/* ============================================================
   USMAN NAEEM - PORTFOLIO WEBSITE STYLESHEET
   ============================================================ */


/* ==========================================
   1. CSS CUSTOM PROPERTIES
   ========================================== */
   :root {
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-secondary: #8b5cf6;
    --color-accent: #06b6d4;

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);

    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2a;

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-tertiary: #6b6b82;
    --text-muted: #52526a;

    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-max: 1200px;
    --navbar-height: 72px;
}


/* ==========================================
   2. RESET & BASE
   ========================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-primary); background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; font-size: inherit; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
::selection { background: rgba(99, 102, 241, 0.3); color: var(--text-primary); }


/* ==========================================
   3. TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }


/* ==========================================
   4. LAYOUT & CONTAINER
   ========================================== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-xl); }
.section-header { text-align: center; margin-bottom: var(--space-4xl); }
.section-tag { display: inline-block; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary-light); background: rgba(99, 102, 241, 0.1); padding: 6px 16px; border-radius: var(--radius-full); border: 1px solid rgba(99, 102, 241, 0.2); margin-bottom: var(--space-md); }
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: var(--space-md); color: var(--text-primary); }
.section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.7; }


/* ==========================================
   5. NAVIGATION
   ========================================== */
   .navbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: var(--navbar-height);
      z-index: 1000;
      transition: all var(--transition-base);
      background: rgba(10, 10, 15, 0.8);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid transparent;
  }
  
  .navbar.scrolled {
      background: rgba(10, 10, 15, 0.95);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
  }
  
  .nav-container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 var(--space-xl);
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
  }
  
  /* --- Logo: Favicon Image + Name --- */
  .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-mono);
      font-weight: 700;
      color: var(--text-primary);
      transition: all var(--transition-fast);
      text-decoration: none;
  }
  
  .nav-logo:hover {
      color: var(--color-primary-light);
  }
  
  .nav-logo:hover .logo-img {
      transform: scale(1.1) rotate(5deg);
      filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.4));
  }
  
  /* Favicon image */
  .logo-img {
      width: 36px;
      height: 36px;
      object-fit: contain;
      border-radius: 8px;
      transition: all var(--transition-base);
  }
  
  /* Name text with gradient */
  .logo-text {
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-size: 1.1rem;
      font-weight: 700;
      letter-spacing: -0.01em;
  }
  
  /* Hide old bracket elements if they still exist */
  .logo-bracket {
      display: none;
  }
  
  /* Footer logo — slightly smaller */
  .footer-brand .nav-logo .logo-img {
      width: 32px;
      height: 32px;
  }
  
  .footer-brand .nav-logo .logo-text {
      font-size: 1rem;
  }
  
  /* --- Nav Links --- */
  .nav-links {
      display: flex;
      align-items: center;
      gap: var(--space-xs);
  }
  
  .nav-link {
      padding: 8px 18px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: var(--radius-sm);
      transition: all var(--transition-fast);
      position: relative;
  }
  
  .nav-link:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.05);
  }
  
  .nav-link.active {
      color: var(--color-primary-light);
  }
  
  .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 2px;
      background: var(--gradient-primary);
      border-radius: var(--radius-full);
  }
  
  .nav-link.cta-link {
      background: var(--gradient-primary);
      color: white !important;
      border-radius: var(--radius-full);
      padding: 8px 22px;
      font-weight: 600;
      margin-left: var(--space-sm);
  }
  
  .nav-link.cta-link::after {
      display: none;
  }
  
  .nav-link.cta-link:hover {
      box-shadow: var(--shadow-glow);
      transform: translateY(-1px);
  }
  
  /* --- Hamburger Menu Toggle --- */
  .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      padding: 4px;
      z-index: 1001;
  }
  
  .hamburger-line {
      width: 24px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: all var(--transition-base);
      transform-origin: center;
  }
  
  .nav-toggle.active .hamburger-line:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .hamburger-line:nth-child(2) {
      opacity: 0;
      transform: scaleX(0);
  }
  
