/* ===== VARIABLES CSS ===== */
:root {
  /* Colors */
  --color-primary: #000000;
  --color-secondary: #ffffff;
  --color-accent: #333333;
  --color-text: #2c2c2c;
  --color-text-light: #666666;
  --color-border: #e1e1e1;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f8f8;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-shadow-hover: rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-family: 'Poppins', sans-serif;
  --font-size-xl: 3.5rem;
  --font-size-lg: 2.5rem;
  --font-size-md: 1.5rem;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 4rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== CONTACT PAGE STYLES ===== */
.contact-hero {
    padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    text-align: center;
  }
  
  .contact-hero__subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
  }
  
  .contact-hero__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .contact-hero__description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
  }
  
  .contact-content {
    padding: var(--spacing-xxl) 0;
  }
  
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
  }
  
  .contact-form {
    background-color: var(--color-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  .form-group {
    margin-bottom: var(--spacing-lg);
  }
  
  .form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
  }
  
  .notification__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .notification__content i {
    font-size: 1.2rem;
    flex-shrink: 0;
  }
  
  .notification--success .notification__content i {
    color: #10b981;
  }
  
  .notification--error .notification__content i {
    color: #ef4444;
  }
  
  .notification__close {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
  }
  
  .notification__close:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
  }
  
  /* ===== RESPONSIVE UPDATES ===== */
  @media screen and (max-width: 968px) {
    .about-content__grid,
    .contact-grid {
      grid-template-columns: 1fr;
      gap: var(--spacing-lg);
    }
  
    .contact-form {
      order: 2;
    }
  
    .contact-info-section {
      order: 1;
    }
  
    .timeline::before {
      left: 20px;
    }
  
    .timeline-item {
      padding-left: 60px;
    }
  
    .timeline-marker {
      left: 11px;
    }
  
    .skills-grid {
      grid-template-columns: 1fr;
    }
  
    .projects-grid {
      grid-template-columns: 1fr;
    }
  
    .stats-grid {
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: var(--spacing-md);
    }
  
    .tech-categories {
      grid-template-columns: 1fr;
      gap: var(--spacing-lg);
    }
  }
  
  @media screen and (max-width: 576px) {
    .hero__buttons,
    .cta__buttons {
      flex-direction: column;
      align-items: center;
    }
  
    .contact-social-links {
      flex-direction: column;
    }
  
    .social-link {
      justify-content: center;
    }
  
    .notification {
      left: var(--spacing-sm);
      right: var(--spacing-sm);
      max-width: none;
    }
  
    .notification--show {
      right: var(--spacing-sm);
    }
  
    .filter-tabs {
      flex-direction: column;
      align-items: center;
    }
  
    .filter-tab {
      width: 200px;
      justify-content: center;
    }
  }
  
  /* ===== SCROLL HEADER ===== */
  .scroll-header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 10px var(--color-shadow);
  }
  
  /* ===== LOADING STATES ===== */
  .loaded .hero__data > * {
    animation: fadeInUp 0.6s ease forwards;
  }
  
  .loaded .hero__image {
    animation: fadeInScale 0.8s ease 0.3s forwards;
  }
  
  @keyframes fadeInScale {
    from {
      opacity: 0;
      transform: scale(0.8);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  /* ===== CUSTOM SCROLLBAR ===== */
  ::-webkit-scrollbar {
    width: 8px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--color-bg-alt);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
  }
  
  /* ===== SELECTION ===== */
  ::selection {
    background-color: var(--color-primary);
    color: var(--color-secondary);
  }
  
  ::-moz-selection {
    background-color: var(--color-primary);
    color: var(--color-secondary);
  }
  
  /* ===== PRINT STYLES ===== */
  @media print {
    .header,
    .nav__toggle,
    .nav__close,
    .scrolltop,
    .cta,
    .contact-form {
      display: none;
    }
  
    body {
      color: #000;
      background: #fff;
    }
  
    .hero,
    .about-hero,
    .projects-hero,
    .contact-hero {
      padding: var(--spacing-md) 0;
      background: none;
    }
  }
  
