:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(255, 255, 255, 1);
  --color-cream-100: rgba(249, 250, 251, 1);
  --color-gray-200: rgba(243, 244, 246, 1);
  --color-gray-300: rgba(209, 213, 219, 1);
  --color-gray-400: rgba(156, 163, 175, 1);
  --color-slate-500: rgba(100, 116, 139, 1);
  --color-brown-600: rgba(36, 37, 61, 1); /* Primary blue */
  --color-charcoal-700: rgba(30, 31, 51, 1); /* Darker blue */
  --color-charcoal-800: rgba(24, 25, 41, 1); /* Even darker blue */
  --color-slate-900: rgba(36, 37, 61, 1); /* Primary blue for dark text */
  --color-teal-300: rgba(66, 67, 101, 1); /* Light blue */
  --color-teal-400: rgba(56, 57, 91, 1); /* Medium light blue */
  --color-teal-500: rgba(36, 37, 61, 1); /* Primary blue */
  --color-teal-600: rgba(30, 31, 51, 1); /* Medium dark blue */
  --color-teal-700: rgba(24, 25, 41, 1); /* Dark blue */
  --color-teal-800: rgba(18, 19, 31, 1); /* Very dark blue */
  --color-red-400: rgba(248, 113, 113, 1); /* Accent red */
  --color-red-500: rgba(239, 68, 68, 1); /* Strong red */
  --color-orange-400: rgba(251, 146, 60, 1); /* Accent orange */
  --color-orange-500: rgba(249, 115, 22, 1); /* Strong orange */

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 36, 37, 61;
  --color-teal-500-rgb: 36, 37, 61;
  --color-slate-900-rgb: 36, 37, 61;
  --color-slate-500-rgb: 100, 116, 139;
  --color-red-500-rgb: 239, 68, 68;
  --color-red-400-rgb: 248, 113, 113;
  --color-orange-500-rgb: 249, 115, 22;
  --color-orange-400-rgb: 251, 146, 60;

  /* Background color tokens (Light Mode) - White variants only */
  --color-bg-1: rgba(249, 250, 251, 1); /* Very light gray-white */
  --color-bg-2: rgba(243, 244, 246, 1); /* Light gray-white */
  --color-bg-3: rgba(248, 249, 250, 1); /* Off-white variant */
  --color-bg-4: rgba(252, 252, 253, 1); /* Almost white */
  --color-bg-5: rgba(245, 246, 247, 1); /* Light cream-white */
  --color-bg-6: rgba(250, 251, 252, 1); /* Pure white variant */
  --color-bg-7: rgba(247, 248, 249, 1); /* Subtle white-gray */
  --color-bg-8: rgba(253, 253, 254, 1); /* Near pure white */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-white);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-teal-500);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: rgba(24, 25, 41, 1); /* Dark blue for buttons */
  --color-primary-hover: rgba(18, 19, 31, 1); /* Darker blue for hover */
  --color-primary-active: rgba(12, 13, 21, 1); /* Even darker for active */
  --color-navbar-bg: rgba(255, 255, 255, 1); /* Always white navbar */
  --color-navbar-border: rgba(220, 220, 220, 0.3); /* Light gray navbar border */
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.06);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.1);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.15);
  --color-border: rgba(var(--color-brown-600-rgb), 0.15);
  --color-btn-primary-text: var(--color-white);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.1);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.08);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 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, 0.01);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.01);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.02),
    0 2px 4px -1px rgba(0, 0, 0, 0.01);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.02),
    0 4px 6px -2px rgba(0, 0, 0, 0.01);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.015);

  /* 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;
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 36, 37, 61;
  --color-teal-500-rgb: 36, 37, 61;
  --color-slate-900-rgb: 36, 37, 61;

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-white);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-teal-500);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: rgba(24, 25, 41, 1); /* Dark blue for buttons */
  --color-primary-hover: rgba(18, 19, 31, 1); /* Darker blue for hover */
  --color-primary-active: rgba(12, 13, 21, 1); /* Even darker for active */
  --color-navbar-bg: rgba(255, 255, 255, 1); /* Always white navbar */
  --color-navbar-border: rgba(220, 220, 220, 0.3); /* Light gray navbar border */
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.06);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.1);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.15);
  --color-border: rgba(var(--color-brown-600-rgb), 0.15);
  --color-btn-primary-text: var(--color-white);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.1);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.08);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* 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;
}

