/* ============================================
   FERRIONA INDUSTRIES - CORPORATE WEBSITE
   Brand Style Guide Applied
   ============================================ */

/* ---------- FONTS ---------- */
@import url('https://fonts.cdnfonts.com/css/kollektif');
@import url('https://cdn.jsdelivr.net/fontsource/fonts/clear-sans@latest/latin-400-normal.css');
@import url('https://cdn.jsdelivr.net/fontsource/fonts/clear-sans@latest/latin-700-normal.css');
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');
@import url('https://cdn.jsdelivr.net/fontsource/fonts/open-sauce-sans@latest/latin-400-normal.css');
@import url('https://cdn.jsdelivr.net/fontsource/fonts/open-sauce-sans@latest/latin-700-normal.css');

/* ---------- CSS VARIABLES ---------- */
:root {
  /* Brand Colors */
  --blue: #38B6FF;
  --blue-hover: #2E9DDF;
  --blue-light: rgba(56,182,255,0.12);
  --blue-glow: rgba(56,182,255,0.30);
  --black: #000000;
  --gray: #A6A6A6;
  --gray-light: #e0e0e0;
  --white: #FFFFFF;
  --dark: #545454;
  --dark-deeper: #3a3a3a;
  --green: #22c55e;
  --green-light: rgba(34,197,94,0.1);
  --purple: #a855f7;
  --purple-light: rgba(168,85,247,0.1);

  /* Premium Tech Palette */
  --color-primary: #38B6FF;
  --color-dark: #003D60;
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-background: #F7F9FB;
  --color-border: #E5E7EB;

  /* Semantic */
  --primary: #38B6FF;
  --primary-hover: #2E9DDF;
  --accent: #38B6FF;
  --secondary: #545454;
  --bg-light: #F7F9FB;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --text-primary: #000000;
  --text-secondary: #545454;
  --text-muted: #6B7280;
  --border-color: #E5E7EB;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
  --shadow-xl: 0 12px 60px rgba(0,0,0,0.14);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --nav-height: 72px;
  --topbar-height: 40px;

  /* Fonts */
  --font-logo: 'Kollektif', sans-serif;
  --font-h1: 'Kollektif', sans-serif;
  --font-h2: 'Clear Sans', sans-serif;
  --font-h3: 'DM Sans', sans-serif;
  --font-h4: 'Open Sauce Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

/* ---------- DARK MODE ---------- */
body.dark-mode {
  --bg-light: #0a0a0a;
  --bg-white: #111111;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --border-color: #2a2a2a;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-xl: 0 12px 60px rgba(0,0,0,0.6);
}

/* ---------- 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(--bg-light);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol { list-style: none; }

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1, .h1 {
  font-family: var(--font-h1);
  font-size: 3.2rem;
  font-weight: 700;
}

h2, .h2 {
  font-family: var(--font-h2);
  font-size: 2.5rem;
  font-weight: 700;
}

h3, .h3 {
  font-family: var(--font-h3);
  font-size: 1.3rem;
  font-weight: 600;
}

h4, .h4 {
  font-family: var(--font-h4);
  font-size: 1.1rem;
  font-weight: 700;
}

p, li, span, a, input, button, textarea, label {
  font-family: var(--font-body);
}

.section-padding {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  padding: 6px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title h2 {
  margin-bottom: 16px;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- PAGE HERO (Internal Pages) ---------- */
.page-hero {
  background: var(--bg-white);
  padding: 80px 0 50px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
  font-size: 3rem;
  margin-bottom: 16px;
}

.page-hero .highlight {
  color: var(--blue);
}

.page-hero .hero-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- CONTACT SECTION ---------- */
.contact-section {
  background: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
  align-items: start;
}

.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.contact-social {
  display: flex;
  gap: 10px;
}

.contact-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact-social a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form-wrapper h2 {
  font-size: 1.6rem;
  margin-bottom: 24px;
}

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

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}

.form-group textarea {
  resize: vertical;
}

/* ---------- TOPBAR ---------- */
.topbar {
  background: var(--black);
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  padding: 8px 0;
  position: relative;
  z-index: 1001;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-left span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-left i {
  color: var(--blue);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-social {
  display: flex;
  gap: 12px;
}

.topbar-social a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  transition: var(--transition);
}

.topbar-social a:hover {
  color: var(--blue);
}

/* ---------- DARK MODE TOGGLE ---------- */
.dark-mode-toggle {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  font-family: var(--font-body);
  vertical-align: middle;
}

.dark-mode-toggle:hover {
  background: var(--blue-light);
  color: var(--blue);
  border-color: var(--blue);
}

/* ---------- NAVBAR ---------- */
.navbar {
  background: var(--bg-white);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
  border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

body.dark-mode .navbar.scrolled {
  background: rgba(17,17,17,0.95);
  backdrop-filter: blur(20px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--nav-height);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--black);
}

body.dark-mode .navbar-brand {
  color: #fff;
}

.navbar-brand img {
  height: 84px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-menu > li > a:hover {
  color: var(--blue);
}

