/* ===================================
   ACM Consulting – Design System & Styles
   =================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Poppins:wght@600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --color-bg-primary: #0B0F14;
  --color-bg-secondary: #111827;
  --color-primary: #00C853;
  --color-primary-dark: #00a344;
  --color-primary-glow: rgba(0, 200, 83, 0.15);
  --color-secondary: #0F3D4C;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #9CA3AF;
  --color-border: #1F2937;
  --color-card-bg: #151c28;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 30px var(--color-primary-glow);

  --max-width: 1200px;
  --transition: 0.25s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

ul, ol {
  list-style: none;
}

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #0B0F14;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: #00e65c;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 200, 83, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #0B0F14;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===================================
   NAVBAR
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
}

/* --- Logo Images --- */
.logo-img {
  width: auto;
  object-fit: contain;
  filter: brightness(1.8) contrast(1.1);
}

.logo-navbar {
  max-height: 40px;
}

.logo-footer {
  max-height: 50px;
  margin-bottom: 8px;
}

.navbar .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  padding-top: 140px;
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 200, 83, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 200, 83, 0.1);
  border: 1px solid rgba(0, 200, 83, 0.2);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.hero-bullets li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.hero-bullets .check-icon {
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-bullets .check-icon svg {
  width: 12px;
  height: 12px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  border: 1px solid var(--color-border);
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at center, rgba(0, 200, 83, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ===================================
   PROBLEM SECTION
   =================================== */
.problem {
  background: var(--color-bg-secondary);
}

.problem .container {
  text-align: center;
}

.problem .section-title {
  margin-bottom: 12px;
}

.problem .section-subtitle {
  margin: 0 auto 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.problem-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-align: left;
  transition: all var(--transition);
}

.problem-card:hover {
  border-color: rgba(0, 200, 83, 0.3);
  transform: translateY(-2px);
}

.problem-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 83, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #00C853;
}

.problem-card p {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  padding-top: 8px;
}

/* ===================================
   PILLARS ECOSYSTEM SECTION
   =================================== */
.pillars .container {
  text-align: center;
}

.pillars .section-subtitle {
  margin: 0 auto 56px;
}

/* --- 3×3 Grid Layout --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto 48px;
}

/* --- Center Hub Cell --- */
.pillars-hub-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pillars-hub-cell::before,
.pillars-hub-cell::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.pillars-hub-cell::before {
  width: 300%;
  height: 1px;
  top: 50%;
  left: -100%;
  background: linear-gradient(90deg, rgba(0,200,83,0) 0%, rgba(0,200,83,0.15) 50%, rgba(0,200,83,0) 100%);
}

.pillars-hub-cell::after {
  width: 1px;
  height: 300%;
  left: 50%;
  top: -100%;
  background: linear-gradient(180deg, rgba(0,200,83,0) 0%, rgba(0,200,83,0.15) 50%, rgba(0,200,83,0) 100%);
}

/* Center Hub */
.pillars-hub {
  position: relative;
  width: 150px;
  height: 150px;
  z-index: 2;
}

.pillars-hub-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #F5A623;
  border-right-color: #F5A623;
  animation: hubSpin 8s linear infinite;
}

@keyframes hubSpin {
  to { transform: rotate(360deg); }
}

.pillars-hub-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(145deg, #0F1A2E, #162035);
  border: 2px solid rgba(0, 200, 83, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text-primary);
  line-height: 1.3;
  box-shadow: 0 0 60px rgba(0, 200, 83, 0.08), inset 0 0 30px rgba(0, 0, 0, 0.4);
}

/* --- Pillar Cards --- */
.pillar-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 20px 24px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pillar-card:hover {
  border-color: rgba(0, 200, 83, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 200, 83, 0.1);
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transform: scaleX(0);
  transition: transform 0.35s ease;
}

.pillar-card:hover::before {
  transform: scaleX(1);
}

/* Pillar icon */
.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: var(--color-primary);
}

