/* ============================================================
   KybernIA — Main Stylesheet
   Design System: Dark Mode First, 8px grid, Inter typography
   Colors: #0db9f2 (cyan), #101e22 (dark navy)
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --color-primary: #0db9f2;
  --color-primary-dark: #0a9fd4;
  --color-primary-glow: rgba(13, 185, 242, 0.15);
  --color-primary-border: rgba(13, 185, 242, 0.2);

  --color-bg: #101e22;
  --color-bg-secondary: #0d1a1e;
  --color-bg-card: #152226;
  --color-bg-card-hover: #1a2a2f;
  --color-bg-glass: rgba(21, 34, 38, 0.7);

  --color-text-primary: #f0f8ff;
  --color-text-secondary: #8ba5ad;
  --color-text-muted: #5a7a85;

  --color-border: rgba(13, 185, 242, 0.12);
  --color-border-soft: rgba(255, 255, 255, 0.06);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing (8px grid) */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 2.5rem;   /* 40px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  --space-10: 5rem;    /* 80px */
  --space-12: 6rem;    /* 96px */
  --space-16: 8rem;    /* 128px */

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 32px;

  /* Shadows */
  --shadow-primary: 0 0 30px rgba(13, 185, 242, 0.2);
  --shadow-primary-strong: 0 0 60px rgba(13, 185, 242, 0.3);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Max width */
  --max-width: 1200px;
  --max-width-text: 720px;
}

/* ── Reset & 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-family);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  outline: none;
}

ul {
  list-style: none;
}

/* ── Skip Link (Accessibility) ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.875rem;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-2);
}

/* ── Layout Container ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ── Section Spacing ── */
section {
  scroll-margin-top: 80px;
}

/* ── Typography Scale ── */
.text-xs      { font-size: 0.75rem; }
.text-sm      { font-size: 0.875rem; }
.text-base    { font-size: 1rem; }
.text-lg      { font-size: 1.125rem; }
.text-xl      { font-size: 1.25rem; }
.text-2xl     { font-size: 1.5rem; }
.text-3xl     { font-size: 1.875rem; }
.text-4xl     { font-size: 2.25rem; }
.text-5xl     { font-size: 3rem; }
.text-6xl     { font-size: 3.75rem; }

/* ── Section Label ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: var(--space-3);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(13, 185, 242, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(13, 185, 242, 0.45);
}

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

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

.btn-outline:hover {
  background: var(--color-primary-glow);
  transform: translateY(-2px);
}

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

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* ── ============================================================
   HEADER / NAVIGATION
   ============================================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 76px;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-slow), border-color var(--transition-slow), backdrop-filter var(--transition-slow);
}

#header.scrolled {
  background: rgba(16, 30, 34, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-logo-img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 0 12px rgba(13, 185, 242, 0.35));
  transition: filter var(--transition-base);
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 20px rgba(13, 185, 242, 0.6));
}

.nav-brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.nav-brand-text span {
  color: var(--color-primary);
}

/* Desktop Nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Nav CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 26, 30, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav-mobile a:hover {
  color: var(--color-primary);
}

/* ── ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 76px;
  overflow: hidden;
}

/* Background effects */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 185, 242, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 185, 242, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-bg-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(13, 185, 242, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-bg-glow-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(13, 185, 242, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-16) var(--space-3) var(--space-12);
}

/* Hero Left */
.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: var(--space-4);
}

.hero-tag svg {
  width: 14px;
  height: 14px;
}

.hero-h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.hero-h1 .highlight {
  color: var(--color-primary);
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-soft);
  width: 100%;
}

.hero-trust-dots {
  display: flex;
  align-items: center;
}

.hero-trust-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-bg);
  margin-right: -10px;
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.hero-trust-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-left: 20px;
}

.hero-trust-text strong {
  color: var(--color-text-secondary);
}

/* Hero Right - Glass Card */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glass-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-primary), 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}