.nav-menu > li > a.active {
  color: var(--blue);
  font-weight: 700;
}

.nav-menu > li > a i {
  font-size: 0.7rem;
  transition: var(--transition);
}

.nav-menu > li:hover > a i {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

.nav-menu > li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background: var(--blue-light);
  color: var(--blue);
  padding-left: 18px;
}

.dropdown-menu a i {
  color: var(--blue);
  font-size: 0.9rem;
  width: 20px;
  text-align: center;
}

.nav-cta .btn-primary {
  margin-left: 12px;
}

.btn-er1pro {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: #001A2C;
  border: 1px solid rgba(0,61,96,0.12);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 2px 10px rgba(56,182,255,0.22);
}

.btn-er1pro:hover {
  transform: translateY(-2px);
  background: var(--blue-hover);
  box-shadow: 0 5px 18px rgba(56,182,255,0.35);
}

.btn-er1pro-label {
  background: rgba(0,29,51,0.1);
  color: #001A2C;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

/* ---------- HAMBURGER ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1002;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--black);
  border-radius: 4px;
  transition: var(--transition);
}

body.dark-mode .hamburger span {
  background: #fff;
}

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

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

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

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font-body);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 15px var(--blue-glow);
}

.btn-primary:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--blue-glow);
}

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

.btn-outline:hover {
  background: var(--black);
  color: #fff;
  transform: translateY(-2px);
}

body.dark-mode .btn-outline {
  border-color: #fff;
  color: #fff;
}

body.dark-mode .btn-outline:hover {
  background: #fff;
  color: #000;
}

.btn-white {
  background: #fff;
  color: var(--black);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.btn-secondary {
  background: var(--dark);
  color: #fff;
  box-shadow: 0 4px 15px rgba(84,84,84,0.3);
}

.btn-secondary:hover {
  background: var(--dark-deeper);
  transform: translateY(-2px);
}

/* ---------- HERO SECTION ---------- */
.hero {
  background: var(--bg-white);
  padding: 56px 0 88px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -45%;
  right: -14%;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, var(--blue-light) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* Subtle engineering grid backdrop */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,182,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,182,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 70% 30%, #000 40%, transparent 100%);
  pointer-events: none;
}

/* Slow data-flow line under the visual column */
.hero-dataflow {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  bottom: 40px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.08) 30%, rgba(56,182,255,0.08) 70%, transparent);
  pointer-events: none;
}

.hero-dataflow::after {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  filter: blur(1px);
  animation: hero-flow 9s linear infinite;
}

@keyframes hero-flow {
  from { transform: translateX(0); }
  to { transform: translateX(calc(100vw)); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

/* ---------- HERO CAROUSEL ---------- */
.hero-carousel {
  position: relative;
  outline: none;
}

.hero-track {
  display: flex;
  transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.hero-slide {
  flex: 0 0 100%;
  min-width: 0;
}

.hero-slide[aria-hidden="true"] .hero-visual,
.hero-slide[aria-hidden="true"] .hero-content {
  visibility: hidden;
}

.hero-slide-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: 480px;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-light);
  color: var(--color-dark);
  padding: 7px 16px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 22px;
  border: 1px solid rgba(56,182,255,0.22);
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: node-pulse 2.2s ease-in-out infinite;
}

.hero-slide .hero-title,
.hero-slide .hero-title-secondary {
  font-family: var(--font-h1);
  font-size: 3.1rem;
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-slide .highlight {
  color: var(--blue);
  font-style: normal;
}

.hero-text {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.8;
}

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

/* Hero visual column */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  position: relative;
  transition: var(--transition);
}

.hero-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.hero-card h3 {
  margin-bottom: 10px;
}

.hero-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.hero-card-stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.hero-card-stats .stat {
  text-align: center;
}

.hero-card-stats .stat-number {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--blue);
  display: block;
}

.hero-card-stats .stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Dashboard card variant */
.hero-card--dashboard {
  padding: 28px;
  max-width: 540px;
  background: linear-gradient(135deg, #ffffff 0%, #f5faff 100%);
  border-color: rgba(56,182,255,0.25);
}

.hero-card-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.hero-card-label i { margin-right: 6px; }

.hero-card-screenshot {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 12px 40px rgba(0, 61, 96, 0.12);
  margin-bottom: 14px;
}

.hero-card-screenshot img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease;
}

.hero-card-screenshot:hover img {
  transform: scale(1.03);
}

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

.hero-card-caption strong { color: var(--blue); }

/* Neural / AI visual panel (Slide 2) */
.ai-visual {
  position: relative;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 5 / 3.6;
  background: linear-gradient(160deg, var(--color-dark) 0%, #075e96 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(56,182,255,0.25);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,61,96,0.28);
}