  .nav-toggle.active .hamburger-line:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
  }
  /* ==========================================
   6. HERO SECTION
   ========================================== */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; padding: calc(var(--navbar-height) + var(--space-3xl)) var(--space-xl) var(--space-3xl); overflow: hidden; }
.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.particle { position: absolute; border-radius: 50%; background: var(--gradient-primary); opacity: 0.06; animation: float-particle 20s infinite ease-in-out; }
.particle:nth-child(1) { width: 300px; height: 300px; top: 10%; left: -5%; animation-delay: 0s; }
.particle:nth-child(2) { width: 200px; height: 200px; top: 60%; right: -3%; animation-delay: -5s; }
.particle:nth-child(3) { width: 150px; height: 150px; bottom: 10%; left: 30%; animation-delay: -10s; }
.particle:nth-child(4) { width: 100px; height: 100px; top: 20%; right: 20%; animation-delay: -15s; }
.particle:nth-child(5) { width: 250px; height: 250px; top: 40%; left: 50%; animation-delay: -7s; opacity: 0.03; }
.particle:nth-child(6) { width: 180px; height: 180px; bottom: 30%; right: 30%; animation-delay: -12s; opacity: 0.04; }
@keyframes float-particle { 0%, 100% { transform: translate(0, 0) scale(1); } 25% { transform: translate(30px, -30px) scale(1.05); } 50% { transform: translate(-20px, 20px) scale(0.95); } 75% { transform: translate(15px, -15px) scale(1.02); } }
.hero-content { text-align: center; max-width: 800px; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.8rem; color: #34d399; background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.2); padding: 8px 18px; border-radius: var(--radius-full); margin-bottom: var(--space-xl); }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4); } 50% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); } }
.hero-title { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; margin-bottom: var(--space-md); letter-spacing: -0.03em; }
.hero-subtitle { font-size: clamp(1.1rem, 2.5vw, 1.4rem); color: var(--text-secondary); margin-bottom: var(--space-lg); min-height: 2.5rem; display: flex; align-items: center; justify-content: center; }
.typing-prefix { color: var(--text-secondary); }
.typed-text { color: var(--color-primary-light); font-weight: 600; }
.cursor { color: var(--color-primary); font-weight: 300; animation: blink-cursor 1s infinite; }
@keyframes blink-cursor { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-description { font-size: 1.05rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto var(--space-2xl); line-height: 1.8; }
.hero-description strong { color: var(--color-primary-light); font-weight: 600; }
.hero-cta { display: flex; align-items: center; justify-content: center; gap: var(--space-md); margin-bottom: var(--space-3xl); flex-wrap: wrap; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: var(--space-3xl); padding-top: var(--space-2xl); border-top: 1px solid var(--border-color); }
.stat-item { text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.stat-label { display: block; font-size: 0.8rem; color: var(--text-tertiary); margin-top: 4px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: 0.5; animation: scroll-bounce 2s infinite; }
.scroll-mouse { width: 24px; height: 38px; border: 2px solid var(--text-tertiary); border-radius: 12px; position: relative; }
.scroll-wheel { width: 3px; height: 8px; background: var(--text-tertiary); border-radius: 2px; position: absolute; top: 6px; left: 50%; transform: translateX(-50%); animation: scroll-wheel 2s infinite; }
@keyframes scroll-wheel { 0% { opacity: 1; transform: translateX(-50%) translateY(0); } 100% { opacity: 0; transform: translateX(-50%) translateY(12px); } }
@keyframes scroll-bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }
.scroll-indicator span { font-size: 0.7rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.1em; }


/* ==========================================
   7. EXPERTISE CARDS
   ========================================== */
.expertise-section { padding: var(--space-4xl) 0; background: var(--bg-secondary); }
.expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.expertise-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: var(--space-2xl); transition: all var(--transition-base); position: relative; overflow: hidden; }
.expertise-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-primary); transform: scaleX(0); transition: transform var(--transition-base); transform-origin: left; }
.expertise-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); background: var(--bg-card-hover); }
.expertise-card:hover::before { transform: scaleX(1); }
.card-icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: var(--gradient-subtle); border: 1px solid rgba(99, 102, 241, 0.15); margin-bottom: var(--space-lg); color: var(--color-primary-light); }
.card-title { font-size: 1.2rem; margin-bottom: var(--space-sm); color: var(--text-primary); }
.card-description { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-lg); }
.card-tools { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-tag { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; padding: 4px 12px; border-radius: var(--radius-full); background: rgba(99, 102, 241, 0.1); color: var(--color-primary-light); border: 1px solid rgba(99, 102, 241, 0.15); transition: all var(--transition-fast); }
.tool-tag:hover { background: rgba(99, 102, 241, 0.2); border-color: rgba(99, 102, 241, 0.3); }