  /* ===== HIGH CONTRAST MODE ===== */
  @media (prefers-contrast: high) {
    :root {
      --color-primary: #000000;
      --color-secondary: #ffffff;
      --color-text: #000000;
      --color-text-light: #333333;
      --color-border: #000000;
      --color-shadow: rgba(0, 0, 0, 0.3);
    }
  }
  
  /* ===== DARK MODE SUPPORT ===== */
  @media (prefers-color-scheme: dark) {
    :root {
      --color-primary: #ffffff;
      --color-secondary: #1a1a1a;
      --color-accent: #cccccc;
      --color-text: #ffffff;
      --color-text-light: #cccccc;
      --color-bg: #121212;
      --color-bg-alt: #1e1e1e;
      --color-border: #333333;
      --color-shadow: rgba(255, 255, 255, 0.1);
    }
  
    .hero,
    .about-hero,
    .projects-hero,
    .contact-hero {
      background: linear-gradient(135deg, #1e1e1e 0%, #121212 100%);
    }
  
    .header {
      background-color: rgba(26, 26, 26, 0.95);
      border-bottom-color: #333333;
    }
  
    .skill-card,
    .project-card,
    .contact-form,
    .contact-info-card {
      background-color: #1e1e1e;
    }
  
    .button--primary {
      background-color: #ffffff;
      color: #121212;
    }
  
    .button--primary:hover {
      background-color: transparent;
      color: #ffffff;
      border-color: #ffffff;
    }
  }
  
  .form-label i {
    font-size: 1.1rem;
  }
  
  .form-input,
  .form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg-alt);
    transition: var(--transition);
    resize: vertical;
  }
  
  .form-input:focus,
  .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-secondary);
  }
  
  .form-input--valid {
    border-color: #10b981;
    background-color: rgba(16, 185, 129, 0.05);
  }
  
  .form-input--invalid {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.05);
  }
  
  .form-error {
    display: block;
    font-size: var(--font-size-sm);
    color: #ef4444;
    margin-top: var(--spacing-xs);
  }
  
  .form-button {
    width: 100%;
    justify-content: center;
    font-size: var(--font-size-base);
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .form-button--loading {
    opacity: 0.7;
    cursor: not-allowed;
  }
  
  .character-counter {
    text-align: right;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
  }
  
  .character-counter--warning {
    color: #f59e0b;
  }
  
  .character-counter--limit {
    color: #ef4444;
  }
  
  .contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
  }
  
  .contact-info-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px solid transparent;
    transition: var(--transition);
  }
  
  .contact-info-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--color-shadow);
  }
  
  .contact-info-card__icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
  }
  
  .contact-info-card__content h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
  }
  
  .contact-info-card__content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
  }
  
  .contact-link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
  }
  
  .contact-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
  }
  
  .contact-social {
    text-align: center;
  }
  
  .contact-social h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .contact-social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
  }
  
  .social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
  }
  
  .social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
  }
  
  .social-link i {
    font-size: 1.1rem;
  }
  
  .faq-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
  }
  
  .faq-grid {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .faq-item {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
  }
  
  .faq-item:hover {
    box-shadow: 0 5px 20px var(--color-shadow);
  }
  
  .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition);
  }
  
  .faq-question:hover {
    background-color: var(--color-bg-alt);
  }
  
  .faq-question h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
  }
  
  .faq-icon {
    font-size: 1.2rem;
    color: var(--color-primary);
    transition: var(--transition);
  }
  
  .faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }
  
  .faq-item.active .faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    max-height: 200px;
  }
  
  .faq-item.active .faq-icon {
    transform: rotate(45deg);
  }
  
  .faq-answer p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
  }
  
  /* ===== NOTIFICATIONS ===== */
  .notification {
    position: fixed;
    top: var(--spacing-lg);
    right: -400px;
    max-width: 350px;
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px var(--color-shadow);
    z-index: 10000;
    transition: right 0.3s ease;
    overflow: hidden;
  }
  
  .notification--show {
    right: var(--spacing-lg);
  }
  
  .notification--success {
    border-left: 4px solid #10b981;
  }
  
  .notification--error {
    border-left: 4px solid #ef4444;
  }
  
  /* ===== RESET & BASE ===== */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }
  
  body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
  }
  
  /* ===== UTILITIES ===== */
  .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
  }
  
