:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--color-primary-hover);
}

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

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

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

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
}

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-secondary);
}

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

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

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

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

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

/* Accessibility */
.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;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

:root {
  /* VPN Black-Green Color Scheme */
  --color-background: #000000;
  --color-surface: #1a1a1a;
  --color-text: #ffffff;
  --color-text-secondary: #b0b0b0;
  --color-primary: #00ff88;
  --color-primary-hover: #00e579;
  --color-primary-active: #00cc6a;
  --color-secondary: rgba(255, 255, 255, 0.1);
  --color-secondary-hover: rgba(255, 255, 255, 0.15);
  --color-secondary-active: rgba(255, 255, 255, 0.2);
  --color-border: rgba(0, 255, 136, 0.3);
  --color-btn-primary-text: #000000;
  --color-card-border: rgba(0, 255, 136, 0.2);
  --color-card-border-inner: rgba(255, 255, 255, 0.1);
  --color-error: #ff4757;
  --color-success: #00ff88;
  --color-warning: #ffa502;
  --color-info: #70a1ff;
  --color-focus-ring: rgba(0, 255, 136, 0.4);

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 48px;
  --font-size-4xl: 64px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.02em;

  /* Spacing */
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;
  --space-96: 96px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-base: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows & Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.4);
  --shadow-glow-strong: 0 0 40px rgba(0, 255, 136, 0.6);
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-inset-light: inset 0 1px 2px rgba(255, 255, 255, 0.1);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: radial-gradient(ellipse at center, rgba(0, 255, 136, 0.05) 0%, var(--color-background) 70%);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-16);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-32);
  }
}

/* Typography */
.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-64);
  letter-spacing: var(--letter-spacing-tight);
  background: linear-gradient(135deg, var(--color-primary), #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  border-radius: var(--radius-full);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-32);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: 2px solid transparent;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--duration-slow) var(--ease-standard);
}

.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: var(--color-btn-primary-text);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary));
  box-shadow: var(--shadow-lg), var(--shadow-glow-strong);
  transform: translateY(-3px) scale(1.02);
}

.btn--primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn--outline {
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-primary);
  border-color: var(--color-primary);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-inset), var(--shadow-sm);
}

.btn--outline:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: var(--color-btn-primary-text);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-3px) scale(1.02);
}

.btn--hero {
  padding: var(--space-20) var(--space-48);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

.btn--tariff {
  width: 100%;
  padding: var(--space-16) var(--space-24);
  margin-top: auto;
}

/* Hero Section */
.hero {
  padding: var(--space-96) 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
    var(--color-background);
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(0, 255, 136, 0.03) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(0, 255, 136, 0.03) 50%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-64);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  text-align: center;
}

.hero__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-24);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text);
  text-shadow: 0 0 40px rgba(0, 255, 136, 0.3);
}

.hero__title--highlight {
    color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-48);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero__buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-16);
  flex-wrap: wrap;
}

@media (min-width: 1024px) {
  .hero .container {
    grid-template-columns: 2fr 1fr;
  }
  
  .hero__content {
    text-align: left;
  }
  
  .hero__title {
    font-size: var(--font-size-4xl);
  }
  
  .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
    font-size: var(--font-size-xl);
  }
  .hero__buttons {
    justify-content: flex-start;
  }
}

/* VPN Shield Animation */
.hero__decoration {
  display: flex;
  justify-content: center;
  align-items: center;
}

.vpn-shield {
  position: relative;
  width: 250px;
  height: 250px;
}

.shield-outer {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary), transparent, var(--color-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rotate 20s linear infinite;
  box-shadow: 
    0 0 40px rgba(0, 255, 136, 0.4),
    inset 0 0 40px rgba(0, 255, 136, 0.1);
}

.shield-inner {
  width: 85%;
  height: 85%;
  background: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-primary);
  animation: pulse 3s ease-in-out infinite;
}

.shield-core {
  color: var(--color-primary);
  animation: float 3s ease-in-out infinite;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 
      0 0 20px rgba(0, 255, 136, 0.3),
      inset 0 0 20px rgba(0, 255, 136, 0.1);
  }
  50% {
    box-shadow: 
      0 0 60px rgba(0, 255, 136, 0.6),
      inset 0 0 30px rgba(0, 255, 136, 0.2);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Benefits Section */
.benefits {
  padding: var(--space-96) 0;
  background: var(--color-surface);
  position: relative;
}

.benefits::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 70% 30%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(0, 255, 136, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.benefits__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.benefit-card {
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-48) var(--space-32);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: 
    var(--shadow-md),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.benefit-card:hover {
  border-color: var(--color-primary);
  box-shadow: 
    var(--shadow-lg), 
    var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-8px) rotateY(5deg);
}

.benefit-card:hover::before {
  opacity: 1;
}

.benefit-card__icon {
  margin-bottom: var(--space-24);
  position: relative;
  z-index: 1;
}

.benefit-card__icon .icon {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.5));
}

.benefit-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.benefit-card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  line-height: 1.6;
}

/* Tariffs Section */
.tariffs {
  padding: var(--space-96) 0;
  background: var(--color-background);
  position: relative;
}

