/* ============================================
   MODERN SMARTDIALER - VARIABLES & RESET
   ============================================ */

:root {
  /* Colors */
  --color-primary: #0AA7A5;
  --color-primary-dark: #07807E;
  --color-primary-light: #3CC3C1;
  --color-secondary: #0066FF;
  --color-accent: #00D4AA;
  --color-accent-dark: #00B894;
  
  /* Neutrals */
  --color-dark: #0A0E27;
  --color-dark-blue: #131B3A;
  --color-midnight: #1A2142;
  --color-slate: #2A3558;
  --color-gray: #64748B;
  --color-light-gray: #94A3B8;
  --color-border: #E2E8F0;
  --color-bg-light: #F8FAFC;
  --color-bg-white: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0AA7A5 0%, #07807E 100%);
  --gradient-hero: linear-gradient(135deg, #0A0E27 0%, #0B2F2E 50%, #0A0E27 100%);
  --gradient-accent: linear-gradient(135deg, #00D4AA 0%, #0AA7A5 100%);
  --gradient-soft: linear-gradient(135deg, #F8FAFC 0%, #EDF2F7 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.15);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Layout */
  --container-max: 1280px;
  --container-padding: 2rem;
}

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

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

body {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-bg-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   UTILITIES
   ============================================ */

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  padding: 1rem 1.5rem;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 9999;
}

.skip-link:focus {
  top: 10px;
}

/* ============================================
   HEADER
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo-badge {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(110, 86, 207, 0.05) 100%);
  border: 1px solid rgba(0, 102, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.logo-badge:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-slate);
  position: relative;
  transition: color 0.3s ease;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0.75rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  z-index: 1002;
  position: relative;
  box-shadow: var(--shadow-sm);
  min-width: 44px;
  min-height: 44px;
}

.mobile-menu-toggle:active {
  background: var(--color-bg-light);
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
  display: block;
}

/* Mobile menu styles */
@media (max-width: 992px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: white;
    flex-direction: column;
    align-items: stretch;
    padding: 6rem 2rem 2rem;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .main-nav.is-open {
    right: 0;
  }
  
  .nav-link {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1.0625rem;
    color: var(--color-dark);
  }
  
  .nav-link:active {
    background: var(--color-bg-light);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .cta-button--small {
    width: 100%;
    margin-top: 1.5rem;
    padding: 1rem;
  }
  
  .mobile-menu-toggle {
    display: flex !important;
  }
  
  /* Overlay when menu is open */
  body.menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
    -webkit-tap-highlight-color: transparent;
  }
  
  body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   CTA BUTTONS
   ============================================ */

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.cta-button--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.25);
}

.cta-button--primary:hover {
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.35);
  transform: translateY(-2px);
}

.cta-button--ghost {
  background: transparent;
  color: var(--color-slate);
  border: 2px solid var(--color-border);
}

.cta-button--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0, 102, 255, 0.04);
}

.cta-button--outline {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.cta-button--outline:hover {
  background: var(--color-primary);
  color: white;
}

.cta-button--white {
  background: white;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.cta-button--white:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.cta-button--small {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.cta-button--full {
  width: 100%;
}

.button-icon {
  width: 18px;
  height: 18px;
}

.button-arrow {
  width: 16px;
  height: 16px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  padding: 10rem 0 6rem;
  background: var(--gradient-hero);
  color: white;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(800px 600px at 10% 20%, rgba(0, 102, 255, 0.15) 0%, transparent 60%),
    radial-gradient(600px 500px at 90% 30%, rgba(110, 86, 207, 0.12) 0%, transparent 55%),
    radial-gradient(700px 600px at 50% 80%, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.kpi-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.kpi-icon {
  font-size: 2rem;
}

.kpi-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.kpi-desc {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Disclaimer */
.disclaimer-box {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

.disclaimer-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.7;
}

/* Feature Panel */
.hero-panel {
  position: sticky;
  top: 120px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-2xl);
}

.feature-card-header {
  margin-bottom: 1.5rem;
}

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: white;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.check-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.info-note {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(0, 212, 170, 0.15);
  border: 1px solid rgba(0, 212, 170, 0.25);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.6;
}

.note-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: 6rem 0;
}

.section--white {
  background: var(--color-bg-white);
}

.section--gradient {
  background: var(--gradient-soft);
}

.section--dark {
  background: var(--gradient-hero);
  color: white;
}

.section--cta {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-blue) 100%);
  color: white;
  padding: 6rem 0 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header--light .section-title,
.section-header--light .section-description {
  color: white;
}

.section-header-content {
  max-width: 800px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: var(--color-dark);
}

.section-description {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-gray);
}