  .section__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
  }
  
  .section__title-sm {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
  }
  
  /* ===== BUTTONS ===== */
  .button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  
  .button--primary {
    background-color: var(--color-primary);
    color: var(--color-secondary);
  }
  
  .button--primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--color-shadow);
  }
  
  .button--secondary {
    background-color: transparent;
    color: var(--color-primary);
  }
  
  .button--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--color-shadow);
  }
  
  /* ===== HEADER ===== */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
  }
  
  .nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    font-size: 1.1rem;
  }
  
  .nav__logo-img {
    width: 32px;
    height: 32px;
  }
  
  .nav__list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
  }
  
  .nav__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
  }
  
  .nav__link:hover,
  .nav__link.active-link {
    color: var(--color-primary);
    background-color: var(--color-bg-alt);
  }
  
  .nav__link i {
    font-size: 1.2rem;
  }
  
  .nav__toggle,
  .nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  /* ===== HERO SECTION ===== */
  .hero {
    padding: calc(var(--header-height) + var(--spacing-xxl)) 0 var(--spacing-xxl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
  }
  
  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23000000' fill-opacity='0.02'%3E%3Cpath d='m40 40c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10zm0-40c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10zm-20 0c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10zm0 40c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10z'/%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
  }
  
  .hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
  }
  
  .hero__greeting {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
  }
  
  .hero__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
  }
  
  .hero__accent {
    color: var(--color-accent);
  }
  
  .hero__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
  }
  
  .hero__description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
  }
  
  .hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }
  
  .hero__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .hero__image-bg {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
  }
  
  .hero__img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-secondary);
    position: relative;
    z-index: 1;
    transition: var(--transition);
  }
  
  .hero__img:hover {
    transform: scale(1.05);
  }
  
  .hero__float {
    position: absolute;
    background-color: var(--color-secondary);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    animation: floatElements 4s ease-in-out infinite;
  }
  
  .hero__float--1 {
    top: 20px;
    right: 40px;
    animation-delay: 0s;
  }
  
  .hero__float--2 {
    bottom: 80px;
    left: 20px;
    animation-delay: -1.5s;
  }
  
  .hero__float--3 {
    top: 120px;
    left: -20px;
    animation-delay: -3s;
  }
  
  /* ===== SKILLS PREVIEW ===== */
  .skills-preview {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
  }
  
  .skills-preview__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
  }
  
  .skill-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  
  .skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.05), transparent);
    transition: left 0.5s;
  }
  
  .skill-card:hover::before {
    left: 100%;
  }
  
  .skill-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  .skill-card__icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.8rem;
    transition: var(--transition);
  }
  
  .skill-card:hover .skill-card__icon {
    transform: scale(1.1) rotate(5deg);
  }
  
  .skill-card h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
  }
  
  .skill-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
  }
  
  /* ===== CTA SECTION ===== */
  .cta {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-secondary);
    position: relative;
    overflow: hidden;
  }
  
  .cta__content {
    text-align: center;
    position: relative;
    z-index: 1;
  }
  
  .cta__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
  }
  
  .cta__description {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
  }
  
  .cta .button--primary {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
  }
  
  .cta .button--primary:hover {
    background-color: transparent;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
  }
  
  .cta__decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }
  
  .cta__circle {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
  }
  
  .cta__circle--1 {
    width: 200px;
    height: 200px;
    top: -100px;
    right: -100px;
  }
  
  .cta__circle--2 {
    width: 150px;
    height: 150px;
    bottom: -75px;
    left: -75px;
    animation-direction: reverse;
    animation-duration: 15s;
  }
  
  .cta__circle--3 {
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 25s;
  }
  
  /* ===== FOOTER ===== */
  .footer {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }
  
  .footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .footer__info h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
  }
  
  .footer__info p {
    font-size: var(--font-size-sm);
    opacity: 0.8;
  }
  
  .footer__social {
    display: flex;
    gap: var(--spacing-sm);
  }
  
  .footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition);
  }
  
  .footer__social-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    transform: translateY(-2px);
  }
  
