/* ===========================
   EAZEONIX — Design System
   ========================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --color-accent: #6C5CE7;
  --color-accent-light: #A29BFE;
  --color-accent-dark: #5A4BD1;
  --color-accent-glow: rgba(108, 92, 231, 0.15);
  --color-accent-subtle: rgba(108, 92, 231, 0.06);

  /* Neutrals */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F9FC;
  --color-bg-dark: #0B0D17;
  --color-bg-card: #FFFFFF;
  --color-surface: #F1F3F8;
  --color-border: rgba(0, 0, 0, 0.06);
  --color-border-strong: rgba(0, 0, 0, 0.10);

  /* Text */
  --color-text-primary: #0B0D17;
  --color-text-secondary: #4A4E69;
  --color-text-muted: #8B8FA3;
  --color-text-inverse: #FFFFFF;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* Line Heights */
  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-accent: 0 8px 30px rgba(108, 92, 231, 0.20);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --nav-height: 72px;
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-5xl) 0;
}

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

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-heading {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.section-subtext {
  font-size: var(--font-size-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  max-width: 600px;
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===========================
   NAVIGATION
   ========================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
}

.navbar__brand-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: var(--font-size-sm);
}

.navbar__brand-svg {
  height: 38px;
  width: auto;
  display: block;
}

.footer__brand-svg {
  height: 34px;
  width: auto;
  display: block;
  margin-bottom: var(--space-md);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

.navbar__link:hover {
  color: var(--color-text-primary);
}

.navbar__link:hover::after {
  width: 100%;
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.navbar__cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.navbar__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.navbar__mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFFFFF;
  flex-direction: column;
  padding: var(--space-2xl) var(--space-xl);
  gap: var(--space-sm);
  z-index: 9999;
  display: flex;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.navbar__mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.navbar__mobile-link {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  padding: var(--space-md) 0;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}

.navbar__mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-top: var(--space-lg);
  transition: background var(--transition-fast);
}

/* ===========================
   BUTTONS
   ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  padding: 14px 32px;
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-base);
}

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

.btn--secondary {
  padding: 14px 32px;
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  border: 1.5px solid var(--color-border-strong);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--ghost {
  padding: 10px 20px;
  background: rgba(108, 92, 231, 0.08);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
}

.btn--ghost:hover {
  background: rgba(108, 92, 231, 0.15);
}

.btn--white {
  padding: 14px 32px;
  background: white;
  color: var(--color-accent);
  font-size: var(--font-size-base);
}

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

.btn--outline-white {
  padding: 14px 32px;
  background: transparent;
  color: white;
  font-size: var(--font-size-base);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

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

.btn-arrow {
  transition: transform var(--transition-fast);
}

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

/* ===========================
   HERO SECTION
   ========================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: var(--color-bg);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero__content {
  padding: var(--space-3xl) 0;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(108, 92, 231, 0.12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
}

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

.hero__description {
  font-size: var(--font-size-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Hero Visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
}

.hero__image {
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 20px 50px rgba(108, 92, 231, 0.15));
  animation: hero-float 6s ease-in-out infinite;
}

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

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

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Hero Background Gradient */
.hero__bg-gradient {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ===========================
   COMPANY INTRO
   ========================= */
.intro__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.intro-card {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-slow),
              box-shadow var(--transition-slow),
              border-color var(--transition-slow);
}

.intro-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 92, 231, 0.15);
}

.intro-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-xl);
}

.intro-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.intro-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===========================
   PRODUCTS SECTION
   ========================= */
.product-showcase {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: var(--space-3xl);
  transition: box-shadow var(--transition-slow);
}

.product-showcase:hover {
  box-shadow: var(--shadow-xl);
}

.product-showcase__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-showcase__content {
  padding: var(--space-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-showcase__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.product-showcase__label-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.product-showcase__badge {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(108, 92, 231, 0.12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  width: fit-content;
}

.product-showcase__name {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.product-showcase__desc {
  font-size: var(--font-size-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.product-showcase__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-xl);
}

.product-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.product-feature__check {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border-radius: 50%;
  flex-shrink: 0;
}

.product-feature__check svg {
  width: 10px;
  height: 10px;
  stroke: var(--color-accent);
}

.product-showcase__image {
  background: linear-gradient(135deg, #F0EEFF 0%, #E8E5FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.product-showcase__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}

