/* ===================================================================
 * Total Aplicaciones - Landing Page E-commerce (Versión 1 - Kairos Inspired)
 * Ecosistema de Soluciones Tecnológicas · Stand 2026
 * Pure Vanilla CSS3 with Montserrat Typography & Zero Border-Radius Base
 * Allowed Radius Exceptions: Floating WhatsApp Icon & Hero Device Side
 * =================================================================== */

:root {
  /* Brand & Accent */
  --accent: #ff8600;
  --accent-hover: #e67600;
  --accent-light: #fff3e6;
  --accent-glow: rgba(255, 134, 0, 0.28);
  --accent-gold: #f59e0b;

  /* Monochromatic Base */
  --black: #000000;
  --white: #ffffff;
  --dark-hero: #0b0f15;
  --dark-surface: #121822;
  --dark-surface-elevated: #18202d;
  --dark-border: rgba(255, 255, 255, 0.1);
  --dark-text-dim: #94a3b8;

  /* Light Theme Surfaces & Grays */
  --bg-light: #f8fafc;
  --bg-light-soft: #f1f5f9;
  --border-light: #e2e8f0;
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;

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

  /* Layout & Spacing */
  --container-max: 1200px;
  --container-pad: 24px;
  --header-height: 84px;

  /* Zero Base Radius */
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 8px 30px rgba(255, 134, 0, 0.35);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Section Anchor Offset for Fixed Header */
section[id], header[id] {
  scroll-margin-top: var(--header-height);
}

/* ===================================================================
 * Buttons & Badges (Strict Rectilinear)
 * =================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 0;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 18px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 30px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

.badge-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 0;
  background: rgba(255, 134, 0, 0.12);
  border: 1px solid rgba(255, 134, 0, 0.35);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

/* ===================================================================
 * Site Header & Sticky Navbar (White BG & 1600px Max-Width Container)
 * =================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--white);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.scrolled {
  background-color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.site-header .nav-container,
.site-header .container {
  max-width: 1600px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-link img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-mark {
  transform: scale(1.05) rotate(4deg);
}

.brand-mark.sm {
  width: 36px;
  height: 36px;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--dark-text-dim);
  letter-spacing: 0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-link {
  color: var(--black);
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
}

.nav-cta {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background-color: var(--black);
  transition: var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

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

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ===================================================================
 * Hero Section (Woman Background + Gradient + Smart Device Mockup)
 * =================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, rgb(11 15 21 / 29%) 0%, rgb(11 15 21 / 47%) 48%, rgb(11 15 21 / 47%) 100%), radial-gradient(circle at 75% 25%, rgba(255, 134, 0, 0.22) 0%, rgba(11, 15, 21, 0) 65%), url(img/woman-using-digital-tablet-analyzing-business-data-2026-01-11-08-48-43-utc.jpg) center center / cover no-repeat;
  color: var(--white);
  padding: 68px 0 88px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -100px;
  right: -50px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(255, 134, 0, 0.16) 0%, rgba(255, 134, 0, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 52px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 600px;
}

.hero-headline {
  font-size: clamp(1.8rem, 2.7vw, 2.45rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.highlight-text {
  color: var(--accent);
  position: relative;
  display: inline;
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-support-note {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--dark-text-dim);
}

.hero-support-note svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ===================================================================
 * Hero Smart Device Side (Version 2 Mockup with Allowed Radius)
 * =================================================================== */
.hero-device-side {
  position: relative;
  display: flex;
  justify-content: center;
}

.device-hub-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
}

.phone-frame {
  background: #121824;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-radius: 40px !important;
  padding: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 134, 0, 0.15);
  position: relative;
  z-index: 2;
  transition: transform var(--transition-normal);
}

.phone-frame:hover {
  transform: translateY(-6px);
}

.phone-notch {
  width: 120px;
  height: 18px;
  background-color: #000;
  border-radius: 0 0 14px 14px !important;
  margin: 0 auto 12px;
}

.phone-screen-content {
  background: linear-gradient(180deg, #0f1724 0%, #06090e 100%);
  border-radius: 28px !important;
  padding: 20px 16px;
  color: var(--white);
}

