/* ==========================================================================
       DESIGN SYSTEM & COLOR VARIABLES (Light Mode: Blue, White, Black)
       ========================================================================== */
    :root {
      /* LIGHT THEME (Default) */
      --bg-page: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-surface-subtle: #F1F5F9;
      --bg-surface-elevated: #FFFFFF;
      
      --border-subtle: #E2E8F0;
      --border-hover: #93C5FD;
      --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.08);

      /* Core Color Trio: Blue, White & Black */
      --color-black: #0F172A;        /* Deep bold slate black */
      --color-white: #FFFFFF;        /* Pure white */
      --color-blue: #2563EB;         /* Vibrant royal blue */
      --color-blue-hover: #1D4ED8;   /* Darker royal blue */
      --color-blue-soft: #EFF6FF;    /* Light ice blue */
      --color-blue-border: #BFDBFE;  /* Gentle blue accent border */
      --color-blue-grad: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
      --color-black-grad: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);

      /* Typography in Light Mode */
      --text-primary: #0F172A;       /* High-contrast black */
      --text-muted: #475569;         /* Slate grey */
      --text-subtle: #64748B;        /* Lighter slate */
      --text-ghost: #CBD5E1;         /* The signature two-tone ghost secondary color */

      --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-xl: 32px;
      --radius-full: 9999px;
      
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* DARK THEME (Optional toggle for user preference) */
    [data-theme="dark"] {
      --bg-page: #0D0D0E;
      --bg-surface: #151518;
      --bg-surface-subtle: #1C1C22;
      --bg-surface-elevated: #18181D;

      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(37, 99, 235, 0.5);
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
      --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
      --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.6);

      --color-black: #FFFFFF;
      --color-white: #0F172A;
      --color-blue: #3B82F6;
      --color-blue-hover: #2563EB;
      --color-blue-soft: rgba(59, 130, 246, 0.15);
      --color-blue-border: rgba(59, 130, 246, 0.3);

      --text-primary: #FFFFFF;
      --text-muted: #94A3B8;
      --text-subtle: #64748B;
      --text-ghost: #27272A;
    }

    /* Reset & Base */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 96px;
      background-color: var(--bg-page);
    }

    body {
      background-color: var(--bg-page);
      color: var(--text-primary);
      font-family: var(--font-family);
      font-size: 15px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      min-height: 100vh;
      transition: background-color 0.3s ease, color 0.3s ease;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    button, input, select, textarea {
      font-family: inherit;
      color: inherit;
      border: none;
      outline: none;
    }

    :focus-visible {
      outline: 2px solid var(--color-blue);
      outline-offset: 3px;
    }

    svg {
      display: block;
      pointer-events: none;
    }

    /* ==========================================================================
       FLOATING TOP NAVIGATION PILL (Clean Light/Dark Floating Nav)
       ========================================================================== */
    .top-nav {
      position: fixed;
      top: 22px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-full);
      padding: 6px 12px;
      display: flex;
      align-items: center;
      gap: 5px;
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
      transition: var(--transition);
      max-width: calc(100vw - 24px);
    }

    [data-theme="dark"] .top-nav {
      background: rgba(21, 21, 24, 0.85);
      box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
    }

    .nav-btn {
      width: 44px;
      height: 40px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: var(--text-subtle);
      transition: var(--transition);
      position: relative;
    }

    .nav-btn:hover {
      color: var(--color-blue);
      background: var(--color-blue-soft);
    }

    .nav-btn.active {
      color: var(--color-blue);
      background: var(--color-blue-soft);
      box-shadow: inset 0 0 0 1px var(--color-blue-border);
    }

    .nav-btn svg {
      width: 19px;
      height: 19px;
      stroke: currentColor;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
    }

    /* Theme Toggle Button inside Nav */
    .theme-toggle-btn {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--bg-surface-subtle);
      color: var(--color-blue);
      cursor: pointer;
      margin-left: 4px;
      border: 1px solid var(--border-subtle);
      transition: var(--transition);
      flex-shrink: 0;
    }

    .theme-toggle-btn:hover {
      transform: rotate(25deg) scale(1.08);
      background: var(--color-blue-soft);
    }

    /* Top Nav Responsive Adjustments for Mobile & Tablets */
    @media (max-width: 768px) {
      .top-nav {
        top: 14px;
        padding: 5px 10px;
        gap: 3px;
      }
      .nav-btn {
        width: 40px;
        height: 38px;
      }
    }

    @media (max-width: 480px) {
      .top-nav {
        top: 10px;
        padding: 4px 8px;
        gap: 2px;
        max-width: calc(100vw - 16px);
      }
      .nav-btn {
        width: 36px;
        height: 36px;
        border-radius: 9px;
      }
      .nav-btn svg {
        width: 17px;
        height: 17px;
      }
      .theme-toggle-btn {
        width: 32px;
        height: 32px;
        margin-left: 2px;
      }
    }