.product-showcase__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 80%, rgba(108, 92, 231, 0.1) 0%, transparent 60%);
}

/* ===========================
   FUTURE PRODUCTS
   ========================= */
.future-products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.future-card {
  padding: var(--space-2xl);
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--transition-base),
              background var(--transition-base);
}

.future-card:hover {
  border-color: var(--color-accent-light);
  background: var(--color-accent-subtle);
}

.future-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-lg);
  font-size: 1.5rem;
  color: var(--color-text-muted);
}

.future-card__label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.future-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===========================
   APPROACH
   ========================= */
.approach__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  position: relative;
}

.approach__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg,
    var(--color-accent-glow) 0%,
    var(--color-accent-light) 50%,
    var(--color-accent-glow) 100%
  );
  z-index: 0;
}

.approach-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.approach-step__number {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-accent);
  transition: background var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base);
}

.approach-step:hover .approach-step__number {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-accent);
}

.approach-step__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.approach-step__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===========================
   TECHNOLOGY
   ========================= */
.tech__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-3xl);
}

.tech-item {
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-slow);
}

.tech-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateY(-4px);
}

.tech-item__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-accent-light);
  font-size: 1.25rem;
}

.tech-item__name {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.tech-item__desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: var(--leading-relaxed);
}

/* Tech animated visual */
.tech__visual {
  position: relative;
  height: 300px;
  margin-top: var(--space-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech__visual-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ===========================
   VISION
   ========================= */
.vision {
  position: relative;
  padding: var(--space-5xl) 0;
  overflow: hidden;
}

.vision__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #F8F7FF 0%, #F0EEFF 50%, #F8F9FC 100%);
  z-index: 0;
}

.vision__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.vision__heading {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  line-height: var(--leading-tight);
}

.vision__text {
  font-size: var(--font-size-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.vision__decoration {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(108, 92, 231, 0.08);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

.vision__decoration:nth-child(2) {
  width: 600px;
  height: 600px;
  border-color: rgba(108, 92, 231, 0.04);
}

.vision__decoration:nth-child(3) {
  width: 800px;
  height: 800px;
  border-color: rgba(108, 92, 231, 0.02);
}

/* ===========================
   ABOUT
   ========================= */
.about__content {
  max-width: 700px;
}

.about__text {
  font-size: var(--font-size-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.about__text + .about__text {
  margin-top: var(--space-lg);
}

/* ===========================
   CTA SECTION
   ========================= */
.cta-section {
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.cta-section__inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-section__heading {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: white;
  margin-bottom: var(--space-lg);
  line-height: var(--leading-tight);
}

.cta-section__text {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-2xl);
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

.cta-section__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* ===========================
   CONTACT
   ========================= */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.contact__grid--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.contact-item {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition-slow),
              box-shadow var(--transition-slow);
}

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

.contact-item__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-lg);
  color: var(--color-accent);
}

.contact-item__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.contact-item__value {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-item__value a {
  color: var(--color-accent);
  font-weight: 500;
}

.contact-item__value a:hover {
  text-decoration: underline;
}

/* ===========================
   FOOTER
   ========================= */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
}

.footer__brand {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__brand-icon {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: var(--font-size-xs);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
  line-height: var(--leading-relaxed);
  max-width: 280px;
}

.footer__column-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
}

.footer__link {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent-light);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.3);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  background: rgba(108, 92, 231, 0.1);
}

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

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.75rem;
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero__content {
    text-align: center;
    padding: var(--space-2xl) 0 0;
  }

  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    min-height: 350px;
  }

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

  .product-showcase__inner {
    grid-template-columns: 1fr;
  }

  .product-showcase__image {
    min-height: 300px;
    order: -1;
  }

  .approach__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .approach__steps::before {
    display: none;
  }

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

  .future-products__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --space-5xl: 5rem;
    --space-4xl: 4rem;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .navbar__links,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .section-heading {
    font-size: var(--font-size-3xl);
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__visual {
    min-height: 280px;
  }

  .product-showcase__content {
    padding: var(--space-xl);
  }

  .product-showcase__features {
    grid-template-columns: 1fr;
  }

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

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

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.875rem;
    --font-size-4xl: 1.625rem;
    --font-size-3xl: 1.375rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-2xl);
  }
}