/* ==========================================
   8. FEATURED PROJECTS (Home)
   ========================================== */
.featured-section { padding: var(--space-4xl) 0; background: var(--bg-primary); }
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-bottom: var(--space-2xl); }
.featured-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: var(--space-2xl); transition: all var(--transition-base); position: relative; overflow: hidden; }
.featured-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-primary); transform: scaleX(0); transition: transform var(--transition-base); transform-origin: left; }
.featured-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); background: var(--bg-card-hover); }
.featured-card:hover::before { transform: scaleX(1); }
.featured-number { font-family: var(--font-mono); font-size: 2.5rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; opacity: 0.3; line-height: 1; margin-bottom: var(--space-md); }
.featured-card h3 { font-size: 1.1rem; margin-bottom: var(--space-sm); color: var(--text-primary); transition: color var(--transition-fast); }
.featured-card:hover h3 { color: var(--color-primary-light); }
.featured-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-lg); }
.featured-cta { text-align: center; }


/* ==========================================
   9. PAGE HERO (Inner Pages)
   ========================================== */
.page-hero { padding: calc(var(--navbar-height) + var(--space-4xl)) 0 var(--space-3xl); background: var(--bg-primary); text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%); pointer-events: none; }
.page-hero-content { position: relative; z-index: 1; }
.page-title { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; margin-bottom: var(--space-md); letter-spacing: -0.03em; }
.page-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.7; }


/* ==========================================
   10. PROJECTS SECTION — IMAGE + ICON CARDS
   ========================================== */

/* Filter tabs */
.filter-section { padding: var(--space-xl) 0 var(--space-2xl); background: var(--bg-primary); }
.filter-tabs { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.filter-btn { font-family: var(--font-mono); font-size: 0.82rem; font-weight: 500; padding: 8px 20px; border-radius: var(--radius-full); color: var(--text-secondary); background: var(--bg-card); border: 1px solid var(--border-color); transition: all var(--transition-fast); cursor: pointer; }
.filter-btn:hover { color: var(--text-primary); border-color: var(--border-hover); }
.filter-btn.active { background: var(--gradient-primary); color: white; border-color: transparent; }

/* Projects grid */
.projects-section { padding: 0 0 var(--space-4xl); background: var(--bg-primary); }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

/* ---- STANDARD PROJECT CARD (with screenshot) ---- */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.project-card.hidden { display: none; }

/* Project image — compact size */
.project-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-tertiary);
    flex-shrink: 0;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

/* Placeholder */
.image-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-sm); color: var(--text-tertiary); background: var(--gradient-card); transition: all var(--transition-base); }
.image-placeholder svg { opacity: 0.4; }
.image-placeholder span { font-size: 0.8rem; font-family: var(--font-mono); opacity: 0.5; }
.project-card:hover .image-placeholder { background: var(--gradient-subtle); }
.project-card:hover .image-placeholder svg { opacity: 0.6; color: var(--color-primary-light); }

/* Badges */
.project-badge { position: absolute; top: 12px; right: 12px; font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-full); background: rgba(99, 102, 241, 0.9); color: white; backdrop-filter: blur(10px); z-index: 2; }
.project-badge.badge-ai { background: rgba(139, 92, 246, 0.9); }
.project-badge.badge-int { background: rgba(6, 182, 212, 0.9); }
.project-badge.badge-zapier { background: rgba(255, 107, 53, 0.9); }

/* ---- ICON-BASED PROJECT CARD (AI/ML projects) ---- */
.project-card-icon {
    border-top: 3px solid transparent;
    background-image: linear-gradient(var(--bg-card), var(--bg-card)), var(--gradient-primary);
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.project-card-icon:hover {
    background-image: linear-gradient(var(--bg-card-hover), var(--bg-card-hover)), var(--gradient-primary);
}

/* Icon header area — replaces the image */
.project-icon-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-xl) 0 var(--space-xl);
    flex-shrink: 0;
}

/* Large circular icon */
.project-icon-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-subtle);
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    transition: all var(--transition-base);
}