  .footer__copy {
    text-align: center;
  }
  
  .footer__copy p {
    font-size: var(--font-size-sm);
    opacity: 0.7;
  }
  
  /* ===== SCROLL TOP ===== */
  .scrolltop {
    position: fixed;
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-secondary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
  }
  
  .scrolltop.show-scroll {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .scrolltop:hover {
    background-color: var(--color-accent);
    transform: translateY(-5px);
  }
  
  /* ===== ANIMATIONS ===== */
  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
  }
  
  @keyframes floatElements {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
  }
  
  @keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }
  
  /* ===== ABOUT PAGE STYLES ===== */
  .about-hero {
    padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    text-align: center;
  }
  
  .about-hero__subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
  }
  
  .about-hero__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .about-hero__description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
  }
  
  .about-content {
    padding: var(--spacing-xxl) 0;
  }
  
  .about-content__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
  }
  
  .about-text {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.7;
  }
  
  .about-text:last-child {
    margin-bottom: 0;
  }
  
  .about-image-container {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  .about-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
  }
  
  .about-image__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: var(--transition);
  }
  
  .about-image-container:hover .about-image__overlay {
    transform: translateY(0);
  }
  
  .about-stats {
    display: flex;
    gap: var(--spacing-lg);
  }
  
  .stat-item {
    text-align: center;
    color: var(--color-secondary);
  }
  
  .stat-number {
    display: block;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
  }
  
  .stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
  }
  
  .about-skills {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
  }
  
  .skills-category {
    margin-bottom: var(--spacing-xl);
  }
  
  .skills-category:last-child {
    margin-bottom: 0;
  }
  
  .skills-category__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
  }
  
  .skills-category__title i {
    font-size: 1.5rem;
  }
  
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
  }
  
  .skill-item {
    display: flex;
    gap: var(--spacing-md);
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid transparent;
    transition: var(--transition);
  }
  
  .skill-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--color-shadow);
  }
  
  .skill-item__icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
  }
  
  .skill-item__info {
    flex: 1;
  }
  
  .skill-item__info h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
  }
  
  .skill-item__info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
  }
  
  .skill-bar {
    height: 6px;
    background-color: #e1e1e1;
    border-radius: 3px;
    overflow: hidden;
  }
  
  .skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 3px;
    width: 0%;
    transition: width 1.5s ease-in-out;
  }
  
  .soft-skills {
    padding: var(--spacing-xxl) 0;
  }
  
  .soft-skills__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
  }
  
  .soft-skill-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-border);
    transition: var(--transition);
  }
  
  .soft-skill-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  .soft-skill-card__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
  }
  
  .soft-skill-card h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
  }
  
  .soft-skill-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
  }
  
  .timeline-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
  }
  
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
  }
  
  .timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: 80px;
  }
  
  .timeline-item:last-child {
    margin-bottom: 0;
  }
  
  .timeline-marker {
    position: absolute;
    left: 21px;
    top: 0;
    width: 18px;
    height: 18px;
    background-color: var(--color-primary);
    border-radius: 50%;
    border: 3px solid var(--color-secondary);
    box-shadow: 0 0 0 3px var(--color-border);
  }
  
  .timeline-content {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 15px var(--color-shadow);
    position: relative;
  }
  
  .timeline-content::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--color-secondary) transparent transparent;
  }
  
  .timeline-date {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
  }
  
  .timeline-content h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
  }
  
  .timeline-location {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
  }
  
  .timeline-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.6;
  }
  
  .interests {
    padding: var(--spacing-xxl) 0;
  }
  
  .interests__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
  }
  
  .interest-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
    border: 2px solid transparent;
    transition: var(--transition);
  }
  
  .interest-card:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  .interest-card i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .interest-card h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
  }
  
  .interest-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
  }
  
  .cta__buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
  }
  
  /* ===== PROJECTS PAGE STYLES ===== */
  .projects-hero {
    padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    text-align: center;
  }
  
  .projects-hero__subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
  }
  
  .projects-hero__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .projects-hero__description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
  }
  
  .projects-filter {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg-alt);
  }
  
