/* =============================================================
   René Marchán — portfolio
   Estilo: code / terminal · negro & naranja
   ============================================================= */

:root {
  --bg:        #0a0a0a;
  --bg-2:      #111114;
  --bg-3:      #16161a;
  --line:      #1f1f24;
  --line-2:    #2a2a31;
  --text:      #e8e8ea;
  --muted:     #7a7a85;
  --accent:    #ff6a00;
  --accent-2:  #ff8a3d;
  --accent-soft: rgba(255,106,0,0.12);
  --green:     #4ade80;
  --red:       #ff5f57;
  --yellow:    #febc2e;

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;

  --radius: 10px;
  --radius-lg: 14px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255,106,0,0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(255,106,0,0.06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.accent { color: var(--accent); }
.kw { color: #ffb27a; }
.str { color: #9ee37d; }
.num { color: #f5d76e; }
.small { font-size: 13px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #000; padding: 8px 12px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(10,10,10,0.72);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  letter-spacing: .2px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.logo__icon {
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 6px rgba(255,106,0,0.35));
}
.logo__name { color: var(--text); }
.logo__type { color: var(--accent); display: inline-flex; align-items: baseline; }
.logo__word { display: inline-block; }
.logo__caret {
  display: inline-block;
  margin-left: 2px;
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}
.nav__links {
  display: flex; gap: 22px; align-items: center;
  font-family: var(--mono); font-size: 14px;
}
.nav__links a { color: var(--text); transition: color .15s ease; }
.nav__links a:hover { color: var(--accent); }
.nav__links .btn-link {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 7px 12px;
  border-radius: 8px;
}
.nav__links .btn-link:hover { background: var(--accent); color: #000; }

.nav__toggle {
  display: none;
  background: transparent; border: 1px solid var(--line-2);
  width: 40px; height: 36px; border-radius: 8px;
  cursor: pointer; padding: 0;
}
.nav__toggle span {
  display: block; height: 2px; background: var(--text);
  margin: 5px auto; width: 18px; transition: transform .2s, opacity .2s;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav__toggle { display: inline-block; }
  .nav__links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 16px 24px; gap: 14px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav.is-open .nav__links {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
}

/* ===== HERO ===== */
.hero {
  padding: 64px 0 56px;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,106,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,106,0,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 75%);
  pointer-events: none;
}
.hero__grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 48px; align-items: center;
  position: relative;
}
.hero__pre {
  font-family: var(--mono); font-size: 13px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border: 1px solid var(--line-2);
  border-radius: 999px; background: var(--bg-2);
  color: var(--muted);
  margin: 0 0 18px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot--green { background: var(--green); box-shadow: 0 0 8px var(--green); }

.hero__title {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.1; margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero__role {
  font-family: var(--mono);
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--text);
  font-weight: 500;
}
.caret {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__lead {
  font-size: 17px;
  color: #c9c9cf;
  max-width: 56ch;
  margin: 0 0 28px;
}

.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 18px;
  border-radius: 10px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: transform .12s ease, background .15s ease, color .15s ease, border-color .15s ease;
  border: 1px solid transparent; cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--accent); color: #0a0a0a; font-weight: 700;
  box-shadow: 0 6px 20px -8px rgba(255,106,0,0.7);
}
.btn--primary:hover { background: var(--accent-2); color: #0a0a0a; }
.btn--ghost {
  background: transparent; color: var(--text);
  border-color: var(--line-2);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero__stats {
  list-style: none; padding: 0; margin: 36px 0 0;
  display: flex; gap: 28px; flex-wrap: wrap;
  border-top: 1px dashed var(--line-2); padding-top: 22px;
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong {
  font-family: var(--mono);
  font-size: 22px; color: var(--accent);
}
.hero__stats span { color: var(--muted); font-size: 13px; }

/* ===== TERMINAL / CODE CARD ===== */
.terminal, .card--code {
  background: linear-gradient(180deg, #131318 0%, #0e0e12 100%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 30px 60px -30px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,106,0,0.04);
}
.terminal__bar, .card__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: #0d0d11;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}
.terminal__dot {
  width: 12px; height: 12px; border-radius: 50%;
  display: inline-block;
}
.terminal__dot--red    { background: var(--red); }
.terminal__dot--yellow { background: var(--yellow); }
.terminal__dot--green  { background: var(--green); }
.terminal__title { margin-left: 8px; }

.terminal__body {
  margin: 0; padding: 18px 18px 22px;
  font-family: var(--mono); font-size: 13.5px; line-height: 1.65;
  color: #d8d8de;
  overflow-x: auto;
}