.hero-glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(13, 185, 242, 0.4), transparent);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.hero-card-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  border-radius: 999px;
  padding: 3px 10px;
}

.hero-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hero-pillar-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), background var(--transition-base);
}

.hero-pillar-item:hover {
  border-color: var(--color-primary-border);
  background: var(--color-primary-glow);
}

.hero-pillar-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.hero-pillar-icon svg {
  width: 20px;
  height: 20px;
}

.hero-pillar-content h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.hero-pillar-content p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.hero-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-soft);
}

.hero-stat {
  text-align: center;
  padding: var(--space-2);
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
}

.hero-stat-number {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ── ============================================================
   VALUE PROPOSITION SECTION
   ============================================================ */
#propuesta {
  position: relative;
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
  overflow: hidden;
}

#propuesta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.value-prop-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.value-prop-left {}

.value-prop-right {}

.value-prop-quote {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}

.value-prop-quote::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: var(--space-3);
  font-size: 5rem;
  color: var(--color-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.value-prop-quote p {
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text-primary);
}

.value-prop-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* Value highlight cards */
.value-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.value-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.value-highlight-item:hover {
  border-color: var(--color-primary-border);
  transform: translateX(4px);
}

.value-highlight-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-top: 2px;
}

.value-highlight-icon svg {
  width: 22px;
  height: 22px;
}

.value-highlight-item h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.value-highlight-item p {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* ── ============================================================
   CORE EXPERTISE — 3 PILARES
   ============================================================ */
#pilares {
  padding: var(--space-8) 0 var(--space-16);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: var(--max-width-text);
  margin: 0 auto var(--space-8);
}

.section-header h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.section-header p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ── Pilares Intro: Logo + Heading side by side ── */
.pilares-intro {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-soft);
}

.pilares-intro-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pilares-intro-logo::after {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, rgba(13, 185, 242, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.pilares-logo-img {
  width: 320px;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  filter:
    drop-shadow(0 0 24px rgba(13, 185, 242, 0.4))
    drop-shadow(0 0 60px rgba(13, 185, 242, 0.15));
  position: relative;
  z-index: 1;
  animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
  0%, 100% { filter: drop-shadow(0 0 24px rgba(13, 185, 242, 0.3)) drop-shadow(0 0 60px rgba(13, 185, 242, 0.15)); }
  50%       { filter: drop-shadow(0 0 45px rgba(13, 185, 242, 0.95)) drop-shadow(0 0 100px rgba(13, 185, 242, 0.5)); }
}

.pilares-intro-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.pilares-intro-text h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.pilares-intro-text p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 580px;
}

.pilares-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.pilar-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pilar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pilar-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-primary);
  transform: translateY(-4px);
}

.pilar-card:hover::before {
  opacity: 1;
}

.pilar-number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  opacity: 0.8;
}

.pilar-card h3 {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.pilar-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-grow: 1;
}

.pilar-item {
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-primary-border);
  transition: border-color var(--transition-fast);
}

.pilar-card:hover .pilar-item {
  border-left-color: rgba(13, 185, 242, 0.4);
}

.pilar-item h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 3px;
}

.pilar-item p {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* ── ============================================================
   SERVICES SECTION
   ============================================================ */
#servicios {
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}

#servicios::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

#servicios::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
}

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

.service-card.featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-primary);
  background: linear-gradient(145deg, var(--color-bg-card), rgba(13, 185, 242, 0.04));
  transform: scale(1.02);
  z-index: 1;
}

.service-card.featured:hover {
  box-shadow: var(--shadow-primary-strong);
  transform: scale(1.02) translateY(-4px);
}

.service-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--color-primary);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: var(--space-3);
  width: fit-content;
}

.service-duration {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.service-card > p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.service-includes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-5);
}

.service-include-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.service-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  margin-top: 1px;
}

.service-card .btn {
  width: 100%;
  margin-top: auto;
}

/* ── ============================================================
   ABOUT SECTION
   ============================================================ */
#antonio {
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(16, 30, 34, 0.8) 100%);
}