/* ============================================
   CARDS GRID
   ============================================ */

.cards-grid {
  display: grid;
  gap: 2rem;
}

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

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

.cards-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Product Cards */
.product-card {
  padding: 2rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

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

.product-card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.product-card-description {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-gray);
}

/* Advantage Cards */
.advantage-card {
  padding: 2rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

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

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

.advantage-icon-wrapper {
  display: inline-flex;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(110, 86, 207, 0.05) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}

.advantage-icon {
  font-size: 2.5rem;
}

.advantage-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.advantage-description {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
  margin-bottom: 1rem;
}

.advantage-tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: rgba(0, 102, 255, 0.08);
  border: 1px solid rgba(0, 102, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Portal Features */
.portal-feature {
  padding: 2rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.portal-feature:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.portal-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.portal-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.portal-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-gray);
}

/* Case Cards */
.case-card {
  padding: 2rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.case-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.case-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
  margin-bottom: 1.25rem;
}

.case-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
}

.case-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-slate);
}

.case-features li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: 700;
}

/* ============================================
   CALLOUT BOXES
   ============================================ */

.callout-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 2.5rem;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(110, 86, 207, 0.03) 100%);
  border: 1px solid rgba(0, 102, 255, 0.15);
  border-radius: var(--radius-xl);
  margin-top: 3rem;
}

.callout-box--primary {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(110, 86, 207, 0.05) 100%);
}

.callout-content {
  flex: 1;
}

.callout-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.callout-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-gray);
}

.highlight-box {
  display: flex;
  gap: 2rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 102, 255, 0.05) 100%);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius-xl);
  margin-top: 3rem;
}

.highlight-icon {
  font-size: 3.5rem;
  flex-shrink: 0;
}

.highlight-content {
  flex: 1;
}

.highlight-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.highlight-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-gray);
}

/* ============================================
   PROCESS TIMELINE
   ============================================ */

.process-timeline {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.process-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  box-shadow: 0 4px 14px rgba(0, 212, 170, 0.3);
}

.process-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: white;
}

.process-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

.process-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.2) 100%);
}

/* ============================================
   ARCHITECTURE DIAGRAM
   ============================================ */

.architecture-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.architecture-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.architecture-box {
  padding: 2rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all 0.3s ease;
}

.architecture-box:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.architecture-box--primary {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(110, 86, 207, 0.05) 100%);
  border-color: rgba(0, 102, 255, 0.2);
}

.architecture-box--accent {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 102, 255, 0.05) 100%);
  border-color: rgba(0, 212, 170, 0.2);
}

.architecture-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.architecture-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.architecture-desc {
  font-size: 0.9375rem;
  color: var(--color-gray);
}

.architecture-arrows {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.architecture-arrow {
  width: 100px;
}

.architecture-arrow svg {
  width: 100%;
  height: auto;
  stroke: var(--color-primary);
  opacity: 0.6;
}

.architecture-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2.5rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}


/* Architecture variants (business case) */
.architecture-variants {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 24px;
}

.arch-variant {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--border-color);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.arch-variant__title {
  margin: 10px 0 8px;
  font-size: 1.25rem;
}

.arch-variant__desc {
  margin: 0 0 12px;
  color: var(--text-muted);
}

.arch-variant__list {
  margin: 0;
  padding-left: 18px;
}

.arch-variant__list li {
  margin: 8px 0;
}

.arch-variant__media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.arch-variant__media img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.06);
}

.arch-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(0,0,0,0.03);
}

.arch-badge--accent {
  border-color: rgba(0, 169, 166, 0.35);
  background: rgba(0, 169, 166, 0.10);
  color: var(--accent-color);
}

.arch-badge--neutral {
  color: var(--text-color);
}

.architecture-features--compact {
  margin-top: 28px;
}

@media (max-width: 900px) {
  .arch-variant {
    grid-template-columns: 1fr;
  }
  .arch-variant__media {
    order: -1;
  }
}

.arch-feature {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.arch-icon {
  width: 40px;
  height: 40px;
  padding: 0.625rem;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(110, 86, 207, 0.05) 100%);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.arch-feature-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.arch-feature-desc {
  font-size: 0.875rem;
  color: var(--color-gray);
}

/* ============================================
   INTERFACE SHOWCASE
   ============================================ */

.interface-showcase {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.browser-mockup {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.browser-dots {
  display: flex;
  gap: 0.5rem;
}

.browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.browser-dots span:nth-child(1) {
  background: #FF5F57;
}

.browser-dots span:nth-child(2) {
  background: #FFBD2E;
}

.browser-dots span:nth-child(3) {
  background: #28CA42;
}

.browser-address {
  flex: 1;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-gray);
}