.project-card-icon:hover .project-icon-circle {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

/* Inline badge for icon cards */
.project-badge-inline {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    color: white;
}

.project-badge-inline.badge-ai {
    background: rgba(139, 92, 246, 0.9);
}

/* ---- PROJECT INFO — shared by both card types ---- */
.project-info {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* Title — max 2 lines */
.project-title {
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    transition: color var(--transition-fast);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-shrink: 0;
}

.project-card:hover .project-title { color: var(--color-primary-light); }

/* Description — clamped to 3 lines */
.project-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-description strong { color: var(--color-primary-light); font-weight: 600; }

/* Read More button */
.read-more-btn { display: none; align-items: center; gap: 4px; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600; color: var(--color-primary-light); background: none; border: none; cursor: pointer; padding: 4px 0; margin-bottom: var(--space-sm); transition: all var(--transition-fast); flex-shrink: 0; }
.read-more-btn:hover { color: var(--color-accent); }
.read-more-btn svg { transition: transform var(--transition-fast); }
.read-more-btn.expanded svg { transform: rotate(180deg); }

/* Expanded state */
.project-card.expanded .project-description { -webkit-line-clamp: unset; display: block; overflow: visible; }

/* Tool tags at bottom */
.project-tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; flex-shrink: 0; padding-top: var(--space-sm); }

/* Note box */
.projects-note { display: flex; align-items: flex-start; gap: var(--space-md); margin-top: var(--space-3xl); padding: var(--space-xl); background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); border-left: 3px solid var(--color-primary); }
.note-icon { color: var(--color-primary-light); flex-shrink: 0; margin-top: 2px; }
.projects-note p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.projects-note a { color: var(--color-primary-light); font-weight: 600; border-bottom: 1px solid transparent; transition: border-color var(--transition-fast); }
.projects-note a:hover { border-bottom-color: var(--color-primary-light); }


/* ==========================================
   11. ABOUT SECTION
   ========================================== */
.about-section { padding: var(--space-2xl) 0 var(--space-4xl); }
.about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: var(--space-4xl); align-items: start; }
.about-image-area { position: sticky; top: calc(var(--navbar-height) + var(--space-xl)); }
.about-image-wrapper { position: relative; margin-bottom: var(--space-xl); }
.about-image-placeholder { width: 100%; aspect-ratio: 4 / 5; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-md); color: var(--text-tertiary); position: relative; z-index: 1; }
.about-image-placeholder span { font-family: var(--font-mono); font-size: 0.85rem; }
.about-profile-img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; border-radius: var(--radius-lg); border: 1px solid var(--border-color); position: relative; z-index: 1; transition: transform var(--transition-base), box-shadow var(--transition-base); }
.about-image-wrapper:hover .about-profile-img { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.image-decoration { position: absolute; border-radius: var(--radius-lg); border: 2px solid; z-index: 0; }
.decoration-1 { width: 100%; height: 100%; top: 12px; left: 12px; border-color: rgba(99, 102, 241, 0.2); }
.decoration-2 { width: 100%; height: 100%; top: 24px; left: 24px; border-color: rgba(99, 102, 241, 0.1); }
.quick-info-cards { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.quick-card { display: flex; align-items: center; gap: 8px; padding: 8px 16px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-full); font-size: 0.85rem; color: var(--text-secondary); }
.quick-icon { font-size: 1rem; }
.about-heading { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--space-xl); line-height: 1.3; }
.about-paragraphs p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--space-lg); }
.about-paragraphs p strong { color: var(--color-primary-light); font-weight: 600; }
.about-cta { margin-top: var(--space-2xl); }


/* ==========================================
   12. SKILLS SECTION
   ========================================== */
.skills-section { padding: var(--space-4xl) 0; background: var(--bg-secondary); }
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
.skill-category { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: var(--space-2xl); transition: all var(--transition-base); }
.skill-category:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.skill-category-header { display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-xl); }
.skill-cat-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: var(--gradient-subtle); color: var(--color-primary-light); }
.skill-category-header h3 { font-size: 1.05rem; color: var(--text-primary); }
.skill-items { display: flex; flex-direction: column; gap: var(--space-lg); }
.skill-item { display: flex; flex-direction: column; gap: 6px; }
.skill-name { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }
.skill-bar { width: 100%; height: 6px; background: var(--bg-tertiary); border-radius: var(--radius-full); overflow: hidden; }
.skill-progress { height: 100%; border-radius: var(--radius-full); background: var(--gradient-primary); width: 0; transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); }