.device-status-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--dark-text-dim);
  margin-bottom: 14px;
}

.status-live {
  color: var(--accent);
}

.device-hero-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px !important;
  padding: 16px;
  margin-bottom: 16px;
  text-align: center;
}

.device-kpi-badge {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.device-hero-title {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}

.device-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.kpi-mini-box {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 6px !important;
  padding: 6px 2px;
}

.kpi-mini-box strong {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
}

.kpi-mini-box small {
  font-size: 0.6rem;
  color: var(--dark-text-dim);
}

/* Device Nodes Interactive List */
.device-nodes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.node-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px !important;
  padding: 8px 12px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.node-item:hover, .node-item.active-node {
  background: rgba(255, 134, 0, 0.12);
  border-color: var(--accent);
}

.node-num {
  font-weight: 900;
  color: var(--accent);
  font-size: 0.72rem;
}

.node-title {
  font-weight: 700;
  color: var(--white);
  flex-grow: 1;
}

.node-meta {
  font-size: 0.65rem;
  color: var(--dark-text-dim);
}

.device-cta-btn {
  display: block;
  text-align: center;
  background: var(--accent);
  color: var(--white);
  padding: 10px;
  border-radius: 8px !important;
  font-size: 0.78rem;
  font-weight: 800;
}

/* Orbital Floating Badges */
.orbital-badge {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 24, 36, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px 18px;
  border-radius: 9999px !important;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 3;
  animation: floatOrbital 4s ease-in-out infinite alternate;
}

.orbit-top {
  top: 10%;
  right: -30px;
}

.orbit-bottom {
  bottom: 8%;
  left: -35px;
  animation-delay: -2s;
}

@keyframes floatOrbital {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

/* ===================================================================
 * Section Headers & Separators
 * =================================================================== */
.section {
  padding: 88px 0;
}

.section-header {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 50px;
}

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

.section-title {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.section-sep {
  width: 48px;
  height: 4px;
  background-color: var(--accent);
  border-radius: 0;
  margin: 20px auto 0;
}

/* ===================================================================
 * Value Proposition & Pillars (4 Core Benefits)
 * =================================================================== */
.pillars-section {
  background-color: var(--white);
  border-bottom: 1px solid var(--border-light);
}

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

.pillar-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: 0;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  position: relative;
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 134, 0, 0.4);
  box-shadow: var(--shadow-md);
}

.pillar-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 0;
  background: rgba(255, 134, 0, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.pillar-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.pillar-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===================================================================
 * Commercial Ecosystem Flow (3 Columns Per Row)
 * =================================================================== */
.ecosystem-section {
  background-color: var(--bg-light);
}

.ecosystem-flow-container {
  width: 100%;
}

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

.flow-phase-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: 0;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.flow-phase-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 32px rgba(255, 134, 0, 0.14);
}

.phase-number-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(255, 134, 0, 0.1);
  padding: 3px 10px;
  border-radius: 0;
}

.phase-card-header {
  margin-bottom: 14px;
}

.phase-icon {
  width: 48px;
  height: 48px;
  border-radius: 0;
  background: var(--bg-light-soft);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: var(--transition-fast);
}

.flow-phase-card:hover .phase-icon {
  background: var(--accent);
  color: var(--white);
}

.phase-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.25;
}

.phase-description {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.phase-partners {
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
  margin-bottom: 16px;
}

.partner-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.partner-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 0;
  background: var(--bg-light-soft);
  color: var(--text-body);
  border: 1px solid var(--border-light);
}

.badge-tag.highlight-tag {
  background: rgba(255, 134, 0, 0.12);
  color: var(--accent-hover);
  border-color: rgba(255, 134, 0, 0.3);
}

.badge-tag.gold-tag {
  background: #fef3c7;
  color: #b45309;
  border-color: #fde68a;
}

.btn-select-flow {
  background: transparent;
  border: none;
  color: var(--accent);
  font-weight: 800;
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
  padding: 6px 0 0;
  transition: var(--transition-fast);
}

.btn-select-flow:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ===================================================================
 * SimpliPOS Secondary Strip (Lower Hierarchy)
 * =================================================================== */
.simplipos-strip-section {
  padding: 48px 0;
  background-color: var(--white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.simplipos-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-left: 6px solid var(--accent);
  border-radius: 0;
  padding: 28px 36px;
}

