/* ============================================
   VividMind Softwares — Modern Stylesheet
   Part of the DeeZipa Enterprises ecosystem
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --vm-color-bg: #0a0a0f;
  --vm-color-bg-alt: #111118;
  --vm-color-bg-card: #16161f;
  --vm-color-bg-card-hover: #1c1c28;
  --vm-color-surface: #1e1e2a;
  --vm-color-border: rgba(255, 255, 255, 0.06);
  --vm-color-border-light: rgba(255, 255, 255, 0.1);

  --vm-color-text: #e8e8ed;
  --vm-color-text-muted: #8a8a9a;
  --vm-color-text-dim: #5a5a6a;

  --vm-color-accent: #6c5ce7;
  --vm-color-accent-light: #a29bfe;
  --vm-color-accent-glow: rgba(108, 92, 231, 0.15);
  --vm-color-accent-glow-strong: rgba(108, 92, 231, 0.3);

  --vm-color-success: #00cec9;
  --vm-color-success-glow: rgba(0, 206, 201, 0.15);

  /* Typography */
  --vm-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --vm-font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --vm-section-padding: 120px;
  --vm-section-padding-mobile: 72px;
  --vm-container-max: 1200px;
  --vm-container-padding: 24px;

  /* Transitions */
  --vm-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --vm-transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --vm-transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

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

/* --- Reset & Base --- */
*, *::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(--vm-font-primary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--vm-color-text);
  background-color: var(--vm-color-bg);
  overflow-x: hidden;
}

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

a {
  color: var(--vm-color-accent-light);
  text-decoration: none;
  transition: color var(--vm-transition-fast);
}

a:hover {
  color: var(--vm-color-accent);
}

a:focus-visible {
  outline: 2px solid var(--vm-color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--vm-color-accent-glow-strong);
  color: #fff;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--vm-transition-slow), transform var(--vm-transition-slow);
}

.reveal.visible {
  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; }

/* --- Header --- */
.vm-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--vm-transition-medium), padding var(--vm-transition-medium),
              backdrop-filter var(--vm-transition-medium);
}

.vm-header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid var(--vm-color-border);
}

.vm-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vm-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--vm-color-text);
  letter-spacing: -0.02em;
}

.vm-logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--vm-color-accent), var(--vm-color-accent-light));
  border-radius: var(--vm-radius-sm);
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0;
}

.vm-logo span {
  color: var(--vm-color-text-dim);
  font-weight: 400;
}

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

.vm-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--vm-color-text-muted);
  transition: color var(--vm-transition-fast);
  position: relative;
}

.vm-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--vm-color-accent);
  transition: width var(--vm-transition-fast);
}

.vm-nav a:hover {
  color: var(--vm-color-text);
}

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

.vm-nav a:focus-visible {
  outline-offset: 6px;
}

.vm-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--vm-color-accent);
  border: none;
  border-radius: var(--vm-radius-sm);
  cursor: pointer;
  transition: background var(--vm-transition-fast), transform var(--vm-transition-fast),
              box-shadow var(--vm-transition-fast);
}

.vm-header-cta:hover {
  background: var(--vm-color-accent-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--vm-color-accent-glow);
}

/* Mobile Menu Toggle */
.vm-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.vm-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--vm-color-text);
  border-radius: 2px;
  transition: transform var(--vm-transition-fast), opacity var(--vm-transition-fast);
}

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

.vm-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* --- Hero --- */
.vm-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  overflow: hidden;
}

.vm-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--vm-color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.vm-hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--vm-color-success-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.vm-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--vm-color-accent-light);
  background: var(--vm-color-accent-glow);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 100px;
  margin-bottom: 32px;
}

.vm-hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--vm-color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.vm-hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
  max-width: 800px;
}

.vm-hero h1 .vm-highlight {
  background: linear-gradient(135deg, var(--vm-color-accent), var(--vm-color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vm-hero-description {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
  color: var(--vm-color-text-muted);
  max-width: 580px;
  margin-bottom: 44px;
}

.vm-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.vm-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--vm-color-accent);
  border: none;
  border-radius: var(--vm-radius-sm);
  cursor: pointer;
  transition: all var(--vm-transition-fast);
  text-decoration: none;
}

.vm-btn-primary:hover {
  background: var(--vm-color-accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--vm-color-accent-glow-strong);
}

.vm-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  color: var(--vm-color-text-muted);
  background: transparent;
  border: 1px solid var(--vm-color-border-light);
  border-radius: var(--vm-radius-sm);
  cursor: pointer;
  transition: all var(--vm-transition-fast);
  text-decoration: none;
}

.vm-btn-secondary:hover {
  color: var(--vm-color-text);
  border-color: var(--vm-color-text-dim);
  background: var(--vm-color-bg-card);
}

.vm-hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--vm-color-border);
}

.vm-hero-stat h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--vm-color-text);
  letter-spacing: -0.02em;
}