.ai-visual .ai-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,182,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,182,255,0.08) 1px, transparent 1px);
  background-size: 34px 34px;
}

.ai-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #7fdcff, var(--blue) 60%, #0b6ea8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.9rem;
  box-shadow: 0 0 40px rgba(56,182,255,0.55), 0 0 80px rgba(56,182,255,0.25);
  animation: core-pulse 3.5s ease-in-out infinite;
  z-index: 2;
}

@keyframes core-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(56,182,255,0.55), 0 0 80px rgba(56,182,255,0.25); }
  50% { box-shadow: 0 0 60px rgba(56,182,255,0.8), 0 0 120px rgba(56,182,255,0.35); }
}

.ai-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue);
  border: 2px solid rgba(255,255,255,0.6);
  box-shadow: 0 0 14px rgba(56,182,255,0.8);
  animation: node-pulse 2.6s ease-in-out infinite;
  z-index: 2;
}

.ai-node.n1 { top: 20%; left: 16%; }
.ai-node.n2 { top: 26%; right: 15%; animation-delay: 0.4s; }
.ai-node.n3 { bottom: 22%; left: 12%; animation-delay: 0.8s; }
.ai-node.n4 { bottom: 18%; right: 14%; animation-delay: 1.2s; }
.ai-node.n5 { top: 46%; right: 5%; animation-delay: 1.6s; }
.ai-node.n6 { top: 52%; left: 4%; animation-delay: 2s; }

@keyframes node-pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.55); opacity: 0.4; }
}

.ai-link {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, rgba(56,182,255,0.15), rgba(56,182,255,0.65));
  transform-origin: left center;
  z-index: 1;
}

/* Connection rays from the core */
.ai-link.l1 { top: 40%; left: 44%; width: 22%; transform: rotate(-28deg); }
.ai-link.l2 { top: 34%; left: 40%; width: 26%; transform: rotate(24deg); }
.ai-link.l3 { top: 56%; left: 44%; width: 20%; transform: rotate(18deg); }
.ai-link.l4 { top: 52%; left: 44%; width: 24%; transform: rotate(-14deg); }

.ai-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(56,182,255,0.7);
  animation: ai-drift 7s ease-in-out infinite;
  z-index: 2;
}

.ai-particle.p1 { top: 14%; left: 22%; animation-delay: 0s; }
.ai-particle.p2 { top: 68%; left: 30%; animation-delay: 1.4s; }
.ai-particle.p3 { top: 30%; right: 24%; animation-delay: 2.6s; }
.ai-particle.p4 { bottom: 12%; right: 34%; animation-delay: 3.8s; }
.ai-particle.p5 { top: 12%; right: 46%; animation-delay: 5s; }

@keyframes ai-drift {
  0%, 100% { transform: translate(0, 0); opacity: 0.2; }
  50% { transform: translate(8px, -14px); opacity: 0.9; }
}

/* Small robotic arm — subtle industrial accent */
.robot-arm {
  position: absolute;
  right: 8%;
  bottom: 6%;
  width: 90px;
  height: 90px;
  z-index: 2;
}

.robot-arm .joint {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #0b2233;
  border: 2px solid var(--blue);
  box-shadow: inset 0 0 6px rgba(56,182,255,0.6);
}

.robot-arm .seg {
  position: absolute;
  height: 3px;
  background: linear-gradient(90deg, #0b2233, var(--blue));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(56,182,255,0.35);
}

.robot-arm .seg-a { top: 70px; left: 6px; width: 40px; transform: rotate(40deg); }
.robot-arm .seg-b { top: 46px; left: 34px; width: 30px; transform: rotate(-30deg); }
.robot-arm .tcp {
  position: absolute;
  top: 26px;
  right: 2px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--blue);
  background: rgba(56,182,255,0.2);
  transform: rotate(45deg);
  animation: node-pulse 3s ease-in-out infinite;
}

.robot-arm .j1 { top: 64px; left: 0; }
.robot-arm .j2 { top: 40px; left: 34px; }

/* Software / architecture visual panel (Slide 3) */
.code-visual {
  position: relative;
  width: 100%;
  max-width: 540px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,61,96,0.16);
}

.code-window {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: #f8fafc;
}

.code-window .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-window .dot.d1 { background: #ef4444; }
.code-window .dot.d2 { background: #f59e0b; }
.code-window .dot.d3 { background: #22c55e; }

.code-window .title {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.code-body {
  padding: 18px 20px 20px;
}

.code-line {
  height: 10px;
  border-radius: 5px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #eef2f5 0%, #dde3e8 100%);
}

.code-line.c-acc {
  background: linear-gradient(90deg, rgba(56,182,255,0.25) 0%, rgba(56,182,255,0.5) 100%);
}

.code-line.w-half { width: 55%; }
.code-line.w-full { width: 100%; }
.code-line.w-70 { width: 70%; }
.code-line.w-40 { width: 40%; }
.code-line.w-85 { width: 85%; }