.project-image {
    margin: var(--space-16) 0;
    overflow: hidden;
    border-radius: var(--radius-base);
}

.project-img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform var(--duration-normal) var(--ease-standard);
}

.project-img:hover {
    transform: scale(1.02);
}

/* Ensure proper spacing in project content */
.project-content {
    padding: var(--space-24);
    display: flex;
    flex-direction: column;
}

/* Adjust project-links margin for better spacing */
.project-links {
    margin-top: var(--space-12);
}

/* CV Preview Image Styling */
.cv-preview {
    margin: var(--space-24) 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cv-image-link {
    display: block;
    text-decoration: none;
    border-radius: var(--radius-base);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all var(--duration-normal) var(--ease-standard);
    max-width: 180px; /* Reduced from 300px (60% of original) */
    width: 100%;
}

.cv-img {
    width: 100%;
    height: auto;
    aspect-ratio: 1655 / 2340; /* Your exact image ratio */
    object-fit: cover;
    display: block;
    transition: transform var(--duration-normal) var(--ease-standard);
}

.cv-image-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.cv-image-link:hover .cv-img {
    transform: scale(1.02);
}

.cv-image-link:focus {
    outline: 2px solid var(--color-teal-500);
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .cv-image-link {
        max-width: 150px; /* Reduced from 250px (60% of original) */
    }
}

@media (max-width: 480px) {
    .cv-image-link {
        max-width: 120px; /* Reduced from 200px (60% of original) */
    }
}

/* 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);
  font-weight: var(--font-weight-bold);
}

.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');
}

/* END PERPLEXITY DESIGN SYSTEM */
/* Override design system font with Poppins */
:root {
  --font-family-base: "Poppins", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Navigation */
.navbar {
  position: fixed;
  top: var(--space-20);
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  max-width: 600px;
  background-color: var(--color-navbar-bg) !important;
  backdrop-filter: blur(15px);
  border: 1px solid var(--color-navbar-border) !important;
  border-radius: var(--radius-full);
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-lg);
}

/* Ensure navbar is always white regardless of any other styles */
.navbar,
.navbar * {
  background: rgba(255, 255, 255, 1) !important;
}

.navbar * {
  background: transparent !important;
}

.nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-12) var(--space-24);
}

.nav-brand {
  display: none;
}

.nav-menu {
  display: flex;
  gap: var(--space-32);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--duration-fast) var(--ease-standard);
  position: relative;
}

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

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

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

/* Focus styles override - fix blue circle issue */
.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Dropdown Navigation */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
}

.dropdown-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.dropdown-icon {
  transition: transform var(--duration-fast) var(--ease-standard);
}

/* Icon rotation only when active - JavaScript controlled */
.nav-dropdown.active .dropdown-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background-color: var(--color-navbar-bg) !important;
    border: 1px solid var(--color-navbar-border) !important;
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-normal) var(--ease-standard);
    z-index: 1001;
}

/* Mostrar dropdown solo cuando tiene la clase active */
.nav-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--space-10) var(--space-16);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-fast) var(--ease-standard);
    white-space: nowrap;
    cursor: pointer;
}

.dropdown-item:hover,
.dropdown-item.active {
    background-color: var(--color-bg-1) !important;
    color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 3px 0;
  transition: all var(--duration-fast) var(--ease-standard);
}

/* Hero Section - Updated Layout */
.hero {
  padding: 120px 0 var(--space-32);
  background: 
    linear-gradient(90deg, 
      rgba(255, 255, 255, 0.9) 0%, 
      rgba(255, 255, 255, 0.7) 40%, 
      rgba(255, 255, 255, 0.3) 70%, 
      rgba(255, 255, 255, 0) 100%
    ),
    url('alvaro.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  max-width: 800px;
}

.hero-text {
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-16);
  color: var(--color-teal-500);
  font-weight: 700;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-16);
  font-weight: var(--font-weight-medium);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-32);
  line-height: var(--line-height-normal);
}

/* Fix focus ring issues globally */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Specific button focus styles */
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--color-teal-500-rgb), 0.4);
}

/* About Section */
.about {
    padding: var(--space-32) 0;
    background-color: var(--color-bg-2) !important; /* Light gray-white */
}