.browser-content {
  padding: 0;
}

.interface-screenshot {
  width: 100%;
  height: auto;
  display: block;
}

.interface-features-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

.interface-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.interface-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.interface-list li:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.list-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.interface-list li div {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-gray);
}

/* ============================================
   FAQ
   ============================================ */

.faq-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item[open] {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.75rem 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.cta-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  padding-bottom: 6rem;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 170, 0.15);
  border: 1px solid rgba(0, 212, 170, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.cta-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.2);
}

.cta-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: white;
}

.cta-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  max-width: 500px;
}

.cta-tags {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta-tag {
  padding: 0.625rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

/* Contact Form */
.contact-form {
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.95);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: white;
  transition: all 0.3s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.15);
  background: rgba(0, 0, 0, 0.3);
}

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

.captcha-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.captcha-image {
  width: 160px;
  height: 50px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.9);
}

.captcha-refresh {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.2);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
  cursor: pointer;
  transition: all 0.3s ease;
}

.captcha-refresh:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.12);
}

.form-status {
  min-height: 1.25rem;
  margin-top: -0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
}

.form-status.is-error { color: #fecaca; }
.form-status.is-success { color: #bbf7d0; }

.form-honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-hint {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: 3rem 0;
  background: var(--color-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: white;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .hero-panel {
    position: static;
  }
  
  .cards-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .interface-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .hero {
    padding: 8rem 0 4rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  
  .cards-grid--3,
  .cards-grid--4 {
    grid-template-columns: 1fr;
  }
  
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .process-connector {
    width: 2px;
    height: 40px;
    margin: 0.5rem auto;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.2) 100%);
  }
  
  .architecture-diagram {
    grid-template-columns: 1fr;
  }
  
  .architecture-arrows {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  }
  
  .architecture-arrow {
    width: 60px;
    transform: rotate(90deg);
  }
  
  .architecture-features {
    grid-template-columns: 1fr;
  }
  
  .cta-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section-description {
    font-size: 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .cta-title {
    font-size: 2rem;
  }
  
  .callout-box {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .highlight-box {
    flex-direction: column;
  }
  
  .compare-section {
    grid-template-columns: 1fr;
  }
  
  .browser-address {
    font-size: 0.75rem;
  }
  
  .cards-grid--2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 7rem 0 3rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .badge-pill {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .cta-button {
    width: 100%;
    justify-content: center;
  }
  
  .logo-img {
    height: 40px;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .product-card,
  .advantage-card,
  .case-card {
    padding: 1.5rem;
  }
  
  .process-step {
    padding: 1.5rem 1rem;
  }
  
  .architecture-box {
    padding: 1.5rem;
  }
  
  .contact-form {
    padding: 2rem 1.5rem;
  }
  
  .cta-title {
    font-size: 1.75rem;
  }
  
  .cta-subtitle {
    font-size: 1rem;
  }
}


/* --- Brand tagline & watermark additions --- */
.hero-tagline{
  margin-top: 14px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .3px;
  color: rgba(255,255,255,.92);
}

.section-tagline{
  margin-top: 10px;
  font-weight: 700;
  letter-spacing: .25px;
}

.section-tagline--light{
  color: rgba(255,255,255,.88);
}

/* Watermark logo on dark/hero blocks */
.hero-background::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("assets/brand.png");
  background-repeat:no-repeat;
  background-position:right 8% center;
  background-size: 520px auto;
  opacity: .07;
  transform: rotate(-8deg);
}

.section--dark{
  position: relative;
  overflow: hidden;
}

.section--dark::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("assets/brand.png");
  background-repeat:no-repeat;
  background-position:left 6% center;
  background-size: 460px auto;
  opacity: .06;
  transform: rotate(10deg);
  pointer-events:none;
}

/* ----------------------------------------------
   Concepts + Business case (presentazione)
---------------------------------------------- */

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.concept-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.concept-media img {
  width: 100%;
  height: auto;
  display: block;
}

.concept-body {
  padding: 1.75rem;
}

.concept-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 0 0 0.75rem;
}

.concept-text {
  color: var(--color-gray);
  line-height: 1.7;
  margin: 0 0 1rem;
}

.concept-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.concept-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-gray);
}

.concept-list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.business-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  background: white;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.business-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
}

.business-icon {
  font-size: 1.75rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(0, 102, 255, 0.08);
}

.business-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-dark);
}

.business-card p {
  margin: 0;
  color: var(--color-gray);
  line-height: 1.6;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .concept-grid {
    grid-template-columns: 1fr;
  }
  .business-grid {
    grid-template-columns: 1fr;
  }
}