/* ==========================================================================
   1.0 DESIGN TOKENS & SETUP
   ========================================================================== */

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

:root {
  /* Colors */
  --bg-color: #050505;
  --surface-color: #111111;
  --border-color: rgba(255, 255, 255, 0.1);
  --primary-text: #EAEAEA;
  --secondary-text: #888888;
  --accent-color: #14B8A6; /* Vibrant Teal */
  --accent-glow: rgba(20, 184, 166, 0.3);

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-bold: 700;
  --fw-black: 800;

  /* Sizing & Spacing */
  --border-radius-md: 1rem;
  --border-radius-full: 99px;
  --section-padding: 8rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}


/* ==========================================================================
   2.0 GLOBAL STYLES & RESETS
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--primary-text);
  font-family: var(--font-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  cursor: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Base styles for interactive elements */
a, button {
  cursor: pointer;
  color: inherit;
  text-decoration: none;
}

/* Accessibility: Visible focus states */
:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
}


/* ==========================================================================
   3.0 COMPONENTS
   ========================================================================== */

/* 3.1 Custom Cursor */
.cursor-dot,
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
}

.cursor-glow {
  width: 40px;
  height: 40px;
  background-image: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.cursor-dot.hidden,
.cursor-glow.hidden {
  opacity: 0;
}

.cursor-dot.grow {
  transform: translate(-50%, -50%) scale(4);
}

.cursor-glow.grow {
  transform: translate(-50%, -50%) scale(2);
}

/* 3.2 Header */
.main-header {
  padding: 1.5rem 0;
  position: fixed;
  width: 100%;
  z-index: 100;
  transition: background-color var(--transition-medium), backdrop-filter var(--transition-medium), padding var(--transition-medium);
}

.main-header.scrolled {
  background-color: rgba(5, 5, 5, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  transition: font-size var(--transition-medium);
}

.main-header.scrolled .logo {
  font-size: 1.1rem;
}

.main-header.scrolled .contact-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* 3.3 Reusable Button Component */
.btn {
  display: inline-block;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  border-radius: var(--border-radius-full);
  font-weight: var(--fw-medium);
  transition: background var(--transition-fast), color var(--transition-fast), padding var(--transition-medium), font-size var(--transition-medium);
}

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


.contact-btn {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  border-radius: 99px;
  text-decoration: none;
  color: var(--primary-text);
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, padding 0.3s ease, font-size 0.3s ease;
}

.contact-btn:hover {
  background: var(--accent-color);
  color: var(--bg-color);
}



/* Modifier for header button shrink effect */
.main-header.scrolled .btn {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* 3.4 Page Sections */
.section {
  padding: var(--section-padding) 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: var(--fw-medium);
  color: var(--secondary-text);
  margin-bottom: 2rem;
}


/* ==========================================================================
   4.0 PAGE-SPECIFIC SECTIONS
   ========================================================================== */

/* 4.1 Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: var(--fw-black);
  line-height: 1.1;
  background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0.4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: slide-in 1s ease-out;
}

.hero-tagline {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--secondary-text);
  margin: 1.5rem auto 0;
  max-width: 600px;
  animation: slide-in 1s ease-out 0.2s backwards;
}

/* 4.2 About Section (Bento Grid) */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.bento-item {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  transition: transform var(--transition-medium);
}

.bento-item:hover {
  transform: translateY(-5px);
}

.bento-item.profile {
  grid-column: span 2;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.bento-item.profile img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
}

.bento-item.profile h3 { font-size: 1.5rem; }
.bento-item.profile p { color: var(--secondary-text); }
.bento-item.focus { grid-column: span 2; }
.bento-item.focus p, .bento-item.about { line-height: 1.8; }
.bento-item.about { grid-column: span 4; font-size: 1.1rem; }

/* 4.3 Technology Section */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.tech-category {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
}

.tech-category h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--secondary-text);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  align-items: center;
}

.tech-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-color);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
}

.tech-list i {
  font-size: 1.5rem;
  color: var(--secondary-text);
}

/* 4.4 Projects Section */
.project-list {
    list-style: none;
    border-top: 1px solid var(--border-color);
}

.project-item {
    padding: 2.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    transition: background var(--transition-medium), transform var(--transition-medium);
}

.project-item:hover {
    background: var(--surface-color);
    transform: scale(1.02);
}

.project-content {
    flex: 1;
}

.project-content h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: var(--fw-bold);
    margin-bottom: 0.5rem;
}

.project-title-link {
    transition: color var(--transition-medium);
}

.project-title-link:hover {
    color: var(--accent-color);
}

.project-content p {
    color: var(--secondary-text);
    max-width: 60ch;
}

.project-case-study {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-text);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    transition: color var(--transition-medium), gap var(--transition-medium);
}

.project-case-study i {
    transition: transform var(--transition-medium);
}

.project-case-study:hover {
    color: var(--primary-text);
    gap: 1rem;
}

.project-case-study:hover i {
    transform: translateX(5px);
}

.view-all-projects {
    text-align: center;
    margin-top: 3rem;
}

/* 4.5 CTA Section */
.cta-section {
  text-align: center;
}

.cta-section h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--secondary-text);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* 4.6 Footer */
.main-footer {
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-links a {
  font-weight: var(--fw-medium);
  color: var(--secondary-text);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-color);
}


/* ==========================================================================
   5.0 EFFECTS & ANIMATIONS
   ========================================================================== */

.project-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 200px;
  border-radius: var(--border-radius-md);
  object-fit: cover;
  pointer-events: none;
  opacity: 0;
  transform: translate(20px, 20px) scale(0.8);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
  z-index: 99;
}

.project-preview.visible {
  opacity: 1;
  transform: translate(20px, 20px) scale(1);
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ==========================================================================
   6.0 ACCESSIBILITY & RESPONSIVE DESIGN
   ========================================================================== */

/* 6.1 Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 6.2 Tablet Breakpoint */
@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr;
  }
  .bento-item.about {
    grid-column: span 2;
  }
}

/* 6.3 Mobile Breakpoint */
@media (max-width: 768px) {
  body {
    cursor: auto;
  }
  .cursor-dot,
  .cursor-glow {
    display: none;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-item.profile,
  .bento-item.focus,
  .bento-item.about {
    grid-column: span 1;
  }
  .bento-item.profile {
    flex-direction: column;
    text-align: center;
  }
  .project-item h3 {
    font-size: 1.5rem;
  }
}