/* Architecture nodes under the code panel */
.arch-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 18px;
  background: linear-gradient(180deg, #ffffff, #f7f9fb);
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.arch-node i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 1rem;
  transition: var(--transition);
}

.arch-node span {
  font-size: 0.66rem;
  color: var(--text-muted);
  font-weight: 600;
}

.arch-connector {
  flex: 1;
  height: 1px;
  background: rgba(56,182,255,0.35);
  position: relative;
  margin: 0 10px;
}

.arch-connector::after {
  content: '';
  position: absolute;
  top: -2.5px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: hero-flow 2.2s linear infinite;
}

.arch-node:hover i {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 18px rgba(56,182,255,0.25);
}

/* Floating badges */
.floating-badge {
  position: absolute;
  background: var(--bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  animation: float 3s ease-in-out infinite;
  z-index: 3;
}

.floating-badge i {
  font-size: 1.1rem;
  color: var(--blue);
}

.floating-badge-1 {
  top: -14px;
  right: -14px;
  animation-delay: 0s;
}

.floating-badge-2 {
  bottom: -12px;
  left: -18px;
  animation-delay: 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Carousel navigation */
.hero-arrow {
  position: absolute;
  top: auto;
  bottom: -44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-dark);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  z-index: 5;
}

.hero-arrow:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 6px 18px var(--blue-glow);
}

.hero-arrow-prev { left: 50%; transform: translateX(calc(-50% - 70px)); }
.hero-arrow-next { left: 50%; transform: translateX(26px); }

.hero-indicators {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -44px;
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 5;
}

.hero-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: #dde3e8;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}

.hero-indicator.is-active {
  width: 30px;
  border-radius: 6px;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue-glow);
}

/* ---------- SECTION SUBTITLE ---------- */
.section-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-light);
  color: var(--color-dark);
  padding: 7px 16px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
  border: 1px solid rgba(56,182,255,0.22);
}

.section-subtitle::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: node-pulse 2.2s ease-in-out infinite;
}

/* ---------- CAPABILITIES BAR ---------- */
.capabilities {
  background: var(--white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 22px 0;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.capability-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 4px;
}

.capability-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.capability-item:hover .capability-icon {
  background: var(--blue);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--blue-glow);
}

.capability-item strong {
  display: block;
  font-family: var(--font-h3);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.capability-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---------- SOLUTIONS (LIGHT) ---------- */
.solutions {
  background: var(--bg-light);
  position: relative;
}

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

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px 26px 26px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(56,182,255,0.5);
}

.solution-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.4rem;
  transition: var(--transition);
}

.solution-icon.icon-blue   { background: var(--blue-light); color: var(--blue); }
.solution-icon.icon-green  { background: var(--green-light); color: var(--green); }
.solution-icon.icon-purple { background: var(--purple-light); color: var(--purple); }
.solution-icon.icon-dark   { background: rgba(0,0,0,0.06); color: var(--dark); }

.solution-card:hover .solution-icon {
  transform: scale(1.08) translateY(-2px);
}

.solution-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.solution-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.88rem;
  transition: var(--transition);
}

.solution-link:hover { gap: 10px; }

/* ---------- SERVICE CARDS (internal pages) ---------- */
.services {
  background: var(--bg-light);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(56,182,255,0.5);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  transition: var(--transition);
}

.service-icon.icon-blue   { background: var(--blue-light); color: var(--blue); }
.service-icon.icon-green  { background: var(--green-light); color: var(--green); }
.service-icon.icon-purple { background: var(--purple-light); color: var(--purple); }
.service-icon.icon-dark   { background: rgba(0,0,0,0.06); color: var(--dark); }

.service-card:hover .service-icon {
  transform: scale(1.08) translateY(-2px);
}

.service-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.88rem;
  transition: var(--transition);
}

.service-link:hover { gap: 10px; }

/* ---------- WHY FERRIONA (TIMELINE) ---------- */
.why {
  background: var(--bg-white);
}

.why-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.25) 12%, rgba(56,182,255,0.25) 88%, transparent);
  z-index: 0;
}

.why-step {
  text-align: center;
  position: relative;
  padding: 0 12px;
  z-index: 1;
}

.why-node {
  width: 62px;
  height: 62px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 2px solid var(--blue);
  color: var(--color-dark);
  font-family: 'Kollektif', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 7px var(--blue-light);
  transition: all 0.45s ease;
}

.why-step.visible .why-node {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 0 7px rgba(56,182,255,0.15), 0 10px 28px var(--blue-glow);
  transform: translateY(-3px);
}

.why-step h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.why-step p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 230px;
  margin: 0 auto;
}

/* ---------- AI SECTION ---------- */
.ai {
  background: var(--bg-white);
}

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

.ai-content h2 {
  margin-bottom: 16px;
}

.ai-content > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.ai-list {
  margin-bottom: 28px;
}