.about h2 {
  text-align: center;
  margin-bottom: var(--space-32);
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

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

.about-text p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-24);
  color: var(--color-text-secondary);
}

.skills-section {
  margin-top: var(--space-32);
}

.skills-section h3 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
  font-weight: 600;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(150px, 40vw, 300px), 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-32);
  max-width: calc(2 * 300px + var(--space-12));
  margin: 0 auto var(--space-32) auto;
}

.skill-item {
  background-color: var(--color-bg-1); /* Light white background */
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-base);
  text-align: center;
  font-weight: var(--font-weight-medium);
  border: 1px solid rgba(220, 220, 220, 0.5); /* Light gray border instead of blue */
}

.languages {
  display: flex;
  gap: var(--space-24);
  flex-wrap: wrap;
}

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

.language {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

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

/* Experience Section */
.experience {
    padding: var(--space-32) 0;
    background-color: var(--color-white) !important; /* Pure white */
}

.experience h2 {
  text-align: center;
  margin-bottom: var(--space-32);
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

.experience-section {
  margin-bottom: var(--space-32);
}

.experience-section h3 {
  margin-bottom: var(--space-24);
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

.experience-grid {
  display: grid;
  gap: var(--space-20);
}

.experience-card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
}

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

.experience-header {
  display: flex;
  gap: var(--space-16);
  align-items: flex-start;
}

.company-logo {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-base);
  flex-shrink: 0;
  object-fit: cover;
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
  display: block;
  transition: transform var(--duration-normal) var(--ease-standard);
}

.company-logo-link {
  display: inline-block;
  transition: transform var(--duration-normal) var(--ease-standard);
  cursor: pointer;
}

.company-logo-link:hover {
  transform: scale(1.1);
}

.company-logo-link:hover .company-logo {
  border-color: var(--color-primary);
}

.experience-info {
  flex: 1;
}

.experience-info h4 {
  margin-bottom: var(--space-8);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.experience-info .company {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.experience-info .period {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
}

.experience-info .description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin: 0;
}

/* Projects Sections */
.projects {
  padding: var(--space-32) 0;
}

.academic-projects {
    background-color: var(--color-bg-2) !important; /* Light gray-white */
}

.cv-section {
    background-color: var(--color-bg-2) !important; /* Light gray-white */
}

.cv-section h2 {
    padding-top: var(--space-32);
}

.personal-projects {
    background-color: var(--color-white) !important; /* Pure white */
}

.projects h2 {
  text-align: center;
  margin-bottom: var(--space-32);
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(300px, 45vw, 500px), 1fr));
  gap: var(--space-24);
  max-width: calc(2 * 500px + var(--space-24));
  margin: 0 auto;
}

.project-card {
  background-color: var(--color-white); /* Pure white background */
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(220, 220, 220, 0.3); /* Light gray border */
  transition: all var(--duration-normal) var(--ease-standard);
}

.personal-projects .project-card {
  background-color: var(--color-bg-1); /* Light white variant */
}

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

.project-content {
  padding: var(--space-24);
}

.project-type {
  display: inline-block;
  background-color: var(--color-bg-2); /* Light white background */
  color: var(--color-primary);
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-16);
}

.project-card h3 {
  margin-bottom: var(--space-12);
  color: var(--color-text);
  font-weight: 600;
}

.project-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-20);
}

.project-skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.skill-tag {
  background-color: var(--color-bg-3); /* Light white background */
  color: var(--color-text);
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* CV Section */
.contact {
    padding: var(--space-32) 0;
    background-color: var(--color-white) !important; /* Pure white */
}

.cv-section h2 {
  text-align: center;
  margin-bottom: var(--space-32);
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

.cv-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-32);
  align-items: start;
}

.cv-summary h3 {
  margin-bottom: var(--space-24);
  color: var(--color-primary);
  font-weight: 600;
}

.education-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.timeline-item {
  position: relative;
  padding-left: var(--space-24);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: var(--space-6);
  width: 12px;
  height: 12px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.timeline-item.current::before {
  background-color: var(--color-success);
}

.timeline-content h4 {
  margin-bottom: var(--space-8);
  color: var(--color-text);
  font-weight: 600;
}