/* ==========================================
   13. TIMELINE SECTION
   ========================================== */
.timeline-section { padding: var(--space-4xl) 0; background: var(--bg-primary); }
.timeline { position: relative; max-width: 700px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border-color); }
.timeline-item { position: relative; margin-bottom: var(--space-2xl); padding-bottom: var(--space-xl); }
.timeline-item:last-child { margin-bottom: 0; padding-bottom: 0; }
.timeline-marker { position: absolute; left: -36px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg-primary); border: 3px solid var(--color-primary); z-index: 1; }
.timeline-content { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: var(--space-xl); transition: all var(--transition-base); }
.timeline-content:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.timeline-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-primary-light); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; display: block; }
.timeline-content h3 { font-size: 1.1rem; margin-bottom: var(--space-sm); color: var(--text-primary); }
.timeline-content p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }


/* ==========================================
   14. CONTACT SECTION
   ========================================== */
.contact-section { padding: var(--space-2xl) 0 var(--space-4xl); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); align-items: start; }
.contact-info-title { font-size: clamp(1.4rem, 3vw, 1.8rem); margin-bottom: var(--space-lg); line-height: 1.3; }
.contact-info-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-2xl); }
.contact-methods { display: flex; flex-direction: column; gap: var(--space-md); }
.contact-method-card { display: flex; align-items: center; gap: var(--space-lg); padding: var(--space-lg); background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); transition: all var(--transition-base); }
.contact-method-card:hover { border-color: var(--border-hover); transform: translateX(4px); }
.method-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: var(--gradient-subtle); color: var(--color-primary-light); flex-shrink: 0; }
.method-details h4 { font-size: 0.85rem; color: var(--text-tertiary); font-weight: 500; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.05em; }
.method-details a { font-size: 0.92rem; color: var(--text-primary); font-weight: 500; transition: color var(--transition-fast); }
.method-details a:hover { color: var(--color-primary-light); }
.availability-card { border-color: rgba(52, 211, 153, 0.2); background: rgba(52, 211, 153, 0.05); }
.method-icon.available { background: rgba(52, 211, 153, 0.1); }
.availability-dot { width: 12px; height: 12px; border-radius: 50%; background: #34d399; animation: pulse-dot 2s infinite; }
.availability-text { font-size: 0.92rem; color: #34d399; font-weight: 500; }
.contact-form-wrapper { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: var(--space-2xl); }
.form-title { font-size: 1.3rem; margin-bottom: var(--space-xl); color: var(--text-primary); }
.form-group { margin-bottom: var(--space-lg); position: relative; }
.form-label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-input { width: 100%; padding: 12px 16px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.92rem; transition: all var(--transition-fast); }
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1); }
.form-input.error { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1); }
.form-error { display: none; font-size: 0.78rem; color: #ef4444; margin-top: 4px; }
.form-group.show-error .form-error { display: block; }
.form-select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b6b82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-success { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-lg); background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.2); border-radius: var(--radius-md); margin-top: var(--space-lg); color: #34d399; }
.form-success p { font-size: 0.9rem; line-height: 1.5; }
.form-success strong { color: #34d399; }


/* ==========================================
   15. CTA SECTION
   ========================================== */
.cta-section { padding: var(--space-4xl) 0; background: var(--bg-primary); }
.cta-content { text-align: center; padding: var(--space-3xl); background: var(--gradient-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); position: relative; overflow: hidden; }
.cta-content::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 400px; height: 400px; background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%); pointer-events: none; }
.cta-content h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: var(--space-md); position: relative; }
.cta-content p { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: var(--space-2xl); max-width: 500px; margin-left: auto; margin-right: auto; position: relative; }


