65rem, 5.45vw, 4.65rem); line-height: 1; font-weight: 800; margin-bottom: 22px; max-width: 740px; }
.hero-title span { display: block; }
.hero-role { display: none; }
.hero-tagline { max-width: 650px; margin: 0 0 28px; color: var(--text-dim); font-size: 1.08rem; }
.hero-tagline strong { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-meta { color: var(--text-mut); font-size: 0.9rem; display: flex; gap: 7px; align-items: center; }

.hero-visual {
  position: relative;
  min-height: 340px;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 34px -18px -18px 34px;
  border: 1px solid rgba(255,255,255,0.09);
  background: rgba(255,255,255,0.025);
  transform: rotate(2deg);
}
.browser-shell {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.025));
  box-shadow: 0 42px 120px -54px rgba(0,0,0,0.95);
}
.browser-bar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
}
.browser-bar span:nth-child(1) { background: #f2d88f; }
.browser-bar span:nth-child(2) { background: #4fc3b7; }
.browser-bar span:nth-child(3) { background: #8d9cff; }
.system-preview {
  display: grid;
  grid-template-columns: 88px 1fr;
  min-height: 286px;
}
.preview-sidebar {
  padding: 22px 18px;
  border-right: 1px solid rgba(255,255,255,0.08);
  display: grid;
  align-content: start;
  gap: 16px;
}
.preview-sidebar span {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
}
.preview-sidebar span:first-child {
  height: 34px;
  border-radius: 8px;
  background: var(--gradient);
}
.preview-main {
  padding: 24px;
  display: grid;
  gap: 18px;
}
.preview-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.preview-kpis span,
.preview-list span {
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.07);
}
.preview-kpis span { height: 58px; }
.preview-chart {
  min-height: 116px;
  display: flex;
  align-items: end;
  gap: 14px;
  padding: 20px;
  border-radius: 8px;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.08);
}
.preview-chart span {
  flex: 1;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, rgba(127,225,216,0.9), rgba(217,184,111,0.45));
}
.preview-chart span:nth-child(1) { height: 40%; }
.preview-chart span:nth-child(2) { height: 72%; }
.preview-chart span:nth-child(3) { height: 52%; }
.preview-chart span:nth-child(4) { height: 88%; }
.preview-chart span:nth-child(5) { height: 62%; }
.preview-list {
  display: grid;
  gap: 10px;
}
.preview-list span { height: 18px; }
.hero-proof {
  position: absolute;
  right: 22px;
  bottom: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 360px;
}
.hero-proof span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #171717;
  background: #fff4c8;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 999px;
  padding: 7px 10px;
}

/* ===== Sections ===== */
.section { padding: 104px 0; }
.section-alt { background: var(--bg-alt); color: var(--ink); }
.section-alt .eyebrow { color: #8e6f24; }
.section-alt .section-sub,
.section-alt .about-text p,
.section-alt .process-copy p { color: var(--ink-dim); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head-wide { max-width: 820px; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 0.8rem; font-weight: 500;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.section-sub { color: var(--text-dim); margin-top: 16px; font-size: 1.02rem; }
/* ===== Cards (value) ===== */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.022));
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius); padding: 32px 26px; transition: all 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(201,169,104,0.55); box-shadow: var(--shadow); }
.card-icon { font-family: var(--mono); font-size: 0.78rem; color: var(--accent); margin-bottom: 24px; }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 0.95rem; }

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 56px;
  align-items: start;
}
.process-copy {
  position: sticky;
  top: 110px;
}
.process-copy h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin-bottom: 20px; }
.process-list {
  list-style: none;
  display: grid;
  gap: 14px;
}
.process-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 6px 18px;
  background: rgba(255,255,255,0.68);
  border: 1px solid rgba(23,23,23,0.08);
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 22px 60px -45px rgba(0,0,0,0.45);
}
.process-list span {
  grid-row: span 2;
  font-family: var(--mono);
  color: #9a7929;
}
.process-list strong { font-size: 1.08rem; }
.process-list p { color: var(--ink-dim); }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 22px; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat {
  background: rgba(255,255,255,0.035); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 22px; text-align: center;
}
.stat-num { display: block; font-size: 2.2rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { display: block; color: var(--text-mut); font-size: 0.85rem; margin-top: 6px; }

