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

:root {
  --bg-deep: #0A0A0A;
  --bg-panel: #111111;
  --bg-elevated: #1a1a1a;

  --border-light: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);

  --accent-blue: #4D8EFF;
  --accent-dark: #2563EB;
  --accent-glow: rgba(77, 142, 255, 0.2);
  --accent-dim: rgba(77, 142, 255, 0.08);

  --text-main: #FFFFFF;
  --text-muted: #A3A3A3;
  --text-dark: #666666;

  --font-body: 'Inter', sans-serif;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-mono: var(--font-heading);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.8, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-blue);
  color: var(--bg-deep);
}

/* ─── TYPOGRAPHY & UTILS ─────────────────────────────────────── */
.accent {
  color: var(--accent-blue);
}

.white-text {
  color: var(--text-main);
}

.text-muted {
  color: var(--text-muted);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent-blue);
  display: block;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 3rem;
}

/* ─── GLASSMORPHISM ──────────────────────────────────────────── */
.glass-panel {
  background: rgba(17, 17, 17, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--accent-blue);
  color: var(--bg-deep);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s var(--ease-out);
  border: 1px solid var(--accent-blue);
  cursor: pointer;
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent-blue);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
  border: 1px solid var(--border-glass);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted);
}

/* ─── CANVAS BG ──────────────────────────────────────────────── */
#canvas-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
}

/* ─── NAVIGATION ─────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}

#nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding-block: 10px;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  display: flex;
  align-items: baseline;
}

.nav-logo .v {
  color: var(--text-main);
}

.nav-logo .dot-ia {
  color: var(--accent-blue);
}

.nav-logo .by-akm {
  font-size: 0.7rem;
  color: var(--text-dark);
  margin-left: 10px;
  letter-spacing: 0.05em;
}

/* ─── HAMBURGER MENU & OVERLAY ──────────────────────────────── */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 200;
  padding: 10px;
}

.menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-main);
  transition: transform 0.3s ease;
  transform-origin: center;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s var(--ease-out);
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: color 0.2s ease, transform 0.3s ease;
  transform: translateY(20px);
  opacity: 0;
}

.nav-overlay.open .nav-links a {
  transform: translateY(0);
  opacity: 1;
}

.nav-overlay.open .nav-links a:nth-child(1) {
  transition-delay: 0.1s;
}

.nav-overlay.open .nav-links a:nth-child(2) {
  transition-delay: 0.15s;
}

.nav-overlay.open .nav-links a:nth-child(3) {
  transition-delay: 0.2s;
}

.nav-overlay.open .nav-links a:nth-child(4) {
  transition-delay: 0.25s;
}

.nav-overlay.open .nav-links a:nth-child(5) {
  transition-delay: 0.3s;
}

.nav-cta-overlay {
  margin-top: 1.5rem;
  color: var(--accent-blue) !important;
  font-family: var(--font-mono) !important;
  text-transform: uppercase;
  font-size: 1.2rem !important;
  letter-spacing: 0.05em !important;
}

.nav-links a:hover {
  color: var(--accent-blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 480px) {
  .nav-actions {
    gap: 1rem;
  }
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
}

.lang-btn {
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.3s ease;
}

.lang-btn:hover {
  color: var(--text-main);
}

.lang-btn.active {
  color: var(--accent-blue);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-blue);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--accent-glow);
  border-radius: 4px;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--accent-dim);
}

/* ─── HERO ───────────────────────────────────────────────────── */
#hero {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 5%;
}

@media (max-width: 768px) {
  #hero {
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 80px;
  }
}

.hero-content {
  max-width: 900px;
  margin-top: 10vh;
}

@media (max-width: 768px) {
  .hero-content {
    margin-top: 0;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .line span {
  display: block;
  transform: translateY(100%);
  animation: slideUp 0.8s var(--ease-out) forwards;
}

.hero-title .line:nth-child(1) span {
  animation-delay: 0.1s;
}

.hero-title .line:nth-child(2) span {
  animation-delay: 0.2s;
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 5%;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.2s forwards;
}

.hero-scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark);
}

.scroll-line {
  width: 40px;
  height: 1px;
  background: var(--text-dark);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-blue);
  transform: translateX(-100%);
  animation: scanLine 2s ease-in-out infinite;
}

/* ─── GLOBALS FOR SECTIONS ───────────────────────────────────── */
section {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-light);
}