.tariffs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(0, 255, 136, 0.02) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(0, 255, 136, 0.02) 50%, transparent 70%);
  pointer-events: none;
}

.tariffs__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .tariffs__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tariffs__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tariff-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  position: relative;
  transition: all var(--duration-normal) var(--ease-standard);
  backdrop-filter: blur(15px);
  box-shadow: 
    var(--shadow-md),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
}

.tariff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-standard);
  border-radius: var(--radius-xl);
}

.tariff-card:hover {
  border-color: var(--color-primary);
  box-shadow: 
    var(--shadow-lg), 
    var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-8px) scale(1.02);
}

.tariff-card:hover::before {
  opacity: 1;
}

.tariff-card--popular {
  border-color: var(--color-primary);
  box-shadow: 
    var(--shadow-lg), 
    var(--shadow-glow);
  transform: scale(1.05);
}

.tariff-card--popular::before {
  opacity: 1;
}

.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: var(--color-btn-primary-text);
  padding: var(--space-8) var(--space-24);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-md);
}

.tariff-card__header {
  text-align: center;
  margin-bottom: var(--space-32);
  position: relative;
  z-index: 1;
}

.tariff-card__name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-16);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.tariff-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-8);
}

.price {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary), #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.period {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.tariff-card__features {
  margin-bottom: var(--space-32);
  flex: 1;
  position: relative;
  z-index: 1;
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
  padding: var(--space-12);
  border-radius: var(--radius-base);
  transition: all var(--duration-fast) var(--ease-standard);
  background: rgba(255, 255, 255, 0.03);
}

.feature:hover {
  background: rgba(0, 255, 136, 0.1);
  transform: translateX(4px);
}

.feature__icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  filter: drop-shadow(0 0 5px rgba(0, 255, 136, 0.5));
}

.feature__text {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
}

/* Contact Section */
.contact {
  padding: var(--space-96) 0;
  background: var(--color-surface);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .contact__content {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  transition: all var(--duration-normal) var(--ease-standard);
  backdrop-filter: blur(10px);
  box-shadow: 
    var(--shadow-md),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.contact__item:hover {
  border-color: var(--color-primary);
  box-shadow: 
    var(--shadow-lg), 
    var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-4px) scale(1.02);
}

.contact__icon {
  color: var(--color-primary);
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.5));
}

.contact__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.contact__link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-standard);
}

.contact__link:hover {
  color: var(--color-primary-hover);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

/* Animation classes for AOS */
[data-aos] {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard), transform var(--duration-slow) var(--ease-standard);
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

/* Mobile responsive adjustments */
@media (max-width: 767px) {
  .hero {
    padding: var(--space-64) 0;
    min-height: auto;
  }
  
  .hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-md);
  }
  
  .benefits, .tariffs, .contact {
    padding: var(--space-64) 0;
  }
  
  .tariff-card--popular {
    transform: none;
  }
  
  .contact__item {
    flex-direction: column;
    text-align: center;
  }
  
  .btn--hero {
    padding: var(--space-16) var(--space-32);
    font-size: var(--font-size-md);
  }
  
  .vpn-shield {
    width: 200px;
    height: 200px;
  }
  
   .hero .hero__decoration {
    display: none !important;
  }

  /* 2. Настраиваем контейнер для кнопок: вертикально, по центру */
  .hero__buttons {
    display: flex;
    flex-direction: column; /* Ставим элементы друг под другом */
    align-items: center;   /* Выравниваем по центру */
    gap: 15px;             /* Расстояние между кнопками */
    width: 100%;           /* Контейнер занимает всю доступную ширину */
  }

  /* 3. Делаем обе кнопки широкими и одинаковыми */
  .hero__buttons .btn {
    width: 100%;           /* Растягиваем каждую кнопку на всю ширину контейнера */
    max-width: 400px;      /* Ограничиваем макс. ширину, чтобы на планшетах не было слишком широко */
    margin: 0;
    box-sizing: border-box; /* Чтобы padding не влиял на итоговую ширину */
  }
  
}

/* Стили для самих кнопок */
.hero__buttons .btn {
  width: 90%; /* Задаем ширину для мобильных */
  max-width: 300px; /* Ограничиваем максимальную ширину */
  margin: 0;
}


/* А теперь магия: для экранов шире 500px ставим их в ряд */
@media (min-width: 500px) {
  .hero__buttons {
    flex-direction: row; /* Возвращаем в строку */
    justify-content: center;
  }
  
  .hero__buttons .btn {
    width: auto; /* Ширина по содержимому */
  }
}

/* Loading animation */
@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.loading {
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.2), transparent);
  background-size: 200px 100%;
  animation: shimmer 1.6s infinite;
}

/* Smooth scrolling enhancement */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

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

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.5);
}

/* Font loading */
@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2') format('woff2');
  font-display: swap;
}

@media (min-width: 1024px) {
  .hero__buttons {
    justify-content: flex-start !important; /* Выравнивание по левому краю с приоритетом */
    padding-left: 0;
    margin-left: 0;
  }
}