.about-image-glow {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(13, 185, 242, 0.2) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.about-image-border {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  pointer-events: none;
}

.about-stats-floating {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 2;
  width: calc(100% - var(--space-4));
}

.about-stat-chip {
  flex: 1;
  background: rgba(16, 30, 34, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-2);
  text-align: center;
}

.about-stat-chip strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 2px;
}

.about-stat-chip span {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* About Right */
.about-content {}

.about-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.about-content h2 em {
  font-style: normal;
  color: var(--color-primary);
}

.about-content > p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.about-differentiators {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
}

.about-diff-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.about-diff-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ── ============================================================
   CONTACT / CTA SECTION
   ============================================================ */
#contacto {
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}

#contacto::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.contact-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 185, 242, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  position: relative;
  z-index: 1;
}

.contact-left h2 {
  font-size: clamp(1.875rem, 3.8vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.contact-left h2 em {
  font-style: normal;
  color: var(--color-primary);
}

.contact-left > p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-direct-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding: 14px 18px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
  text-decoration: none;
}

.contact-direct-item:hover {
  border-color: var(--color-primary-border);
  color: var(--color-text-primary);
}

.contact-direct-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Contact — Form Panel */
.contact-form-panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}

.contact-form-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(13, 185, 242, 0.5), transparent);
}

.form-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.form-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.9rem;
  font-family: var(--font-family);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 185, 242, 0.12);
}

.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='%238ba5ad' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

/* RGPD Checkbox */
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-consent label {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  cursor: pointer;
}

.form-consent label a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-consent label a:hover {
  color: var(--color-primary-dark);
}

/* Form Success */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-6) var(--space-4);
}

.form-success.visible {
  display: block;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-glow);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
  color: var(--color-primary);
}

.form-success h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.form-success p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ── ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-soft);
  padding: var(--space-8) 0 var(--space-5);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-3);
}

.footer-logo img {
  width: 200px;
  height: auto;
}

.footer-logo-text {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

.footer-logo-text span {
  color: var(--color-primary);
}

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 280px;
}

.footer-nav {
  display: flex;
  gap: var(--space-10);
}

.footer-nav-group {}

.footer-nav-group h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-group a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-soft);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-3);
}

.footer-legal a {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

/* Regulation badges */
.reg-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-3);
}

.reg-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  background: rgba(255,255,255,0.02);
  text-transform: uppercase;
}

/* ── ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-primary);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 100;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.scroll-top:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ── ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.25; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.7s ease forwards;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }

/* Intersection observer animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ── ============================================================
   RESPONSIVE — Tablet (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
    padding-top: var(--space-12);
  }

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

  .hero-desc {
    max-width: 100%;
  }

  .hero-right {
    display: none;
  }

  .value-prop-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .pilares-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .pilares-intro {
    grid-template-columns: auto 1fr;
    gap: var(--space-5);
  }

  .pilares-logo-img {
    width: 220px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .service-card.featured {
    transform: none;
  }

  .service-card.featured:hover {
    transform: translateY(-4px);
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about-image-frame {
    aspect-ratio: 3/2;
    max-width: 480px;
    margin: 0 auto;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-top {
    flex-direction: column;
    gap: var(--space-5);
  }

  .footer-nav {
    gap: var(--space-6);
  }
}

/* ── Responsive — Mobile (≤640px) ── */
@media (max-width: 640px) {
  :root {
    --space-16: 5rem;
    --space-12: 4rem;
    --space-10: 3rem;
  }

  .nav-links,
  .nav-cta .btn {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

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

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

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

  .pilares-intro {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }

  .pilares-intro-logo {
    justify-content: center;
  }

  .pilares-logo-img {
    width: 200px;
  }

  .pilares-intro-text {
    align-items: center;
  }

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

  .footer-nav {
    flex-direction: column;
    gap: var(--space-4);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .about-stats-floating {
    flex-direction: row;
  }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}