.vm-hero-stat p {
  font-size: 13px;
  color: var(--vm-color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* --- Sections Common --- */
.vm-section {
  padding: var(--vm-section-padding) 0;
  position: relative;
}

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

.vm-section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--vm-color-accent-light);
  margin-bottom: 16px;
}

.vm-section-label::before {
  content: '';
  width: 20px;
  height: 1.5px;
  background: var(--vm-color-accent);
}

.vm-section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.vm-section-subtitle {
  font-size: 17px;
  color: var(--vm-color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* --- About Section --- */
.vm-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 56px;
}

.vm-about-visual {
  position: relative;
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 48px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vm-about-code-block {
  font-family: var(--vm-font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: var(--vm-color-text-muted);
}

.vm-about-code-block .vm-code-comment {
  color: var(--vm-color-text-dim);
}

.vm-about-code-block .vm-code-keyword {
  color: var(--vm-color-accent-light);
}

.vm-about-code-block .vm-code-string {
  color: var(--vm-color-success);
}

.vm-about-code-block .vm-code-bracket {
  color: var(--vm-color-text-dim);
}

.vm-about-text h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.vm-about-text p {
  color: var(--vm-color-text-muted);
  margin-bottom: 20px;
  line-height: 1.75;
}

.vm-about-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.vm-about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--vm-color-text-muted);
}

.vm-about-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--vm-color-accent-glow);
  border-radius: var(--vm-radius-sm);
  flex-shrink: 0;
}

.vm-about-feature-icon svg {
  width: 14px;
  height: 14px;
  stroke: var(--vm-color-accent-light);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Capabilities Section --- */
.vm-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.vm-capability-card {
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 36px 32px;
  transition: all var(--vm-transition-medium);
  position: relative;
  overflow: hidden;
}

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

.vm-capability-card:hover {
  background: var(--vm-color-bg-card-hover);
  border-color: var(--vm-color-border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.vm-capability-card:hover::before {
  opacity: 1;
}

.vm-capability-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--vm-color-accent-glow);
  border-radius: var(--vm-radius-md);
  margin-bottom: 24px;
}

.vm-capability-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--vm-color-accent-light);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.vm-capability-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.vm-capability-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--vm-color-text-muted);
}

/* --- Principles Section (Quality + Communication) --- */
.vm-principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.vm-principle-card {
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 40px 36px;
  transition: all var(--vm-transition-medium);
}

.vm-principle-card:hover {
  border-color: var(--vm-color-border-light);
}

.vm-principle-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--vm-color-accent-glow-strong);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.vm-principle-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.vm-principle-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--vm-color-text-muted);
}

/* --- Technology Section --- */
.vm-tech-wrapper {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.vm-tech-main {
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 48px;
}

.vm-tech-main h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.vm-tech-main p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--vm-color-text-muted);
  margin-bottom: 24px;
}

.vm-tech-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.vm-tech-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--vm-color-text-muted);
}

.vm-tech-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--vm-color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.vm-tech-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.vm-tech-stat {
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 32px 28px;
  text-align: center;
  flex: 1;
}

.vm-tech-stat h4 {
  font-size: 32px;
  font-weight: 800;
  color: var(--vm-color-accent-light);
  letter-spacing: -0.02em;
}

.vm-tech-stat p {
  font-size: 13px;
  color: var(--vm-color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
}

/* --- Ecosystem Section --- */
.vm-ecosystem {
  text-align: center;
}

.vm-ecosystem-visual {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.vm-ecosystem-node {
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 36px 48px;
  text-align: center;
  transition: all var(--vm-transition-medium);
}

.vm-ecosystem-node:hover {
  border-color: var(--vm-color-accent-glow-strong);
}

.vm-ecosystem-node h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.vm-ecosystem-node p {
  font-size: 14px;
  color: var(--vm-color-text-muted);
}

.vm-ecosystem-node.vm-ecosystem-primary {
  border-color: var(--vm-color-accent-glow-strong);
  background: linear-gradient(135deg, var(--vm-color-bg-card), var(--vm-color-accent-glow));
}

.vm-ecosystem-arrow {
  color: var(--vm-color-text-dim);
  font-size: 24px;
  flex-shrink: 0;
}

/* --- Contact Section --- */
.vm-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 56px;
}

.vm-contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.vm-contact-item {
  display: flex;
  gap: 16px;
}

.vm-contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--vm-color-accent-glow);
  border-radius: var(--vm-radius-md);
  flex-shrink: 0;
}

.vm-contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--vm-color-accent-light);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.vm-contact-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.vm-contact-item p {
  font-size: 14px;
  color: var(--vm-color-text-muted);
  line-height: 1.6;
}

.vm-contact-form-wrapper {
  background: var(--vm-color-bg-card);
  border: 1px solid var(--vm-color-border);
  border-radius: var(--vm-radius-lg);
  padding: 40px;
}

.vm-contact-form-wrapper h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.vm-contact-form-wrapper > p {
  font-size: 14px;
  color: var(--vm-color-text-muted);
  margin-bottom: 28px;
}