    @media (max-width: 350px) {
      .top-nav {
        top: 8px;
        padding: 3px 5px;
        gap: 1px;
      }
      .nav-btn {
        width: 32px;
        height: 32px;
        border-radius: 8px;
      }
      .nav-btn svg {
        width: 15px;
        height: 15px;
      }
      .theme-toggle-btn {
        width: 28px;
        height: 28px;
      }
    }

    /* ==========================================================================
       MAIN LAYOUT CONTAINER (Responsive for Ultrawide, PC, Tablet, Mobile)
       ========================================================================== */
    .page-wrapper {
      max-width: 1340px;
      margin: 0 auto;
      padding: 96px 32px 80px;
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: clamp(32px, 4vw, 56px);
      align-items: start;
      min-width: 0;
    }

    /* Sticky Profile Sidebar on Desktop */
    .sidebar {
      position: sticky;
      top: 96px;
      z-index: 20;
      height: fit-content;
      align-self: start;
    }

    @media (max-width: 940px) {
      .page-wrapper {
        grid-template-columns: 1fr;
        padding-top: 84px;
        gap: 44px;
      }
      .sidebar {
        position: static;
        max-width: 440px;
        margin: 0 auto;
        width: 100%;
      }
    }

    @media (max-width: 480px) {
      .page-wrapper {
        padding: 68px 16px 50px;
        gap: 36px;
      }
      .sidebar {
        max-width: 100%;
      }
      .profile-card {
        padding: 20px 16px 22px;
        border-radius: 22px;
      }
    }

    .profile-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 28px;
      padding: 24px 22px 28px;
      text-align: center;
      color: var(--text-primary);
      box-shadow: var(--shadow-lg);
      transition: var(--transition);
    }

    /* Clean Minimal Profile Picture */
    .avatar-box {
      width: 128px;
      height: 128px;
      border-radius: 50%;
      overflow: hidden;
      margin: 0 auto 20px;
      border: 3px solid var(--border-subtle);
      background: var(--bg-surface-subtle);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .avatar-box:hover {
      border-color: var(--color-blue);
      transform: scale(1.02);
    }

    .avatar-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center 20%;
      display: block;
    }



    .profile-name {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.025em;
      line-height: 1.15;
      margin-bottom: 8px;
    }

    .profile-bio {
      color: var(--text-muted);
      font-size: 13.5px;
      line-height: 1.55;
      margin-bottom: 20px;
      padding: 0 4px;
    }

    /* Social Icons Row */
    .profile-socials {
      display: flex;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 20px;
    }

    .social-btn {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--color-blue-soft);
      border: 1px solid var(--color-blue-border);
      display: grid;
      place-items: center;
      color: var(--color-blue);
      transition: var(--transition);
      font-size: 17px;
    }

    .social-btn svg {
      width: 18px;
      height: 18px;
      stroke: currentColor;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
    }

    .social-btn:hover {
      background: var(--color-blue);
      color: #FFFFFF;
      border-color: var(--color-blue);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
    }

    /* Brand Specific Social Buttons */
    .social-btn.social-github {
      background: var(--bg-surface-subtle);
      border-color: var(--border-subtle);
      color: #0F172A;
    }

    [data-theme="dark"] .social-btn.social-github {
      color: #F8FAFC;
      border-color: rgba(255, 255, 255, 0.12);
    }

    .social-btn.social-github:hover {
      background: #0F172A;
      color: #FFFFFF;
      border-color: #0F172A;
      box-shadow: 0 6px 16px rgba(15, 23, 42, 0.3);
    }

    [data-theme="dark"] .social-btn.social-github:hover {
      background: #334155;
      border-color: #475569;
    }

    .social-btn.social-linkedin {
      background: #EFF6FF;
      border-color: #BFDBFE;
      color: #0A66C2;
    }

    [data-theme="dark"] .social-btn.social-linkedin {
      background: rgba(10, 102, 194, 0.16);
      border-color: rgba(10, 102, 194, 0.35);
      color: #388BFD;
    }

    .social-btn.social-linkedin:hover {
      background: #0A66C2;
      color: #FFFFFF;
      border-color: #0A66C2;
      box-shadow: 0 6px 16px rgba(10, 102, 194, 0.35);
    }

    .social-btn.social-whatsapp {
      background: #DCFCE7;
      border-color: #BBF7D0;
      color: #16A34A;
    }

    .social-btn.social-whatsapp svg {
      fill: currentColor;
      stroke: none;
    }

    [data-theme="dark"] .social-btn.social-whatsapp {
      background: rgba(22, 163, 74, 0.16);
      border-color: rgba(22, 163, 74, 0.35);
      color: #4ADE80;
    }

