@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ── Variables ── */
:root {
  --color-primary:      #0D1B2A;
  --color-primary-mid:  #1B3A5C;
  --color-accent:       #B8952A;
  --color-accent-light: #D4AF57;
  --color-surface:      #F7F5F0;
  --color-surface-alt:  #EDEAE3;
  --color-text:         #1A1A2E;
  --color-text-muted:   #5A6070;
  --color-border:       #D8D4C8;
  --color-white:        #FFFFFF;

  --font-heading: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container-max:     1200px;
  --container-padding: 1.5rem;
  --section-padding:   5rem;
  --radius:            8px;
  --radius-lg:         16px;
  --shadow-sm:         0 2px 8px rgba(13, 27, 42, 0.08);
  --shadow-md:         0 8px 24px rgba(13, 27, 42, 0.12);
  --shadow-lg:         0 16px 48px rgba(13, 27, 42, 0.16);
  --transition:        0.25s ease;
}

/* ── Reset y base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-surface);
}

img, svg {
  display: block;
  max-width: 150px;
}

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

ul {
  list-style: none;
}

/* ── Utilidades ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-eyebrow--accent {
  color: var(--color-accent-light);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title--light {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.btn-full {
  width: 100%;
}

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  transition: background-color 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}

#navbar.scrolled {
  background-color: var(--color-primary);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.25rem var(--container-padding);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav-logo img {
  width: auto;
}

.footer-brand .nav-logo img {
  height: 150px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color var(--transition), background-color var(--transition);
}

.nav-links a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-cta {
  flex-shrink: 0;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  margin-left: auto;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#navbar.nav-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

#navbar.nav-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

#navbar.nav-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.03) 0px,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 28px
  );
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 6rem;
  padding-bottom: 5rem;
  max-width: 760px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

#hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-divider {
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 1.5rem;
  transform-origin: left center;
  transform: scaleX(0);
  animation: expandLine 0.8s ease forwards;
  animation-delay: 0.4s;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ── Servicios ── */
#servicios {
  padding: var(--section-padding) 0;
  background-color: var(--color-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.625rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Diferenciadores ── */
#diferenciadores {
  padding: var(--section-padding) 0;
  background-color: var(--color-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3.5rem;
}

.stat-item {
  background-color: var(--color-primary);
  padding: 2rem 1.5rem;
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.625rem;
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.4;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.diff-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
}

.diff-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(184, 149, 42, 0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.diff-icon svg {
  width: 24px;
  height: 24px;
}

.diff-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.625rem;
}

.diff-card p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.65;
}

/* ── Equipo ── */
#equipo {
  padding: var(--section-padding) 0;
  background-color: var(--color-surface-alt);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.team-grid--single {
  grid-template-columns: 380px;
  justify-content: center;
}

.team-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.avatar--navy {
  background-color: var(--color-primary);
}

.avatar--gold {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.team-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.team-specialty {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.team-linkedin {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-surface-alt);
  border-radius: 50%;
  color: var(--color-primary-mid);
  transition: background-color var(--transition), color var(--transition);
  margin-top: auto;
}

.team-linkedin:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.team-linkedin svg {
  width: 16px;
  height: 16px;
}

/* ── Contacto ── */
#contacto {
  padding: var(--section-padding) 0;
  background-color: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}

.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: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6070' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 149, 42, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  color: #15803d;
  font-size: 0.9375rem;
}

.form-success svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: #16a34a;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding: 2.5rem 2rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-icon svg {
  width: 18px;
  height: 18px;
}

.contact-item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.contact-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── Footer ── */
#footer {
  background-color: var(--color-primary);
  border-top: 3px solid var(--color-accent);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  padding-top: 3.5rem;
  padding-bottom: 3rem;
}

.footer-brand .nav-logo {
  font-size: 1.25rem;
  margin-bottom: 0.875rem;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.footer-links h4,
.footer-legal h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-links ul,
.footer-legal ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
}

.footer-links a,
.footer-legal a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 1.25rem var(--container-padding);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ── Media queries ── */
@media (max-width: 1024px) {
  :root {
    --section-padding: 4rem;
  }

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

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

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

  .contact-info {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.25rem;
  }

  .contact-item {
    flex: 1 1 200px;
  }

  .footer-inner {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem;
    --container-padding: 1.25rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }

  #navbar.nav-open .nav-links {
    max-height: 320px;
  }

  .nav-links li a {
    display: block;
    padding: 0.875rem 1.5rem;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-inner {
    position: relative;
    flex-wrap: wrap;
  }

  .services-grid,
  .diff-grid {
    grid-template-columns: 1fr;
  }

  .team-grid,
  .team-grid--single {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }

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

  .contact-info {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 2.5rem;
    --container-padding: 1rem;
  }

  #hero h1 {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

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

/* ── Keyframes ── */
@keyframes expandLine {
  to {
    transform: scaleX(1);
  }
}