/* ==========================================
   16. FOOTER
   ========================================== */
.footer { padding: var(--space-3xl) 0 var(--space-xl); background: var(--bg-secondary); border-top: 1px solid var(--border-color); }
.footer-content { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--space-3xl); margin-bottom: var(--space-2xl); }
.footer-brand p { font-size: 0.9rem; color: var(--text-tertiary); margin-top: var(--space-sm); }
.footer-nav h4, .footer-social h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-primary); margin-bottom: var(--space-lg); }
.footer-nav ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-nav a { font-size: 0.9rem; color: var(--text-secondary); transition: all var(--transition-fast); }
.footer-nav a:hover { color: var(--color-primary-light); padding-left: 4px; }
.social-links { display: flex; gap: var(--space-sm); }
.social-link { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: var(--bg-tertiary); border: 1px solid var(--border-color); color: var(--text-secondary); transition: all var(--transition-fast); }
.social-link:hover { color: var(--color-primary-light); border-color: var(--border-hover); transform: translateY(-2px); background: rgba(99, 102, 241, 0.1); }
.footer-bottom { padding-top: var(--space-xl); border-top: 1px solid var(--border-color); text-align: center; }
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }


/* ==========================================
   17. BUTTONS
   ========================================== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; font-size: 0.92rem; font-weight: 600; border-radius: var(--radius-full); transition: all var(--transition-base); cursor: pointer; border: none; position: relative; overflow: hidden; }
.btn-primary { background: var(--gradient-primary); color: white; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary-light); background: rgba(99, 102, 241, 0.05); transform: translateY(-2px); }
.btn-large { padding: 16px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-loading { display: inline-flex; align-items: center; gap: 8px; }


/* ==========================================
   18. ANIMATIONS
   ========================================== */
.animate-fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; transition-delay: var(--delay, 0s); }
.animate-fade-up.visible { opacity: 1; transform: translateY(0); }


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


/* ==========================================
   20. RESPONSIVE
   ========================================== */

/* Tablets & Small Desktops */
@media (max-width: 1024px) {
    .expertise-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
    .about-image-area { position: relative; top: 0; max-width: 400px; margin: 0 auto; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}

/* Tablets */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links { position: fixed; top: 0; right: -100%; width: 100%; height: 100vh; background: var(--bg-primary); flex-direction: column; align-items: center; justify-content: center; gap: var(--space-md); transition: right var(--transition-base); z-index: 999; }
    .nav-links.active { right: 0; }
    .nav-link { font-size: 1.2rem; padding: 12px 24px; }
    .nav-link.cta-link { margin-left: 0; margin-top: var(--space-md); }
    .nav-link.active::after { display: none; }
    .hero-stats { gap: var(--space-xl); }
    .scroll-indicator { display: none; }
    .expertise-grid { grid-template-columns: 1fr; }
    .featured-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-image { height: 220px; }
    .skills-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: var(--space-xl); text-align: center; }
    .social-links { justify-content: center; }
    .footer-nav a:hover { padding-left: 0; }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root { --space-xl: 1.25rem; --space-2xl: 2rem; --space-3xl: 2.5rem; --space-4xl: 3.5rem; }
    .hero-stats { flex-direction: column; gap: var(--space-lg); }
    .hero-cta { flex-direction: column; width: 100%; }
    .hero-cta .btn { width: 100%; justify-content: center; }
    .filter-tabs { gap: 6px; }
    .filter-btn { padding: 6px 14px; font-size: 0.75rem; }
    .quick-info-cards { justify-content: center; }
    .stat-number { font-size: 1.6rem; }
    .project-image { height: 180px; }
    .project-info { padding: var(--space-lg); }
    .project-title { font-size: 0.95rem; }
    .project-description { font-size: 0.82rem; }
    .project-icon-circle { width: 60px; height: 60px; }
    .project-icon-circle svg { width: 28px; height: 28px; }
    .contact-method-card { flex-direction: column; text-align: center; padding: var(--space-lg); }
    .contact-method-card:hover { transform: translateY(-2px); }
}
/* Inside @media (max-width: 768px) — ADD these lines: */
@media (max-width: 768px) {
   /* ... your existing mobile styles ... */

   .logo-text {
       font-size: 0.95rem;
   }

   .logo-img {
       width: 32px;
       height: 32px;
   }
}

/* Inside @media (max-width: 480px) — ADD these lines: */
@media (max-width: 480px) {
   /* ... your existing small mobile styles ... */

   .logo-text {
       font-size: 0.85rem;
   }

   .logo-img {
       width: 28px;
       height: 28px;
   }
}