.pillar-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text-primary);
}

.pillar-card p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* --- Integrator Bar --- */
.solution-integrator {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

.solution-integrator strong {
  color: var(--color-primary);
}




/* ===================================
   SERVICE SECTION (DIAGNÓSTICO)
   =================================== */
.service {
  background: var(--color-bg-secondary);
}

.service .container {
  display: flex;
  justify-content: center;
}

.service-card {
  background: linear-gradient(135deg, rgba(15, 61, 76, 0.3) 0%, var(--color-bg-primary) 100%);
  border: 1px solid rgba(0, 200, 83, 0.2);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  max-width: 720px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 200, 83, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.service-card .section-title {
  font-size: 1.75rem;
  margin-bottom: 32px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.05rem;
}

.service-list .check {
  width: 24px;
  height: 24px;
  background: rgba(0, 200, 83, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.service-highlight {
  background: rgba(0, 200, 83, 0.08);
  border-left: 3px solid var(--color-primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.service-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.service-price .label {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.service-price .amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ===================================
   DIFFERENTIATOR SECTION
   =================================== */
.differentiator .container {
  text-align: center;
}

.differentiator .section-subtitle {
  margin: 0 auto 56px;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.diff-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: left;
  transition: all var(--transition);
}

.diff-card:hover {
  border-color: rgba(0, 200, 83, 0.3);
  transform: translateY(-2px);
}

.diff-card .diff-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(0, 200, 83, 0.15);
  margin-bottom: 8px;
}

.diff-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.diff-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===================================
   PROCESS SECTION
   =================================== */
.process {
  background: var(--color-bg-secondary);
}

.process .container {
  text-align: center;
}

.process .section-subtitle {
  margin: 0 auto 56px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 16.66%;
  right: 16.66%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-border) 0%, var(--color-primary) 50%, var(--color-border) 100%);
}

.process-step {
  position: relative;
  z-index: 1;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ===================================
   CTA SECTION (FORMULARIO)
   =================================== */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 200, 83, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .container {
  text-align: center;
}

.cta-section .section-title {
  margin-bottom: 8px;
}

.cta-section .section-subtitle {
  margin: 0 auto 48px;
}

.cta-form-wrapper {
  max-width: 580px;
  margin: 0 auto;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

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

.form-group input,
.form-group textarea {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.1);
}

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

.form-submit {
  margin-top: 8px;
}

.form-submit .btn {
  width: 100%;
  justify-content: center;
  padding: 16px 32px;
  font-size: 1.05rem;
}

.form-note {
  margin-top: 16px;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.footer-logo {
  display: flex;
  justify-content: center;
}

.footer-quote {
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-style: italic;
}

.footer-contact {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-contact a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--color-primary);
}

.footer-copy {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  opacity: 0.6;
  margin-top: 12px;
}

/* ===================================
   MOBILE CTA STICKY
   =================================== */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 12px 16px;
  background: rgba(11, 15, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  z-index: 999;
}

.mobile-cta .btn {
  width: 100%;
  justify-content: center;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-bullets {
    align-items: center;
  }

  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  /* Pillars: 2-column on tablets */
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .pillars-hub-cell {
    grid-column: 1 / -1;
    padding: 24px 0;
  }

  .pillars-hub-cell::before,
  .pillars-hub-cell::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero {
    padding-top: 120px;
    padding-bottom: 72px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

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

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

  /* Pillars: single column on mobile */
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .process-steps::before {
    display: none;
  }

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

  .cta-form-wrapper {
    padding: 32px 24px;
  }

  .service-card {
    padding: 40px 28px;
  }

  .mobile-cta {
    display: block;
  }

  /* Add bottom padding so footer is visible above sticky CTA */
  body {
    padding-bottom: 72px;
  }

  .navbar .btn {
    display: none;
  }

  .logo-navbar {
    max-height: 32px;
  }

  .logo-footer {
    max-height: 40px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.65rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }
}