    .social-btn.social-whatsapp:hover {
      background: #25D366;
      color: #FFFFFF;
      border-color: #25D366;
      box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
    }

    .sidebar-actions {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .profile-action-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      padding: 12px 18px;
      background: var(--color-blue);
      color: #FFFFFF;
      border-radius: var(--radius-md);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: -0.01em;
      transition: var(--transition);
      box-shadow: 0 6px 18px rgba(37, 99, 235, 0.25);
    }

    .profile-action-btn:hover {
      background: var(--color-blue-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(37, 99, 235, 0.35);
    }

    .profile-action-btn.secondary {
      background: var(--bg-surface);
      color: var(--text-primary);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
    }

    .profile-action-btn.secondary:hover {
      background: var(--color-blue-soft);
      color: var(--color-blue);
      border-color: var(--color-blue-border);
      transform: translateY(-2px);
    }

    /* ==========================================================================
       RIGHT COLUMN: CONTENT SECTIONS
       ========================================================================== */
    .content-area {
      min-width: 0;
    }

    section {
      padding-top: clamp(64px, 8vw, 100px);
    }

    section:first-of-type {
      padding-top: 0;
    }

    /* ==========================================================================
       TWO-TONE HEADINGS (High-Contrast Black & Ghost Muted Slate)
       ========================================================================== */
    .dual-heading {
      text-align: center;
      margin-bottom: 28px;
      text-transform: uppercase;
      font-weight: 900;
      letter-spacing: -0.025em;
      line-height: 0.98;
      font-size: clamp(28px, 7.5vw, 68px);
      word-break: break-word;
      overflow-wrap: break-word;
    }

    .dual-heading .heading-primary {
      display: block;
      color: var(--text-primary);
    }

    .dual-heading .heading-ghost {
      display: block;
      color: var(--text-ghost);
      user-select: none;
    }

    .section-intro-text {
      text-align: center;
      color: var(--text-muted);
      font-size: clamp(14px, 2.5vw, 16px);
      line-height: 1.65;
      max-width: 540px;
      margin: 0 auto 32px;
      padding: 0 8px;
    }

    /* ==========================================================================
       HERO STATS BAR (Blue, White, Black Palette)
       ========================================================================== */
    .hero-stats {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: clamp(18px, 4.5vw, 56px);
      margin: 28px 0 38px;
      text-align: center;
      flex-wrap: wrap;
    }

    .stat-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      min-width: 80px;
    }

    .stat-number {
      font-size: clamp(28px, 4.5vw, 44px);
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.02em;
      line-height: 1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: clamp(10px, 1.8vw, 11px);
      font-weight: 700;
      color: var(--color-blue);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    @media (max-width: 360px) {
      .hero-stats {
        gap: 14px;
        margin: 20px 0 28px;
      }
      .stat-item {
        min-width: 70px;
      }
    }

    /* ==========================================================================
       HERO FEATURE CARDS (Card 1: Royal Blue | Card 2: Deep Slate Black)
       ========================================================================== */
    .hero-feature-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 24px;
    }

    @media (max-width: 640px) {
      .hero-feature-cards {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .feat-card {
        padding: 20px;
        min-height: 160px;
      }
      .feat-title {
        font-size: 17px;
        max-width: 100%;
        margin-top: 18px;
      }
    }

    .feat-card {
      border-radius: 22px;
      padding: 24px;
      min-height: 190px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
      cursor: pointer;
    }

    .feat-card:hover {
      transform: translateY(-4px);
    }

    /* Card 1: Vibrant Royal Blue */
    .feat-blue {
      background: var(--color-blue-grad);
      color: #FFFFFF;
      box-shadow: 0 16px 36px rgba(37, 99, 235, 0.28);
    }

    /* Card 2: Deep Slate Black / Charcoal */
    .feat-black {
      background: var(--color-black-grad);
      color: #FFFFFF;
      box-shadow: 0 16px 36px rgba(15, 23, 42, 0.2);
    }

    /* Subtle geometric grid texture on black card */
    .feat-black::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: repeating-linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.03),
        rgba(255, 255, 255, 0.03) 1px,
        transparent 1px,
        transparent 14px
      );
      pointer-events: none;
    }

    .feat-top-icon {
      width: 38px;
      height: 38px;
    }

    .feat-top-icon svg {
      width: 100%;
      height: 100%;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
    }

    .feat-title {
      font-size: 19px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: -0.015em;
      line-height: 1.25;
      max-width: 230px;
      margin-top: 28px;
      z-index: 1;
    }

    .feat-arrow-box {
      position: absolute;
      right: 20px;
      bottom: 20px;
      width: 40px;
      height: 40px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      transition: var(--transition);
      z-index: 2;
    }