.ai-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.ai-list li i {
  color: var(--blue);
  margin-top: 4px;
}

.ai-visual--tall {
  max-width: 540px;
  aspect-ratio: auto;
  min-height: 430px;
}

/* ---------- ER1PRO SECTION ---------- */
.er1pro {
  background: var(--bg-light);
}

.er1pro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.er1pro-visual {
  position: relative;
}

.er1pro-frame {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(0,61,96,0.18);
  background: #fff;
  position: relative;
}

.er1pro-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 38px;
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border);
  z-index: 1;
}

.er1pro-frame::after {
  content: '● ● ●  er1pro.ferriona';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 38px;
  line-height: 38px;
  padding: 0 16px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: linear-gradient(90deg, rgba(255,60,60,0.9), rgba(255,178,26,0.9), rgba(34,197,94,0.9));
  background-size: 6px 6px;
  background-repeat: no-repeat;
  background-position: 16px center;
  padding-left: 46px;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  z-index: 2;
}

.er1pro-frame img {
  width: 100%;
  display: block;
  position: relative;
  z-index: 1;
}

.er1pro-content h2 {
  font-size: 2.6rem;
  margin-bottom: 4px;
}

.er1pro-tagline {
  font-family: var(--font-h2);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 16px;
}

.er1pro-content > p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.er1pro-modules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.er1pro-modules li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-dark);
  transition: var(--transition);
}

.er1pro-modules li:hover {
  border-color: rgba(56,182,255,0.5);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.er1pro-modules li i {
  color: var(--blue);
}

.er1pro-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- CTA FINAL ---------- */
.cta-final {
  background: var(--color-dark);
  padding: 110px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-network {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,182,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,182,255,0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 30%, transparent 75%);
  pointer-events: none;
}

.cta-network::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(56,182,255,0.16) 0%, transparent 65%);
  border-radius: 50%;
}

.cta-particle {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(56,182,255,0.6);
  animation: ai-drift 8s ease-in-out infinite;
  z-index: 1;
}

.cta-particle.c1 { top: 20%; left: 18%; }
.cta-particle.c2 { top: 66%; left: 72%; animation-delay: 1.5s; }
.cta-particle.c3 { top: 30%; right: 16%; animation-delay: 3s; }
.cta-particle.c4 { bottom: 22%; left: 30%; animation-delay: 4.5s; }
.cta-particle.c5 { top: 58%; right: 30%; animation-delay: 6s; }

.cta-final .container {
  position: relative;
  z-index: 2;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56,182,255,0.14);
  color: var(--blue);
  border: 1px solid rgba(56,182,255,0.25);
  padding: 7px 16px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.cta-final h2 {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 16px;
}

.cta-final > .container > p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}

.cta-outline:hover {
  background: #fff;
  border-color: #fff;
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* ---------- ABOUT ---------- */
.about {
  background: var(--bg-white);
}

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

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--blue);
  color: #fff;
  padding: 20px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.about-experience-badge .number {
  font-family: var(--font-h1);
  font-size: 2.2rem;
  font-weight: 900;
  display: block;
  line-height: 1;
}

.about-experience-badge .label {
  font-size: 0.8rem;
  opacity: 0.9;
  margin-top: 4px;
}

.about-content .badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  padding: 6px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.about-content h2 {
  margin-bottom: 16px;
}

.about-content > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 1.02rem;
}

.about-list {
  margin-bottom: 32px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.about-list li i {
  color: var(--blue);
  font-size: 1rem;
  margin-top: 4px;
  flex-shrink: 0;
}

/* ---------- COUNTERS ---------- */
.counters {
  background: linear-gradient(135deg, #A6A6A6 0%, #888888 50%, #A6A6A6 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.counters .container {
  position: relative;
  z-index: 1;
}

.counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.counter-item {
  color: #fff;
}

.counter-item .counter-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
  color: #fff;
}

.counter-item .counter-number {
  font-family: var(--font-h1);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 6px;
  color: #fff;
}

.counter-item .counter-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}

/* ---------- PRICING ---------- */
.pricing {
  background: var(--bg-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border: 2px solid var(--blue);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: #fff;
  padding: 6px 20px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card .plan-name {
  font-family: var(--font-h4);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.pricing-card .price {
  font-family: var(--font-h1);
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card .price-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.pricing-card .features {
  text-align: left;
  margin-bottom: 30px;
}

.pricing-card .features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.pricing-card .features li:last-child {
  border-bottom: none;
}

.pricing-card .features li i {
  font-size: 0.8rem;
  width: 20px;
  text-align: center;
}

.pricing-card .features li i.fa-check {
  color: var(--blue);
}

.pricing-card .features li i.fa-xmark {
  color: #e74c3c;
}

.pricing-card .features li.disabled {
  opacity: 0.5;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials {
  background: var(--bg-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

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

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
  color: #f4c430;
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author .name {
  font-family: var(--font-h3);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.testimonial-author .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- BLOG ---------- */
.blog {
  background: var(--bg-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

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

.blog-card-image {
  width: 100%;
  height: 200px;
  background: var(--black);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,61,96,0.05) 0%, rgba(0,61,96,0.55) 78%, rgba(0,61,96,0.85) 100%);
  opacity: 0.85;
  transition: opacity 0.35s ease;
}

.blog-card:hover .blog-card-img-overlay {
  opacity: 0.55;
}

.blog-card-tag {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #fff;
  background: rgba(56, 182, 255, 0.92);
  box-shadow: 0 6px 18px rgba(0, 61, 96, 0.45);
}

.blog-card-body {
  padding: 24px;
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card-body h3 {
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card-body h3 a:hover {
  color: var(--blue);
}

.blog-card-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

/* ---------- NEWSLETTER ---------- */
.newsletter {
  background: var(--blue-light);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(17,172,248,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.newsletter .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
}

.newsletter h2 {
  color: var(--dark-deeper);
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.newsletter p {
  color: var(--dark);
  margin-bottom: 30px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--dark-deeper);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: var(--transition);
}

.newsletter-form input::placeholder {
  color: rgba(0,0,0,0.35);
}

.newsletter-form input:focus {
  border-color: var(--blue);
  background: rgba(255,255,255,0.12);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  font-family: var(--font-logo);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  height: 36px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.5);
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-h4);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.45);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--blue);
  padding-left: 4px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.35);
}

.footer-bottom-links a:hover {
  color: var(--blue);
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 15px var(--blue-glow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px var(--blue-glow);
}

/* ---------- MOBILE OVERLAY ---------- */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
}

.nav-overlay.active {
  display: block;
}

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

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

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .solutions-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .why-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .why-timeline::before {
    display: none;
  }
  .ai-grid,
  .er1pro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-slide-inner {
    gap: 40px;
    min-height: 440px;
  }
  .hero-slide .hero-title,
  .hero-slide .hero-title-secondary {
    font-size: 2.5rem;
  }
  .hero-arrow-prev { transform: translateX(calc(-50% - 70px)); }
  .hero-arrow-next { transform: translateX(28px); }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.popular {
    transform: scale(1);
  }
  .pricing-card.popular:hover {
    transform: translateY(-5px);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar-left {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 24px;
    box-shadow: -5px 0 30px rgba(0,0,0,0.15);
    transition: var(--transition);
    overflow-y: auto;
    z-index: 1001;
  }
  .nav-menu.active {
    right: 0;
  }
  .nav-menu > li > a {
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--bg-light);
    margin-top: 4px;
  }
  .nav-cta .btn-primary,
  .nav-cta .btn-er1pro {
    margin-left: 0;
    margin-top: 16px;
    width: 100%;
    justify-content: center;
  }
  .hero {
    padding: 40px 0 76px;
  }
  .hero-slide-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
    min-height: 0;
  }
  .hero-slide .hero-title,
  .hero-slide .hero-title-secondary {
    font-size: 2.2rem;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-visual {
    order: 2;
  }
  .hero-content {
    order: 1;
  }
  .hero-card--dashboard,
  .ai-visual,
  .code-visual {
    max-width: 420px;
  }
  .hero-arrow {
    width: 38px;
    height: 38px;
    bottom: -46px;
  }
  .hero-arrow-prev {
    left: 50%;
    transform: translateX(calc(-50% - 70px));
  }
  .hero-arrow-next {
    left: 50%;
    transform: translateX(28px);
  }
  .hero-indicators {
    bottom: -46px;
  }
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .about .container {
    grid-template-columns: 1fr;
  }
  .about-image {
    order: -1;
  }
  .solutions-grid,
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .why-timeline {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 76px;
  }
  .why-timeline::before {
    display: block;
    top: 12px;
    bottom: 12px;
    left: 30px;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, transparent, rgba(56,182,255,0.25) 12%, rgba(56,182,255,0.25) 88%, transparent);
  }
  .why-step {
    text-align: left;
    padding: 0 0 36px 0;
  }
  .why-node {
    position: absolute;
    left: -76px;
    top: 0;
    margin: 0;
    width: 60px;
    height: 60px;
  }
  .why-step p {
    margin: 0;
  }
  .counters-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .section-title h2 {
    font-size: 1.8rem;
  }
  .section-padding {
    padding: 60px 0;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .page-hero h1 {
    font-size: 2.2rem;
  }
  .cta-final {
    padding: 80px 0;
  }
  .cta-final h2 {
    font-size: 2.2rem;
  }
  .er1pro-modules {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .hero-slide .hero-title,
  .hero-slide .hero-title-secondary {
    font-size: 1.85rem;
  }
  .hero-arrow {
    display: none;
  }
  .hero-card,
  .hero-card--dashboard {
    padding: 20px;
  }
  .hero-card-stats {
    flex-direction: column;
    gap: 16px;
  }
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  .capability-item {
    justify-content: flex-start;
  }
  .counters-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .counter-item .counter-number {
    font-size: 2rem;
  }
  .cta-final h2 {
    font-size: 1.9rem;
  }
  .er1pro-modules {
    grid-template-columns: 1fr;
  }
  .floating-badge {
    display: none;
  }
  /* Fix why-node overlap on very small devices */
  .why-timeline {
    padding-left: 68px;
  }
  .why-timeline::before {
    left: 26px;
  }
  .why-node {
    width: 52px;
    height: 52px;
    left: -68px;
    font-size: 0.9rem;
  }
}

/* ==========================================================
   FERRIONA - NEW ERA / AI-INFUSED TECH MATICES (alet interior)
   Se mantiene fiel a la guía de estilos: azul #38B6FF,
   oscuro #003D60, negro, grises y tipografías de marca.
   ========================================================== */

/* Extra tech vars (dentro de la paleta de marca) */
:root {
  --neon: rgba(56,182,255,0.92);
  --neon-soft: rgba(56,182,255,0.35);
  --neon-faint: rgba(56,182,255,0.10);
  --grad-tech: linear-gradient(120deg, #38B6FF 0%, #003D60 100%);
  --grad-tech-soft: linear-gradient(120deg, rgba(56,182,255,0.14) 0%, rgba(0,61,96,0.08) 100%);
}

/* Global subtle engineering grid over the whole page */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(56,182,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,182,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 1101;
  background: var(--grad-tech);
  box-shadow: 0 0 12px var(--neon-soft);
}

main, footer, .navbar, .tech-statusbar {
  position: relative;
  z-index: 1;
}

/* ---------- TECH STATUS BAR / TICKER ---------- */
.tech-statusbar {
  background: linear-gradient(90deg, #001a2c 0%, #003D60 55%, #001a2c 100%);
  color: rgba(255,255,255,0.78);
  border-bottom: 1px solid rgba(56,182,255,0.18);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  overflow: hidden;
  position: relative;
  z-index: 1002;
}
.tech-statusbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 34px;
  max-width: 1400px;
}
.tech-statusbar .status-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 700;
  white-space: nowrap;
}
.tech-statusbar .status-live .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34,197,94,0.7);
  animation: live-ping 2s ease-out infinite;
}
@keyframes live-ping {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.55); }
  70% { box-shadow: 0 0 0 9px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.tech-ticker {
  flex: 1;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.tech-ticker-track {
  display: inline-flex;
  gap: 56px;
  white-space: nowrap;
  will-change: transform;
  animation: tech-ticker 40s linear infinite;
}
@keyframes tech-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.tech-ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
}
.tech-ticker-track span i {
  color: var(--blue);
  font-size: 0.7rem;
}
.tech-statusbar .status-ai {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  color: rgba(255,255,255,0.6);
}
.tech-statusbar .status-ai b { color: var(--blue); font-weight: 700; }
.tech-statusbar .status-ai i { font-size: 0.7rem; }

/* ---------- HUD CORNERS ---------- */
.hud {
  position: relative;
  isolation: isolate;
}
.hud::before,
.hud::after,
.hud .hud-corner,
.hud .hud-corner.b {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--neon-soft);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 2;
  pointer-events: none;
}
.hud::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; border-top-left-radius: 10px; }
.hud::after { top: -1px; right: -1px; border-left: 0; border-bottom: 0; border-top-right-radius: 10px; }
.hud .hud-corner { bottom: -1px; left: -1px; border-right: 0; border-top: 0; border-bottom-left-radius: 10px; }
.hud .hud-corner.b { top: auto; right: -1px; left: auto; bottom: -1px; border-left: 0; border-top: 0; border-bottom-right-radius: 10px; }
.hud:hover::before, .hud:hover::after,
.hud:hover .hud-corner, .hud:hover .hud-corner.b { opacity: 1; }

/* Neon / holographic edge on key cards */
.neon-card {
  position: relative;
  overflow: hidden;
}
.neon-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(56,182,255,0.65), transparent 40%, transparent 60%, rgba(56,182,255,0.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
}

/* Tech gradient title */
.tech-text {
  background: var(--grad-tech);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* AI / new-era micro chip */
.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(56,182,255,0.35);
  background: var(--grad-tech-soft);
  color: var(--color-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tech-chip i { color: var(--blue); font-size: 0.7rem; }
.tech-chip--dark {
  border-color: rgba(56,182,255,0.4);
  color: rgba(255,255,255,0.85);
}
.tech-chip--dark i { color: var(--blue); }

/* Scanline sweep on dark sections */
.scanlines {
  position: relative;
  overflow: hidden;
}
.scanlines::after {
  content: '';
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(180deg, transparent, rgba(56,182,255,0.10), transparent);
  animation: scan-sweep 6s linear infinite;
  pointer-events: none;
}
@keyframes scan-sweep {
  0% { transform: translateY(-120%); opacity: 0; }
  15% { opacity: 1; }
  100% { transform: translateY(420%); opacity: 0; }
}

/* Subtle floating parallax particles layer (constellation) */
.tech-aura {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.tech-aura i {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px var(--neon);
  opacity: 0.5;
  animation: aura-float 9s ease-in-out infinite;
}

/* Sections that host an aura are positioned so the layer sits behind content */
.ai, .blog, .services, .contact-section, .solutions, .why {
  position: relative;
}
.ai .container, .blog .container, .contact-section .container {
  position: relative;
  z-index: 1;
}
@keyframes aura-float {
  0%, 100% { transform: translate(0, 0); opacity: 0.25; }
  50% { transform: translate(var(--ax, 14px), var(--ay, -22px)); opacity: 0.7; }
}

/* Reveal classes for scroll effects */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal.reveal-left { transform: translateX(-40px); }
.reveal.reveal-right { transform: translateX(40px); }
.reveal.reveal-zoom { transform: scale(0.92); }
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Back-to-top gets a tech ring */
.back-to-top::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid rgba(56,182,255,0.4);
  animation: node-pulse 3s ease-in-out infinite;
}

/* Newsletter / CTA gradient accents already fit brand */

/* Tech status bar responsive */
@media (max-width: 900px) {
  .tech-statusbar .status-ai { display: none; }
}
@media (max-width: 640px) {
  .tech-statusbar .status-live span:not(.dot) { display: none; }
  .tech-statusbar .container { height: 30px; }
}



/* ---------- ARTICLE VIEW ---------- */
.articulo-view {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 61, 96, 0.12);
}
.articulo-view.tech-aura-comp { position: relative; }
.articulo-image {
  height: 320px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.articulo-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, #fff 100%);
}
.articulo-body {
  padding: 40px 50px 56px;
  color: #3a3a3a;
  font-size: 17px;
  line-height: 1.85;
}
.articulo-body p { margin-bottom: 18px; }
.articulo-h2 {
  color: #003D60;
  font-size: 26px;
  margin: 34px 0 14px;
  font-weight: 700;
}
.articulo-list {
  margin: 18px 0 22px;
  padding-left: 22px;
}
.articulo-list li { margin-bottom: 10px; }
.articulo-list li::marker { color: #38B6FF; }
.articulo-cta {
  margin-top: 34px;
  padding: 28px 30px;
  background: linear-gradient(135deg, #003D60, #0A5F8F);
  border-radius: 14px;
  color: #fff;
}
.articulo-cta p { color: #dff1ff; margin-bottom: 18px; }
.articulo-cta .btn { margin-bottom: 0; }
.articulo-refs {
  margin-top: 38px;
  padding: 24px 28px;
  background: #f2f8fd;
  border-left: 4px solid #38B6FF;
  border-radius: 10px;
}
.articulo-refs h3 {
  color: #003D60;
  font-size: 17px;
  margin-bottom: 12px;
}
.articulo-refs ul { margin: 0; padding-left: 18px; }
.articulo-refs li { font-size: 14px; margin-bottom: 8px; color: #444; }
.articulo-refs a { color: #0077c2; text-decoration: underline; }
.articulo-back {
  display: inline-block;
  margin: 34px 0 0;
  color: #003D60;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}
.articulo-back:hover { color: #38B6FF; }
@media (max-width: 720px) {
  .articulo-body { padding: 28px 24px 40px; }
  .articulo-image { height: 210px; }
  .articulo-h2 { font-size: 22px; }
}

/* ---------- LEGAL VIEW ---------- */
.legal-view {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 61, 96, 0.12);
}
.legal-body {
  padding: 48px 56px;
  color: #3a3a3a;
  font-size: 16px;
  line-height: 1.85;
}
.legal-body > p { margin-bottom: 16px; }
.legal-h2 {
  color: #003D60;
  font-size: 22px;
  margin: 30px 0 12px;
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 2px solid #e6f2fa;
}
.legal-list {
  margin: 14px 0 20px;
  padding-left: 22px;
}
.legal-list li { margin-bottom: 8px; }
.legal-list li::marker { color: #38B6FF; }
.legal-highlight {
  padding: 14px 18px;
  background: #eef7ff;
  border-radius: 8px;
  font-weight: 600;
  color: #003D60;
  display: inline-block;
}
.legal-note {
  margin-top: 36px;
  padding: 22px 26px;
  background: linear-gradient(135deg, #003D60, #0A5F8F);
  border-radius: 12px;
  color: #fff;
}
.legal-note p { color: #dff1ff; margin: 0; }
.legal-note a { color: #38B6FF; font-weight: 600; }
@media (max-width: 720px) {
  .legal-body { padding: 28px 24px 40px; }
  .legal-h2 { font-size: 19px; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in {
    opacity: 1;
    transform: none;
  }
}