.simplipos-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.simplipos-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.simplipos-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 650px;
}

.btn-pos {
  background: var(--white);
  color: var(--text-dark);
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
  border-radius: 0;
}

.btn-pos:hover {
  background: var(--text-dark);
  color: var(--white);
  border-color: var(--text-dark);
}

/* ===================================================================
 * Form & Lead Capture Section
 * =================================================================== */
.form-section {
  background: linear-gradient(180deg, #0b0f15 0%, #111620 100%);
  color: var(--white);
}

.form-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.form-section-title {
  font-size: clamp(1.6rem, 2.3vw, 2.05rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.form-section-description {
  font-size: 1.02rem;
  color: var(--dark-text-dim);
  line-height: 1.6;
  margin-bottom: 32px;
}

.session-benefits-box {
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: 0;
  padding: 28px;
}

.benefits-box-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--white);
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.benefits-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.benefits-list strong {
  display: block;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 2px;
}

.benefits-list span {
  display: block;
  font-size: 0.85rem;
  color: var(--dark-text-dim);
}

.check-icon {
  width: 24px;
  height: 24px;
  border-radius: 0;
  background: rgba(255, 134, 0, 0.2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Elevated Form Card */
.form-card {
  background: var(--white);
  color: var(--text-dark);
  border-radius: 0;
  padding: 40px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.form-card-header {
  margin-bottom: 24px;
}

.form-card-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 6px;
}

.form-card-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
}

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

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

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.required {
  color: #dc2626;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 0.92rem;
  border: 1.5px solid var(--border-light);
  border-radius: 0;
  background-color: var(--bg-light);
  color: var(--text-dark);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(255, 134, 0, 0.15);
}

.form-group input.has-error,
.form-group select.has-error {
  border-color: #ef4444;
  background-color: #fef2f2;
}

.error-feedback {
  display: none;
  font-size: 0.75rem;
  font-weight: 600;
  color: #dc2626;
  margin-top: 4px;
}

.error-feedback.visible {
  display: block;
}

.privacy-notice {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}

/* Success Banner */
.form-success-banner {
  display: none;
  align-items: center;
  gap: 16px;
  background: #ecfdf5;
  border: 1.5px solid #10b981;
  border-radius: 0;
  padding: 18px 20px;
  margin-top: 20px;
  color: #065f46;
}

.form-success-banner.active {
  display: flex;
}

.success-icon {
  width: 36px;
  height: 36px;
  border-radius: 0;
  background: #10b981;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  flex-shrink: 0;
}

.success-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 2px;
}

.success-text p {
  font-size: 0.85rem;
  color: #047857;
  margin: 0;
}

/* ===================================================================
 * Direct Contact Section (Split Image + Floating Card Reference)
 * =================================================================== */
.channels-section {
  background-color: var(--white);
  padding: 96px 0;
  overflow: hidden;
}

.contact-split-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 52px;
  align-items: center;
  position: relative;
}

.contact-visual-wrap {
  position: relative;
}

.contact-portrait-img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-light);
}

.contact-info-wrap {
  position: relative;
  z-index: 2;
}

.contact-kicker {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.contact-headline {
  font-size: clamp(1.8rem, 2.6vw, 2.35rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 14px;
}

.contact-description {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

/* Floating/Overlapping White Card like in the reference image */
.contact-card-floating {
  background: var(--white);
  border: 1px solid var(--border-light);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.12);
  padding: 24px 28px;
  position: relative;
  margin-left: -50px;
  z-index: 3;
}

.contact-floating-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #f1f5f9;
  transition: var(--transition-fast);
}

.contact-floating-row:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.contact-floating-row:hover {
  transform: translateX(4px);
}

.floating-row-icon,
.floating-row-num {
  width: 44px;
  height: 44px;
  background: rgba(255, 134, 0, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 0;
  transition: var(--transition-fast);
}

.floating-row-icon.whatsapp-icon-box {
  background: #25d366;
  color: #ffffff;
}