/* ===== Skills ===== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.section-alt .skill-group { background: rgba(255,255,255,0.68); border-color: rgba(23,23,23,0.08); }
.skill-group { background: rgba(255,255,255,0.035); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.skill-group h3 { font-size: 1.05rem; margin-bottom: 18px; color: inherit; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 9px; }
.tags li {
  font-size: 0.84rem; color: var(--text-dim); font-family: var(--mono);
  background: var(--surface-2); border: 1px solid rgba(255,255,255,0.08);
  padding: 6px 12px; border-radius: 7px;
}

/* ===== Certifications ===== */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.cert {
  position: relative; background: rgba(255,255,255,0.035); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 22px; transition: all 0.25s;
  overflow: hidden;
}
.cert::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--gradient); }
.cert:hover { border-color: var(--accent); transform: translateY(-3px); }
.cert-tag {
  display: inline-block; font-family: var(--mono); font-size: 0.7rem; font-weight: 600;
  color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.08em;
  background: rgba(56,225,196,0.08); border: 1px solid rgba(56,225,196,0.2);
  padding: 4px 10px; border-radius: 6px; margin-bottom: 14px;
}
.cert h3 { font-size: 1rem; line-height: 1.35; margin-bottom: 8px; }
.cert-date { color: var(--text-mut); font-size: 0.82rem; font-family: var(--mono); }

/* ===== Outcomes ===== */
.outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.outcomes article {
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(23,23,23,0.08);
  border-radius: 8px;
  padding: 30px;
}
.outcomes span {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #8e6f24;
  margin-bottom: 18px;
}
.outcomes h3 { font-size: 1.25rem; margin-bottom: 12px; }
.outcomes p { color: var(--ink-dim); }

/* ===== Contact CTA ===== */
.section-cta { text-align: center; background: radial-gradient(circle at 50% 0%, rgba(127,225,216,0.16), transparent 34%), #090a0e; position: relative; overflow: hidden; }
.cta-inner { position: relative; max-width: 760px; }
.cta-inner h2 { font-size: clamp(2rem, 5vw, 3rem); margin: 8px 0 16px; }
.cta-inner > p { color: var(--text-dim); margin-bottom: 32px; font-size: 1.08rem; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-inner p { color: var(--text-mut); font-size: 0.88rem; }
.footer-top { color: var(--text-dim); font-size: 0.88rem; transition: color 0.2s; }
.footer-top:hover { color: var(--accent); }

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero { min-height: auto; padding: 52px 0 58px; }
  .hero-inner { grid-template-columns: 1fr; gap: 38px; text-align: center; }
  .hero-title { margin-left: auto; margin-right: auto; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-meta { justify-content: center; }
  .hero-visual { min-height: 360px; max-width: 560px; width: 100%; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; gap: 34px; }
  .process-copy { position: static; }
  .outcomes { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: 70px 0 auto 0; flex-direction: column;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
    padding: 24px; gap: 20px; align-items: flex-start;
    transform: translateY(-130%); transition: transform 0.3s ease; visibility: hidden;
  }
  .nav-menu.open { transform: translateY(0); visibility: visible; }
  .nav-actions { width: 100%; justify-content: space-between; padding-top: 8px; border-top: 1px solid var(--border); }
}
@media (max-width: 480px) {
  .section { padding: 70px 0; }
  .hero { padding: 40px 0 48px; }
  .hero-title { font-size: clamp(2.3rem, 14vw, 3.7rem); }
  .hero-visual { min-height: 300px; }
  .system-preview { grid-template-columns: 56px 1fr; min-height: 250px; }
  .preview-main { padding: 16px; }
  .preview-kpis { grid-template-columns: 1fr; }
  .preview-kpis span { height: 38px; }
  .preview-chart { min-height: 96px; gap: 8px; padding: 14px; }
  .hero-proof { position: static; margin-top: 14px; justify-content: center; }
  .cards { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .btn { width: 100%; justify-content: center; white-space: normal; text-align: center; }
  .nav-actions .btn { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Focus visibility (a11y) */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }