/* ==========================================================================
   ATSCube by LokalBand - Operator Landing Page
   Premium, Modern, Responsive Design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-accent: #10b981;
  --color-accent-dark: #059669;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-gray-950: #030712;

  --color-white: #ffffff;
  --color-black: #000000;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --font-size-sm: clamp(0.8125rem, 0.77rem + 0.21vw, 0.875rem);
  --font-size-base: clamp(0.9375rem, 0.89rem + 0.24vw, 1rem);
  --font-size-lg: clamp(1.0625rem, 1rem + 0.31vw, 1.125rem);
  --font-size-xl: clamp(1.1875rem, 1.1rem + 0.44vw, 1.25rem);
  --font-size-2xl: clamp(1.4375rem, 1.28rem + 0.79vw, 1.5rem);
  --font-size-3xl: clamp(1.75rem, 1.5rem + 1.25vw, 1.875rem);
  --font-size-4xl: clamp(2rem, 1.6rem + 2vw, 2.25rem);
  --font-size-5xl: clamp(2.5rem, 1.8rem + 3.5vw, 3rem);
  --font-size-6xl: clamp(3rem, 2rem + 5vw, 3.75rem);

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;
  --letter-spacing-wider: 0.1em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Container */
  --container-max: 1280px;
  --container-padding: var(--space-5);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 60px -12px var(--color-primary);

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

  /* Z-Index */
  --z-header: 1000;
  --z-overlay: 900;
  --z-modal: 1100;

  /* Header height */
  --header-height: 4rem;
}

@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-8);
    --header-height: 5rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-12);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

ul, ol {
  list-style: none;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  z-index: calc(var(--z-header) + 1);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section__header {
  margin-bottom: var(--space-10);
}

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

.section__eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-gray-900);
}

.section__subtitle {
  margin-top: var(--space-4);
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.1), 0 1px 2px rgb(0 0 0 / 0.06);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

/* Badge */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  border-radius: var(--radius-sm);
  vertical-align: middle;
  margin-left: var(--space-2);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-100);
  z-index: var(--z-header);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

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

.header__logo img {
  height: 28px;
  width: auto;
}

@media (min-width: 768px) {
  .header__logo img {
    height: 32px;
  }
}

.header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header__nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--color-gray-900);
  background: var(--color-gray-50);
}

.header__cta {
  display: none;
}

@media (min-width: 640px) {
  .header__cta {
    display: inline-flex;
  }
}

.header__menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-right: calc(var(--space-3) * -1);
}

@media (min-width: 1024px) {
  .header__menu-toggle {
    display: none;
  }
}

.header__menu-icon {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 1px;
  transition: background var(--transition-fast);
}

.header__menu-icon::before,
.header__menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 1px;
  transition: transform var(--transition-base);
}

.header__menu-icon::before {
  top: -6px;
}

.header__menu-icon::after {
  bottom: -6px;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon {
  background: transparent;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Nav */
.header__nav--mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--space-6);
  overflow-y: auto;
  z-index: var(--z-overlay);
}

.header__nav--mobile.is-open {
  display: block;
}

@media (min-width: 1024px) {
  .header__nav--mobile {
    display: none !important;
  }
}

.header__nav--mobile .header__nav-list {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
}

.header__nav--mobile .header__nav-link {
  display: block;
  padding: var(--space-4);
  font-size: var(--font-size-lg);
  text-align: center;
  border-radius: var(--radius-lg);
}

.header__nav--mobile .header__cta {
  display: flex;
  margin-top: var(--space-6);
  width: 100%;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-8));
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59, 130, 246, 0.15), transparent 60%),
    linear-gradient(180deg, var(--color-gray-950) 0%, var(--color-gray-900) 100%);
  z-index: -1;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, white, transparent 80%);
  -webkit-mask-image: linear-gradient(180deg, white, transparent 80%);
}

.hero__container {
  display: grid;
  gap: var(--space-12);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (min-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-16);
  }
}

.hero__content {
  text-align: center;
}

@media (min-width: 1024px) {
  .hero__content {
    text-align: left;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__badge-logo {
  height: 24px;
  width: auto;
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-white);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-6xl);
  }
}