.floating-row-icon svg {
  display: block;
}

.contact-floating-row:hover .floating-row-icon {
  transform: scale(1.05);
}

.contact-floating-row.whatsapp-row:hover .whatsapp-icon-box {
  background: #20ba59;
}

.floating-row-content {
  flex-grow: 1;
}

.row-title {
  display: block;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 3px;
  letter-spacing: 0.02em;
}

.row-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 4px;
}

.row-cta-link {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent);
  transition: var(--transition-fast);
}

.row-cta-link.whatsapp-cta {
  color: #16a34a;
}

.contact-floating-row:hover .row-cta-link {
  color: var(--accent-hover);
  text-decoration: underline;
}

.contact-floating-row.whatsapp-row:hover .row-cta-link,
.contact-floating-row:hover .row-cta-link.whatsapp-cta {
  color: #15803d;
}

/* ===================================================================
 * Site Footer (Simplified Single Bottom Bar)
 * =================================================================== */
.site-footer {
  background-color: var(--black);
  color: #94a3b8;
  padding: 0;
  border-top: 1px solid var(--dark-border);
}

.footer-bottom {
  padding: 26px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.copyright-text {
  font-size: 0.85rem;
  color: #cbd5e1;
  font-weight: 600;
}

.tagline-text {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
}

/* ===================================================================
 * Floating WhatsApp Quick Button (CIRCULAR EXCEPTION)
 * =================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background-color: #25d366;
  color: var(--white);
  border-radius: 50% !important; /* Circular exception explicitly allowed */
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.floating-whatsapp:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.floating-tooltip {
  position: absolute;
  right: 68px;
  background: var(--text-dark);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 0;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.floating-whatsapp:hover .floating-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ===================================================================
 * Scroll-Triggered Entrance Animations (IntersectionObserver)
 * =================================================================== */
.fade-up-element {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-up-element.in-view {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ===================================================================
 * Responsive Media Queries
 * =================================================================== */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .hero-actions {
    justify-content: center;
  }

  .hero-support-note {
    justify-content: center;
  }

  .device-hub-wrapper {
    margin: 0 auto;
  }

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

  .ecosystem-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .form-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-split-layout {
    grid-template-columns: 1fr;
  }

.contact-portrait-img {
  object-fit: cover;
  object-position: top;
  height: 500px;
}

  .contact-card-floating {
    margin-left: 0;
  }
}

@media (max-width: 860px) {
  .ecosystem-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* Navigation switches to hamburger menu at 1024px screen size */
@media (max-width: 1024px) {
  :root {
    --header-height: 76px;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--white);
    border-top: 1px solid var(--border-light);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 40px 24px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .nav-link {
    color: var(--black);
    font-size: 1.15rem;
  }

  .nav-link:hover, .nav-link.active {
    color: var(--accent);
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 72px;
  }

  .section {
    padding: 64px 0;
  }

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

  .simplipos-card {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

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

  .form-card {
    padding: 28px 20px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* ===================================================================
 * Mobile Breakpoints (500px and 450px)
 * =================================================================== */
@media (max-width: 500px) {
  .hero-support-note {
    /* text-align: left; */
    max-width: 300px;
    margin: 0 auto;
    flex-wrap: wrap;
  }
}

@media (max-width: 450px) {
  .btn {
    white-space: unset;
  }

  .container.hero-grid {
    padding: 0;
  }

  .hero-content .btn.btn-primary.btn-large {
    padding: 9px;
    font-size: 14px;
  }

  .hero-content .btn.btn-secondary {
    padding: 12px;
    font-size: 14px;
  }

  .hero-content {
    padding: 0 17px;
  }

  .hero-headline {
    font-size: 25px;
  }

  .orbital-badge.orbit-top {
    top: 18px;
    right: 5px;
  }

  .orbital-badge.orbit-bottom {
    left: 4px;
    bottom: -24px;
  }

  .phone-screen-content {
    padding: 20px 8px;
  }

  h2.section-title {
    font-size: 26px;
  }

  .contact-portrait-img {
    height: 275px;
  }

  h2.contact-headline {
    font-size: 25px;
  }

  .contact-card-floating {
    padding: 20px 18px;
  }

  .contact-floating-row {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}