/* ============ VARIABLES ============ */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f4ff;
  --text: #1e293b;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --accent-soft-2: rgba(37, 99, 235, 0.05);
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1120px;
  --nav-height: 72px;
  --section-pad: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ============ UTILITIES ============ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.accent {
  color: var(--accent);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section__title--left {
  text-align: left;
}

.section__subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn--full {
  width: 100%;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.nav--scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

.nav__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.nav__logo-img {
  width: 44px;
  height: 44px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text);
}

.nav__link--cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.2s;
}

.nav__link--cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* NAV TOGGLE (mobile) */
.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: all 0.3s ease;
}

.nav__toggle--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============ HERO ============ */
.hero {
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 64px) 0 48px;
  background: linear-gradient(170deg, var(--bg) 40%, var(--accent-soft-2) 100%);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 40px;
}

.hero__content {
  display: flex;
  flex-direction: column;
}

.hero__tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--text);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero__ecosystem {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-soft), var(--bg));
}

.hero__ecosystem svg {
  width: 120px;
  height: 60px;
  color: var(--accent);
}

.hero__ecosystem svg path,
.hero__ecosystem svg circle {
  stroke: currentColor;
  stroke-width: 2;
}

.hero__ecosystem svg circle {
  fill: var(--bg);
  animation: pulse-node 2.8s ease-in-out infinite;
}

.hero__ecosystem span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

@keyframes pulse-node {

  0%,
  100% {
    opacity: 0.8;
  }

  50% {
    opacity: 1;
  }
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== HERO MASCOT ===== */
.hero__mascot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero__mascot-wrapper {
  position: relative;
  animation: mascot-float 4s ease-in-out infinite;
}

.hero__mascot-img {
  width: 320px;
  height: 320px;
  filter: drop-shadow(0 20px 40px rgba(37, 99, 235, 0.12));
  transition: transform 0.4s ease;
}

.hero__mascot-wrapper:hover .hero__mascot-img {
  transform: scale(1.04) rotate(-2deg);
}

@keyframes mascot-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

.hero__stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
}

.hero__stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============ SERVICIOS ============ */
.servicios {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
}

.servicios__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.servicio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.servicio-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.10);
}

.servicio-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.servicio-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.servicio-card__for {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.servicio-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 14px;
  line-height: 1.6;
}

.servicio-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.servicio-card__tools li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 9px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 4px;
}

/* ============ PORTFOLIO ============ */
.portfolio {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.caso-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.caso-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.08);
}

.caso-card__metric {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.caso-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.caso-card__client {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.caso-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.caso-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.caso-card__tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 4px;
}

/* ============ SOBRE MI ============ */
.sobre-mi {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
}

.sobre-mi__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: start;
}

.sobre-mi__role {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.sobre-mi__content p {
  color: var(--text-muted);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.sobre-mi__credenciales {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.credencial {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.credencial__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-sm);
}

.credencial div {
  display: flex;
  flex-direction: column;
}

.credencial strong {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.credencial span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* TOOLS CLOUD */
.sobre-mi__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.sobre-mi__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tool-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: all 0.2s;
}

.tool-badge:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ============ PROCESO ============ */
.proceso {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.proceso__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.paso {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.paso:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.06);
}

.paso__number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.25;
  margin-bottom: 10px;
}

.paso__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.paso__desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ============ CONTACTO ============ */
.contacto {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.contacto__info p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.contacto__canales {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contacto__canal {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.contacto__canal:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.contacto__canal svg {
  flex-shrink: 0;
  color: var(--accent);
}

.contacto__canal strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text);
}

.contacto__canal span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* FORM */
.contacto__form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--bg);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ca3af;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ============ FOOTER ============ */
.footer {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.footer__logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.footer__text {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer__copy {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ============ ANIMATIONS ============ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE — small screens ============ */
@media (max-width: 900px) {

  .servicios__grid,
  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .sobre-mi__grid {
    grid-template-columns: 1fr;
  }

  .contacto__grid {
    grid-template-columns: 1fr;
  }

  .proceso__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    align-items: center;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__mascot-img {
    width: 240px;
    height: 240px;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav__menu--open {
    transform: translateX(0);
  }

  .nav__toggle {
    display: flex;
  }

  .nav__link {
    font-size: 1.1rem;
    color: var(--text);
  }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .hero__content {
    align-items: center;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__mascot-img {
    width: 200px;
    height: 200px;
  }

  .proceso__grid {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: clamp(1.8rem, 7vw, 2.8rem);
  }

  .hero__ecosystem {
    width: 100%;
    justify-content: center;
    border-radius: var(--radius-sm);
    padding: 10px;
  }

  .hero__ecosystem span {
    font-size: 0.72rem;
  }

  .footer__content {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ============ RESPONSIVE — large screens ============ */

/* Large desktop (1440p+) */
@media (min-width: 1440px) {
  :root {
    --max-width: 1280px;
    --section-pad: 80px;
  }

  html {
    font-size: 105%;
  }

  .hero {
    padding: calc(var(--nav-height) + 80px) 0 72px;
  }

  .hero__stats {
    gap: 48px;
  }

  .hero__mascot-img {
    width: 360px;
    height: 360px;
  }
}

/* 2K / QHD (1920+) — base design target */
@media (min-width: 1920px) {
  :root {
    --max-width: 1400px;
    --section-pad: 80px;
  }

  html {
    font-size: 110%;
  }

  .container {
    padding: 0 40px;
  }

  .hero {
    padding: calc(var(--nav-height) + 96px) 0 80px;
  }

  .hero__mascot-img {
    width: 400px;
    height: 400px;
  }

  .servicios__grid,
  .portfolio__grid {
    gap: 28px;
  }

  .proceso__grid {
    gap: 28px;
  }
}

/* UltraWide / 2.5K+ */
@media (min-width: 2560px) {
  :root {
    --max-width: 1800px;
    --section-pad: 96px;
  }

  html {
    font-size: 118%;
  }

  .container {
    padding: 0 48px;
  }

  .hero {
    padding: calc(var(--nav-height) + 120px) 0 96px;
  }

  .hero__subtitle {
    max-width: 700px;
  }

  .servicios__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .proceso__grid {
    gap: 32px;
  }

  .sobre-mi__grid {
    gap: 56px;
  }

  .contacto__grid {
    gap: 56px;
  }

  .nav__menu {
    gap: 40px;
  }
}

/* Super UltraWide (3440+) */
@media (min-width: 3440px) {
  :root {
    --max-width: 2200px;
    --section-pad: 112px;
  }

  html {
    font-size: 130%;
  }

  .container {
    padding: 0 64px;
  }

  .hero {
    padding: calc(var(--nav-height) + 140px) 0 112px;
  }

  .hero__subtitle {
    max-width: 800px;
  }

  .servicios__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
  }

  .portfolio__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
  }

  .sobre-mi__grid {
    gap: 72px;
  }

  .contacto__grid {
    gap: 72px;
  }

  .nav__menu {
    gap: 48px;
  }
}