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

.hero__title-sub {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-400);
  margin-top: var(--space-3);
}

@media (min-width: 768px) {
  .hero__title-sub {
    font-size: var(--font-size-3xl);
  }
}

.hero__tagline {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary-light);
  margin-top: var(--space-6);
  letter-spacing: var(--letter-spacing-wide);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  margin-top: var(--space-4);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1024px) {
  .hero__description {
    margin-left: 0;
    margin-right: 0;
  }
}

.hero__cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

@media (min-width: 480px) {
  .hero__cta-group {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .hero__cta-group {
    justify-content: flex-start;
  }
}

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

.hero__device-wrapper {
  position: relative;
  width: 100%;
  max-width: 400px;
}

@media (min-width: 1024px) {
  .hero__device-wrapper {
    max-width: 500px;
  }
}

.hero__device {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.5));
  animation: float 6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero__device {
    animation: none;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.hero__device-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(59, 130, 246, 0.3) 0%,
    rgba(59, 130, 246, 0.1) 40%,
    transparent 70%
  );
  filter: blur(40px);
  z-index: 0;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-500);
  animation: pulse 2s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero__scroll-indicator {
    animation: none;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.hero__scroll-text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-gray-500), transparent);
}

/* --------------------------------------------------------------------------
   Problem Section
   -------------------------------------------------------------------------- */
.problem {
  padding: var(--space-20) 0;
  background: var(--color-gray-50);
  position: relative;
}

.problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
}

.problem__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .problem__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
}

.problem__card {
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

@media (prefers-reduced-motion: reduce) {
  .problem__card:hover {
    transform: none;
  }
}

.problem__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-50));
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.problem__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-gray-600);
}

.problem__card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.problem__card-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Solution Section
   -------------------------------------------------------------------------- */
.solution {
  padding: var(--space-20) 0;
  background: var(--color-white);
}

.solution__visual {
  margin-bottom: var(--space-16);
}

.solution__infographic {
  position: relative;
  margin: 0 auto;
  max-width: 1000px;
}

.solution__infographic-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.solution__features {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .solution__features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.solution__feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .solution__feature {
    align-items: center;
    text-align: center;
  }
}

.solution__feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-xl);
  flex-shrink: 0;
}

.solution__feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.solution__feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}

.solution__feature-text {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
  padding: var(--space-20) 0;
  background: var(--color-gray-950);
  color: var(--color-white);
}

.how-it-works .section__eyebrow {
  color: var(--color-primary-light);
}

.how-it-works .section__title {
  color: var(--color-white);
}

.steps {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  counter-reset: steps;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
  }
}

.steps__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-2xl);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.steps__item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.steps__number {
  position: absolute;
  top: calc(var(--space-3) * -1);
  left: var(--space-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
}

.steps__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
}

.steps__icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary-light);
}

.steps__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.steps__text {
  font-size: var(--font-size-base);
  color: var(--color-gray-400);
  line-height: var(--line-height-relaxed);
}

.how-it-works__device {
  display: flex;
  justify-content: center;
}

.how-it-works__device-img {
  max-width: 500px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.5));
}

.how-it-works__device--full-width .how-it-works__device-img {
  max-width: 100%;
}

/* --------------------------------------------------------------------------
   Benefits Section
   -------------------------------------------------------------------------- */
.benefits {
  padding: var(--space-20) 0;
  background: var(--color-white);
}

.benefits__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.benefits__card {
  padding: var(--space-8);
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

@media (prefers-reduced-motion: reduce) {
  .benefits__card:hover {
    transform: none;
  }
}

.benefits__card--highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border: none;
  color: var(--color-white);
}

.benefits__card--highlight .benefits__icon {
  background: rgba(255, 255, 255, 0.2);
}

.benefits__card--highlight .benefits__icon svg {
  color: var(--color-white);
}

.benefits__card--highlight .benefits__title {
  color: var(--color-white);
}

.benefits__card--highlight .benefits__text {
  color: rgba(255, 255, 255, 0.85);
}