.hero__terminal { position: relative; }
.avatar-wrap {
  position: absolute;
  right: -10px; bottom: -36px;
  width: 150px; height: 150px;
}
.avatar {
  width: 150px; height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: 0 12px 30px -10px rgba(255,106,0,0.5);
  background: #000;
  position: relative; z-index: 2;
}
.avatar__glow {
  position: absolute; inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,106,0,0.4) 0%, transparent 70%);
  z-index: 1;
  filter: blur(10px);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .avatar-wrap { position: static; margin: -40px auto 0; }
}

/* ===== SECTION ===== */
.section { padding: 80px 0; border-top: 1px solid var(--line); }
.section--alt { background: linear-gradient(180deg, transparent, rgba(255,106,0,0.03), transparent); }
.section__title {
  font-family: var(--mono);
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 0 0 8px;
  letter-spacing: -.01em;
}
.section__lead {
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 60ch;
}

/* ===== ABOUT CARD ===== */
.card { border: 1px solid var(--line-2); border-radius: var(--radius-lg); background: var(--bg-2); }
.card__body { padding: 24px 26px; }
.card__body p { margin: 0 0 14px; }
.card__body p:last-child { margin: 0; }
.card__body--mono { font-family: var(--mono); font-size: 14.5px; }
.card__body--mono .mail {
  display: inline-block;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin: 8px 0 14px;
  border-bottom: 1px dashed var(--accent);
  padding-bottom: 2px;
}

/* WhatsApp button */
.btn--whatsapp {
  --wa: #25d366;
  --wa-dark: #128c7e;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--wa);
  color: #062b1d;
  font-weight: 700;
  font-size: 17px;
  padding: 14px 22px;
  border-radius: 12px;
  margin: 14px 0 18px;
  border: 1px solid transparent;
  box-shadow:
    0 12px 28px -12px rgba(37,211,102,0.55),
    inset 0 0 0 1px rgba(255,255,255,0.15);
  transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
}
.btn--whatsapp:hover {
  background: #2bdf72;
  color: #062b1d;
  transform: translateY(-2px);
  box-shadow:
    0 18px 36px -14px rgba(37,211,102,0.7),
    inset 0 0 0 1px rgba(255,255,255,0.2);
}
.btn--whatsapp:active { transform: translateY(0); }
.btn--whatsapp svg {
  flex: 0 0 auto;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.15));
}

/* Email button */
.btn--email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
  padding: 14px 22px;
  border-radius: 12px;
  border: 1px solid var(--accent);
  transition: transform .12s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}
.btn--email:hover {
  background: var(--accent);
  color: #0a0a0a;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -12px rgba(255,106,0,0.55);
}
.btn--email svg { flex: 0 0 auto; }

.contact__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 14px 0 18px;
}
.contact__btns .btn--whatsapp,
.contact__btns .btn--email { margin: 0; }

/* ===== STACK GRID ===== */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.tech {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.tech:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  background: linear-gradient(180deg, var(--bg-2), #15100c);
}
.tech__head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.tech__head h3 {
  margin: 0; font-family: var(--mono); font-size: 18px;
}
.tech__tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(255,106,0,0.3);
  padding: 2px 8px; border-radius: 999px;
  text-transform: lowercase;
}
.tech p { margin: 0; color: #c9c9cf; }

/* ===== PROJECT ===== */
.project {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px; align-items: center;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.project h3 {
  margin: 8px 0 12px;
  font-size: 26px;
}
.badge {
  display: inline-block;
  font-family: var(--mono); font-size: 12px;
  color: var(--green);
  background: rgba(74,222,128,0.1);
  border: 1px solid rgba(74,222,128,0.3);
  padding: 3px 10px; border-radius: 999px;
}
.project__chips {
  list-style: none; padding: 0; margin: 12px 0 18px;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.project__chips li {
  font-family: var(--mono); font-size: 12px;
  padding: 4px 10px; border-radius: 6px;
  background: var(--bg-3); border: 1px solid var(--line-2);
  color: var(--text);
}
@media (max-width: 820px) {
  .project { grid-template-columns: 1fr; }
}

/* ===== LOGOS ===== */
.logos {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}
.logo-card {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  height: 110px;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  transition: border-color .15s ease, transform .15s ease, filter .15s ease;
}
.logo-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.logo-card img {
  max-height: 70px; max-width: 100%;
  object-fit: contain;
  filter: grayscale(0.2);
  transition: filter .2s ease;
}
.logo-card:hover img { filter: grayscale(0); }
.logo-fallback {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 14px; text-align: center;
}

/* ===== CONTACT ===== */
.contact .card { max-width: 760px; margin: 0 auto; }

/* ===== FOOTER ===== */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: #08080a;
}
.footer__inner {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 8px;
  font-family: var(--mono); font-size: 13px;
}
.footer p { margin: 0; }

/* ===== Reduce motion ===== */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}