/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --bg:        #0F0F14;
  --bg-alt:    #16161E;
  --surface:   #1E1E2A;
  --border:    #2A2A3A;

  --violet:    #7B5EA7;
  --violet-lt: #9B7EC8;
  --coral:     #F4845F;
  --coral-lt:  #F9A68A;
  --teal:      #4ECDC4;
  --teal-lt:   #7DE8E2;

  --text:      #F0EEF6;
  --text-muted:#9490A8;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius:    12px;
  --radius-sm: 6px;
  --trans:     0.3s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  transition: background var(--trans), box-shadow var(--trans);
}

.nav.scrolled {
  background: rgba(15, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
}
.nav__logo .dot { color: var(--coral); }

.nav__links {
  display: flex;
  gap: 2.5rem;
}
.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--trans);
  letter-spacing: 0.02em;
}
.nav__links a:hover { color: var(--text); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--trans);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#dotsCanvas {
  width: 100%;
  height: 100%;
  opacity: 0.9;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero__eyebrow {
  font-size: 1rem;
  color: var(--teal);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  min-height: 1.1em;
}

.hero__name .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px) scale(0.6);
  animation: charIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes charIn {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.hero__role {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}
.hero__scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--violet);
  color: #fff;
  border-color: var(--violet);
}
.btn--primary:hover {
  background: var(--violet-lt);
  border-color: var(--violet-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(123, 94, 167, 0.35);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

/* ============================================================
   SECCIONES
   ============================================================ */
.section {
  padding: 6rem 2rem;
}
.section--dark {
  background: var(--bg-alt);
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}
.section__header {
  margin-bottom: 3.5rem;
}
.section__tag {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.accent-violet { color: var(--violet-lt); }
.accent-coral  { color: var(--coral); }
.accent-teal   { color: var(--teal); }

/* ============================================================
   SOBRE MÍ
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about__text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}
.about__text p:last-child { margin-bottom: 0; }
.about__text strong { color: var(--text); font-weight: 600; }

.about__skills-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}
.skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.skill-tag {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid;
  transition: transform var(--trans), box-shadow var(--trans);
  cursor: default;
}
.skill-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.skill-tag--violet {
  background: rgba(123, 94, 167, 0.15);
  color: var(--violet-lt);
  border-color: rgba(123, 94, 167, 0.3);
}
.skill-tag--coral {
  background: rgba(244, 132, 95, 0.15);
  color: var(--coral-lt);
  border-color: rgba(244, 132, 95, 0.3);
}
.skill-tag--teal {
  background: rgba(78, 205, 196, 0.15);
  color: var(--teal-lt);
  border-color: rgba(78, 205, 196, 0.3);
}

/* ============================================================
   PROYECTOS
   ============================================================ */
.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--trans);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--violet);
  color: #fff;
  border-color: var(--violet);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--trans), box-shadow var(--trans), opacity var(--trans);
  cursor: pointer;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.project-card.hidden {
  display: none;
}
.project-card__thumb {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.project-card__body {
  padding: 1.5rem;
}
.project-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.5rem;
}
.project-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.project-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.project-card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.project-card__tag {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.project-card__link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  transition: color var(--trans);
}
.project-card__link:hover {
  color: var(--teal-lt);
}

/* ============================================================
   TIMELINE / EXPERIENCIA
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--violet), var(--coral), var(--teal));
  border-radius: 2px;
}
.timeline__item {
  position: relative;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline__item.visible {
  opacity: 1;
  transform: translateX(0);
}
.timeline__dot {
  position: absolute;
  left: -2.95rem;
  top: 0.25rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--bg);
}
.timeline__period {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.timeline__role {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.timeline__company {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.timeline__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact__wrapper {
  max-width: 680px;
}
.contact__intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form__group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}
.form__group input,
.form__group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}
.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(123, 94, 167, 0.2);
}
.form__group input.error,
.form__group textarea.error {
  border-color: var(--coral);
}
.form__error {
  font-size: 0.78rem;
  color: var(--coral);
  min-height: 1em;
}
.form__success {
  display: none;
  padding: 1rem 1.25rem;
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.3);
  border-radius: var(--radius-sm);
  color: var(--teal-lt);
  font-size: 0.95rem;
}

.contact__links {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--trans);
}
.contact__link:hover { color: var(--text); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.25rem; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .form__row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .section { padding: 4rem 1.25rem; }
  .hero { padding: 6rem 1.25rem 4rem; }
}

/* ============================================================
   MENU MOBILE
   ============================================================ */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 15, 20, 0.97);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
.nav__mobile-menu.open {
  display: flex;
}
.nav__mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  transition: color var(--trans);
}
.nav__mobile-menu a:hover { color: var(--violet-lt); }