.benefits__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.benefits__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.benefits__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.benefits__text {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Platforms Section
   -------------------------------------------------------------------------- */
.platforms {
  padding: var(--space-20) 0;
  background: var(--color-gray-50);
}

.platforms__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .platforms__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.platforms__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

@media (prefers-reduced-motion: reduce) {
  .platforms__item:hover {
    transform: none;
  }
}

.platforms__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

.platforms__icon svg {
  width: 36px;
  height: 36px;
  color: var(--color-gray-700);
}

.platforms__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Guide Integration Section
   -------------------------------------------------------------------------- */
.guide {
  padding: var(--space-20) 0;
  background: var(--color-white);
}

.guide__layout {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .guide__layout {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
  }
}

.guide__content {
  order: 2;
}

@media (min-width: 1024px) {
  .guide__content {
    order: 1;
  }
}

.guide__text {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  margin-top: var(--space-4);
}

.guide__features {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.guide__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
}

.guide__feature svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.guide__visual {
  order: 1;
}

@media (min-width: 1024px) {
  .guide__visual {
    order: 2;
  }
}

.guide__screen {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  background: var(--color-gray-900);
  padding: var(--space-3);
}

.guide__screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
  background: var(--color-gray-800);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
}

.guide__img {
  border-radius: var(--radius-md);
  margin-top: 20px;
}

/* --------------------------------------------------------------------------
   Mobility Section
   -------------------------------------------------------------------------- */
.mobility {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-950) 100%);
  color: var(--color-white);
}

.mobility .section__eyebrow {
  color: var(--color-primary-light);
}

.mobility .section__title {
  color: var(--color-white);
}

.mobility__layout {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .mobility__layout {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-16);
  }
}

.mobility__visual {
  position: relative;
}

.mobility__img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
}

.mobility__text {
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  line-height: var(--line-height-relaxed);
  margin-top: var(--space-4);
}

.mobility__highlight {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-300);
}

.mobility__highlight strong {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Specs Section
   -------------------------------------------------------------------------- */
.specs {
  padding: var(--space-20) 0;
  background: var(--color-gray-50);
}

.specs__wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.specs__accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.specs__group {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.specs__group[open] {
  border-color: var(--color-primary);
}

.specs__group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.specs__group-header:hover {
  background: var(--color-gray-50);
}

.specs__group-header::-webkit-details-marker {
  display: none;
}

.specs__group-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}

.specs__group-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.specs__group-icon::before,
.specs__group-icon::after {
  content: '';
  position: absolute;
  background: var(--color-gray-500);
  border-radius: 1px;
  transition: transform var(--transition-base);
}

.specs__group-icon::before {
  top: 50%;
  left: 4px;
  right: 4px;
  height: 2px;
  transform: translateY(-50%);
}

.specs__group-icon::after {
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 2px;
  transform: translateX(-50%);
}

.specs__group[open] .specs__group-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.specs__group-content {
  padding: 0 var(--space-6) var(--space-5);
}

.specs__table {
  width: 100%;
  border-collapse: collapse;
}

.specs__table th,
.specs__table td {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
  text-align: left;
}

.specs__table tr:last-child th,
.specs__table tr:last-child td {
  border-bottom: none;
}

.specs__table th {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  width: 40%;
}

.specs__table td {
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
}

.specs__note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.specs__note svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

.cta__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 1;
}

.cta__content {
  text-align: center;
}

.cta__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

.cta__text {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-4);
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

.cta__buttons {
  margin-top: var(--space-8);
}

.cta .btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta .btn--primary:hover {
  background: var(--color-gray-100);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-12) 0;
  background: var(--color-gray-950);
  color: var(--color-gray-400);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer__container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

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

.footer__logo {
  height: 24px;
  width: auto;
  filter: brightness(0.9);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer__nav a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

@media (min-width: 768px) {
  .footer__copyright {
    order: -1;
    flex-basis: 100%;
    text-align: center;
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-800);
  }

  .footer__container {
    flex-wrap: wrap;
  }
}