.timeline-content .institution {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.timeline-content .period {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.cv-download {
  text-align: center;
  padding: var(--space-24);
  /* Make background transparent to blend with section */
  background-color: transparent;
  border-radius: var(--radius-lg);
}

.cv-download p {
  margin-bottom: var(--space-20);
  color: var(--color-text-secondary);
}

/* Contact Section */
.contact {
    padding: var(--space-32) 0;
    background-color: var(--color-white); /* Pure white */
}

.contact h2 {
  text-align: center;
  margin-bottom: var(--space-32);
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

.contact-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-32);
}

.contact-form h3,
.contact-info h3 {
  margin-bottom: var(--space-24);
  color: var(--color-text);
  font-weight: 600;
}

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

.contact-item strong {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-weight: 600;
}

.contact-item a {
  color: var(--color-primary);
}

.social-links {
  margin-top: var(--space-24);
}

.social-links h4 {
  margin-bottom: var(--space-12);
  color: var(--color-text);
  font-weight: 600;
}

.social-link {
  display: inline-block;
  padding: var(--space-8) var(--space-16);
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-radius: var(--radius-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-standard);
}

.social-link:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* Footer */
.footer {
  background-color: var(--color-background);
  padding: var(--space-24) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .navbar {
    top: var(--space-16);
    width: calc(100% - var(--space-32));
    max-width: none;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.95) !important;
    width: calc(100% - var(--space-32));
    left: var(--space-16);
    text-align: center;
    transition: opacity var(--duration-normal) var(--ease-standard), visibility var(--duration-normal) var(--ease-standard);
    box-shadow: var(--shadow-lg);
    padding: var(--space-24);
    align-items: center;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(220, 220, 220, 0.3);
    backdrop-filter: blur(15px);
    opacity: 0;
    visibility: hidden;
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 1px solid var(--color-navbar-border) !important;
    background: var(--color-navbar-bg) !important;
    border-radius: var(--radius-base);
    margin-top: var(--space-8);
  }

  .dropdown-item {
    padding: var(--space-8) var(--space-16);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

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

  .hero-text h1 {
    font-size: var(--font-size-3xl);
  }

  .cv-content {
    grid-template-columns: 1fr;
  }

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

  .languages {
    justify-content: center;
  }

  .container {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }

  .skills-grid {
    grid-template-columns: 1fr;
    max-width: none;
    margin: 0 0 var(--space-32) 0;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    max-width: none;
    margin: 0;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 var(--space-24);
    background: 
      linear-gradient(180deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(255, 255, 255, 0.8) 50%, 
        rgba(255, 255, 255, 0.4) 100%
      ),
      url('alvaro.png');
    background-size: cover;
    background-position: center;
  }

  .hero-text h1 {
    font-size: var(--font-size-2xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .experience-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .company-logo {
    margin-bottom: var(--space-12);
  }

  .company-logo-link:hover {
    transform: scale(1.1);
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Section spacing */
section {
  scroll-margin-top: 80px;
}

/* Loading animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-normal) var(--ease-standard);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Project links positioning - buttons at top center with space from skills */
.project-links {
  display: flex;
  justify-content: center;
  margin-top: var(--space-20);
  margin-bottom: var(--space-16);
}

.project-links .btn {
  margin: 0 var(--space-8);
}

/* Modified project-content to ensure proper layout with buttons */
.project-content {
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
}

/* Ensure skills section has proper spacing from the buttons above */
.project-skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: var(--space-16);
}

.about h2, .about h3, .about h4, .about h5, .about h6,
.experience h2, .experience h3, .experience h4, .experience h5, .experience h6,
.academic-projects h2, .academic-projects h3, .academic-projects h4, .academic-projects h5, .academic-projects h6,
.personal-projects h2, .personal-projects h3, .personal-projects h4, .personal-projects h5, .personal-projects h6,
.cv-section h2, .cv-section h3, .cv-section h4, .cv-section h5, .cv-section h6,
.contact h2, .contact h3, .contact h4, .contact h5, .contact h6 {
    color: var(--color-teal-500) !important; /* Blue like buttons */
}

/* Also ensure paragraph text uses the blue color */
.about p, .experience p, .academic-projects p, .personal-projects p, .cv-section p, .contact p {
    color: var(--color-teal-500) !important; /* Blue like buttons */
}