  .filter-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
  }
  
  .filter-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition);
  }
  
  .filter-tab:hover,
  .filter-tab.active {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
  }
  
  .filter-tab i {
    font-size: 1.1rem;
  }
  
  .projects-grid-section {
    padding: var(--spacing-xxl) 0;
  }
  
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
  }
  
  .project-card {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 5px 15px var(--color-shadow);
    transition: var(--transition);
  }
  
  .project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--color-shadow-hover);
  }
  
  .project-card__image {
    position: relative;
    overflow: hidden;
    height: 250px;
  }
  
  .project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
  }
  
  .project-card:hover .project-card__image img {
    transform: scale(1.1);
  }
  
  .project-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0,0,0,0.8), rgba(0,0,0,0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
  }
  
  .project-card:hover .project-card__overlay {
    opacity: 1;
  }
  
  .project-card__actions {
    display: flex;
    gap: var(--spacing-md);
  }
  
  .project-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition);
    transform: translateY(20px);
  }
  
  .project-card:hover .project-action {
    transform: translateY(0);
  }
  
  .project-action:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    transform: scale(1.1);
  }
  
  .project-card__content {
    padding: var(--spacing-lg);
  }
  
  .project-card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
  }
  
  .project-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
  }
  
  .project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
  }
  
  .tech-tag:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
  }
  
  .project-stats {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
  }
  
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
  }
  
  .stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px solid transparent;
    transition: var(--transition);
  }
  
  .stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--color-shadow);
  }
  
  .stat-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
  }
  
  .stat-card__info {
    display: flex;
    flex-direction: column;
  }
  
  .stat-card__number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }
  
  .stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
  }
  
  .technologies {
    padding: var(--spacing-xxl) 0;
  }
  
  .tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
  }
  
  .tech-category {
    text-align: center;
  }
  
  .tech-category__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .tech-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }
  
  .tech-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-secondary);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-primary);
    transition: var(--transition);
    cursor: pointer;
  }
  
  .tech-icon:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-5px) scale(1.1);
  }
  
  /* ===== ANIMATIONS ===== */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* ===== RESPONSIVE ===== */
  @media screen and (max-width: 968px) {
    :root {
      --font-size-xl: 2.5rem;
      --font-size-lg: 2rem;
      --font-size-md: 1.25rem;
    }
  
    .nav__menu {
      position: fixed;
      top: var(--header-height);
      right: -100%;
      width: 80%;
      height: calc(100vh - var(--header-height));
      background-color: var(--color-secondary);
      padding: var(--spacing-lg) var(--spacing-md);
      transition: var(--transition);
      border-left: 1px solid var(--color-border);
    }
  
    .nav__menu.show-menu {
      right: 0;
    }
  
    .nav__list {
      flex-direction: column;
      gap: var(--spacing-md);
    }
  
    .nav__toggle,
    .nav__close {
      display: block;
    }
  
    .nav__close {
      position: absolute;
      top: var(--spacing-sm);
      right: var(--spacing-sm);
    }
  
    .hero__container {
      grid-template-columns: 1fr;
      gap: var(--spacing-lg);
      text-align: center;
    }
  
    .hero__image {
      order: -1;
    }
  
    .hero__image-bg {
      width: 250px;
      height: 250px;
    }
  
    .hero__img {
      width: 230px;
      height: 230px;
    }
  
    .hero__float {
      width: 50px;
      height: 50px;
      font-size: 1.2rem;
    }
  
    .hero__buttons {
      justify-content: center;
    }
  
    .skills-preview__grid {
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--spacing-sm);
    }
  
    .footer__content {
      flex-direction: column;
      gap: var(--spacing-md);
      text-align: center;
    }
  }
  
  @media screen and (max-width: 576px) {
    .container {
      padding: 0 var(--spacing-md);
    }
  
    .hero {
      padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
    }
  
    .hero__buttons {
      flex-direction: column;
      align-items: center;
    }
  
    .button {
      width: 100%;
      max-width: 280px;
      justify-content: center;
    }
  
    .skills-preview__grid {
      grid-template-columns: 1fr;
    }
  
    .hero__float {
      display: none;
    }
  }