.vm-form-group {
  margin-bottom: 20px;
}

.vm-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--vm-color-text-muted);
  margin-bottom: 8px;
}

.vm-form-group input,
.vm-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--vm-font-primary);
  color: var(--vm-color-text);
  background: var(--vm-color-surface);
  border: 1px solid var(--vm-color-border-light);
  border-radius: var(--vm-radius-sm);
  outline: none;
  transition: border-color var(--vm-transition-fast), box-shadow var(--vm-transition-fast);
}

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

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

.vm-form-submit {
  width: 100%;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--vm-font-primary);
  color: #fff;
  background: var(--vm-color-accent);
  border: none;
  border-radius: var(--vm-radius-sm);
  cursor: pointer;
  transition: all var(--vm-transition-fast);
}

.vm-form-submit:hover {
  background: var(--vm-color-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--vm-color-accent-glow);
}

.vm-form-submit:focus-visible {
  outline: 2px solid var(--vm-color-accent);
  outline-offset: 3px;
}

.vm-form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* --- Form Status Messages --- */
.vm-form-status {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
  padding: 0;
  min-height: 0;
  transition: all var(--vm-transition-fast);
}

.vm-form-status:empty {
  display: none;
}

.vm-form-status--success {
  color: var(--vm-color-success);
  padding: 12px 16px;
  background: var(--vm-color-success-glow);
  border-radius: var(--vm-radius-sm);
}

.vm-form-status--error {
  color: #ff6b6b;
  padding: 12px 16px;
  background: rgba(255, 107, 107, 0.1);
  border-radius: var(--vm-radius-sm);
}

/* --- Footer --- */
.vm-footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--vm-color-border);
}

.vm-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.vm-footer-brand p {
  font-size: 14px;
  color: var(--vm-color-text-muted);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}

.vm-footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vm-color-text-dim);
  margin-bottom: 16px;
}

.vm-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vm-footer-col a {
  font-size: 14px;
  color: var(--vm-color-text-muted);
  transition: color var(--vm-transition-fast);
}

.vm-footer-col a:hover {
  color: var(--vm-color-text);
}

.vm-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--vm-color-border);
}

.vm-footer-bottom p {
  font-size: 13px;
  color: var(--vm-color-text-dim);
}

.vm-footer-bottom a {
  color: var(--vm-color-text-muted);
  font-weight: 500;
}

.vm-footer-bottom a:hover {
  color: var(--vm-color-text);
}

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

@media (max-width: 1024px) {
  .vm-about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .vm-tech-wrapper {
    grid-template-columns: 1fr;
  }

  .vm-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --vm-section-padding: 80px;
    --vm-section-padding-mobile: 56px;
  }

  .vm-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }

  .vm-nav.open {
    display: flex;
  }

  .vm-nav a {
    font-size: 18px;
    color: var(--vm-color-text);
  }

  .vm-header-cta {
    display: none;
  }

  .vm-menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .vm-hero {
    min-height: auto;
    padding: 120px 0 72px;
  }

  .vm-hero h1 {
    font-size: clamp(32px, 8vw, 48px);
  }

  .vm-hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .vm-capabilities-grid {
    grid-template-columns: 1fr;
  }

  .vm-principles-grid {
    grid-template-columns: 1fr;
  }

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

  .vm-ecosystem-visual {
    flex-direction: column;
    gap: 16px;
  }

  .vm-ecosystem-arrow {
    transform: rotate(90deg);
  }

  .vm-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .vm-tech-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .vm-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .vm-btn-primary,
  .vm-btn-secondary {
    justify-content: center;
  }

  .vm-contact-form-wrapper {
    padding: 28px 20px;
  }
}

/* --- Privacy Policy Page --- */
.vm-privacy-hero {
  padding: 160px 0 64px;
  text-align: center;
}

.vm-privacy-hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.vm-privacy-hero .vm-section-subtitle {
  margin: 0 auto;
}

.vm-privacy-content {
  padding: 0 0 var(--vm-section-padding);
}

.vm-privacy-content .container {
  max-width: 800px;
}

.vm-privacy-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
}

.vm-privacy-content h2:first-child {
  margin-top: 0;
}

.vm-privacy-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--vm-color-text-muted);
  margin-bottom: 16px;
}

.vm-privacy-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.vm-privacy-content li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--vm-color-text-muted);
  margin-bottom: 8px;
}

.vm-privacy-content a {
  color: var(--vm-color-accent-light);
}

.vm-privacy-updated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--vm-color-accent-glow);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--vm-color-accent-light);
  margin-bottom: 32px;
}

/* Back to top */
.vm-back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--vm-color-accent);
  color: #fff;
  border: none;
  border-radius: var(--vm-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--vm-transition-fast);
  z-index: 900;
}

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

.vm-back-to-top:hover {
  background: var(--vm-color-accent-light);
  transform: translateY(-2px);
}

.vm-back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}