.section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 120px 5%;
}

@media (max-width: 768px) {
  .section-inner {
    padding: 80px 5%;
  }
}

/* ─── EL PROBLEMA ────────────────────────────────────────────── */
.layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.stats-box {
  padding: 2.5rem;
  margin-top: 2rem;
  border-left: 2px solid var(--accent-blue);
}

.stat-number {
  font-size: 4rem;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

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

.grid-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-card {
  padding: 2.5rem;
  position: relative;
}

.info-card.dark-panel {
  background: rgba(5, 5, 5, 0.7);
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  color: var(--accent-blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.info-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.info-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-card ul li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
}

.info-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

@media (max-width: 900px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── STATEMENT ──────────────────────────────────────────────── */
#statement {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-panel), var(--bg-deep));
}

.statement-block {
  text-align: center;
  padding: 6rem 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.statement-quote {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2rem;
}

.statement-sub {
  font-family: var(--font-mono);
  color: var(--text-dark);
  letter-spacing: 0.1em;
}

/* ─── SERVICIOS ──────────────────────────────────────────────── */
.services-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.service-row {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 3rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-row:hover {
  transform: translateY(-4px);
  border-color: var(--accent-glow);
}

.service-meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-step {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue);
  color: var(--bg-deep);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 8px;
}

.service-name {
  font-size: 2rem;
}

.service-price {
  font-family: var(--font-mono);
  color: var(--accent-blue);
  font-size: 0.85rem;
  padding: 6px 12px;
  background: var(--accent-dim);
  border-radius: 4px;
  display: inline-block;
  width: max-content;
}

.service-content h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.service-content p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.service-bullets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  list-style: none;
}

.service-bullets li {
  font-size: 0.95rem;
  color: #DDD;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  border: 1px solid var(--border-glass);
}

@media (max-width: 900px) {
  .service-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ─── STACK TECNOLÓGICO ──────────────────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.stack-card {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  transition: background 0.3s ease;
}

.stack-card:hover {
  background: rgba(255, 255, 255, 0.02);
}

.stack-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.stack-header h3 {
  font-size: 1.5rem;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--bg-deep);
  background: var(--text-main);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.stack-card p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ─── POR QUÉ V.IA ───────────────────────────────────────────── */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-radius: 12px;
  overflow: hidden;
}

.diff-item {
  padding: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  border-right: 1px solid var(--border-glass);
}

.diff-item:nth-child(even) {
  border-right: none;
}

.diff-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.diff-icon {
  font-family: var(--font-mono);
  color: var(--accent-blue);
  font-size: 1.2rem;
  font-weight: 700;
}

.diff-text h4 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.diff-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .diff-grid {
    grid-template-columns: 1fr;
  }

  .diff-item {
    border-right: none;
  }

  .diff-item:nth-last-child(2) {
    border-bottom: 1px solid var(--border-glass);
  }
}

/* ─── CONTACTO ───────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  padding: clamp(1.5rem, 4vw, 4rem);
  gap: 4rem;
}

.contact-left h2 {
  margin-bottom: 1rem;
}

.contact-desc {
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-meta a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

.contact-meta a:hover {
  color: var(--accent-blue);
}

.contact-meta a svg {
  color: var(--accent-blue);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-glass);
  padding: 14px 16px;
  border-radius: 6px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent-blue);
  background: rgba(0, 0, 0, 0.8);
}

.field textarea {
  height: 120px;
  resize: vertical;
}

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem;
  gap: 1rem;
  background: var(--accent-dim);
  border-color: var(--accent-glow);
}

.form-success svg {
  color: var(--accent-blue);
}

.form-success.show {
  display: flex;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
  padding: 4rem 5%;
  border-top: 1px solid var(--border-glass);
  background: #050505;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
}

.footer-logo .dot-ia {
  color: var(--accent-blue);
}

.footer-tagline {
  color: var(--text-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dark);
}

@media (max-width: 600px) {
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* ─── FAB WA ─────────────────────────────────────────────────── */
.fab-wa {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 99;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.3);
  transition: all 0.3s var(--ease-out);
}

.fab-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}

/* ─── ANIMATIONS ─────────────────────────────────────────────── */
@keyframes slideUp {
  0% {
    transform: translateY(100%);
  }

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

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scanLine {
  100% {
    transform: translateX(100%);
  }
}

/* Utility class for JS reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}