    .feat-blue .feat-arrow-box {
      border: 1.5px solid rgba(255, 255, 255, 0.4);
      background: rgba(255, 255, 255, 0.15);
      color: #FFFFFF;
    }

    .feat-black .feat-arrow-box {
      border: 1.5px solid rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
    }

    .feat-arrow-box svg {
      width: 18px;
      height: 18px;
      stroke: currentColor;
      stroke-width: 2.2;
      fill: none;
      transition: transform 0.25s ease;
    }

    .feat-card:hover .feat-arrow-box {
      transform: scale(1.08);
    }

    .feat-blue:hover .feat-arrow-box {
      background: #FFFFFF;
      color: var(--color-blue);
    }

    .feat-black:hover .feat-arrow-box {
      background: #FFFFFF;
      color: #0F172A;
    }

    /* ==========================================================================
       FEATURED & RECENT PROJECTS (Approach 1: Commercial Showcase + Archive)
       ========================================================================== */
    .featured-showcase-container {
      display: flex;
      flex-direction: column;
      gap: 32px;
      margin-bottom: 36px;
    }

    .featured-project-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 24px;
      padding: clamp(20px, 3.5vw, 32px);
      box-shadow: var(--shadow-md);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .featured-project-card:hover {
      border-color: var(--color-blue-border);
      box-shadow: 0 16px 36px rgba(37, 99, 235, 0.1);
      transform: translateY(-2px);
    }

    .featured-card-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 12px;
    }

    .featured-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 12px;
      border-radius: 999px;
      font-size: 11.5px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .featured-badge.live {
      background: #DCFCE7;
      color: #16A34A;
      border: 1px solid #BBF7D0;
    }

    [data-theme="dark"] .featured-badge.live {
      background: rgba(22, 163, 74, 0.16);
      color: #4ADE80;
      border-color: rgba(22, 163, 74, 0.3);
    }

    .featured-badge.saas {
      background: var(--color-blue-soft);
      color: var(--color-blue);
      border: 1px solid var(--color-blue-border);
    }

    .domain-badge-mono {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 11.5px;
      font-weight: 600;
      color: var(--text-muted);
      background: var(--bg-surface-subtle);
      border: 1px solid var(--border-subtle);
      padding: 3px 9px;
      border-radius: 6px;
    }

    .live-indicator-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: currentColor;
      box-shadow: 0 0 8px currentColor;
      animation: pulseDot 2s infinite ease-in-out;
    }

    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .featured-title {
      font-size: clamp(20px, 2.5vw, 24px);
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.02em;
      line-height: 1.25;
      margin-bottom: 4px;
    }

    .featured-subtitle {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.45;
      margin-bottom: 12px;
    }

    .tech-tags-list {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin: 12px 0 16px;
    }

    .tech-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 11.5px;
      font-weight: 600;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      background: var(--bg-surface-subtle);
      border: 1px solid var(--border-subtle);
      color: var(--text-primary);
      transition: var(--transition);
    }

    .tech-tag:hover {
      border-color: var(--color-blue-border);
      color: var(--color-blue);
      background: var(--color-blue-soft);
    }

    .tech-tag-sm {
      display: inline-flex;
      align-items: center;
      padding: 2px 7px;
      border-radius: 6px;
      font-size: 11px;
      font-weight: 600;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      background: var(--color-blue-soft);
      color: var(--color-blue);
      border: 1px solid var(--color-blue-border);
    }

    .project-tags-row {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin-top: 5px;
    }

    .archive-section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      margin: 44px 0 20px;
      padding-top: 24px;
      border-top: 1px dashed var(--border-subtle);
    }

    .archive-section-header .project-filters {
      margin-bottom: 0;
    }

    .project-filters {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }

    .filter-btn {
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      border: 1px solid var(--border-subtle);
      background: var(--bg-surface);
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .filter-btn:hover {
      border-color: var(--color-blue);
      color: var(--color-blue);
      background: var(--color-blue-soft);
    }

    .filter-btn.active {
      background: var(--color-blue);
      border-color: var(--color-blue);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
    }

    .other-projects-accordion {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .project-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .project-card:hover {
      border-color: var(--border-hover);
      box-shadow: 0 12px 30px rgba(37, 99, 235, 0.08);
      transform: translateY(-2px);
    }

    .project-card.is-open {
      border-color: var(--color-blue);
      box-shadow: 0 16px 36px rgba(37, 99, 235, 0.1);
    }

    .project-header-btn {
      width: 100%;
      background: transparent;
      padding: 14px 16px;
      display: grid;
      grid-template-columns: 48px 1fr auto;
      gap: 12px;
      align-items: center;
      cursor: pointer;
      text-align: left;
    }

    .project-thumb {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--color-blue-soft);
      display: grid;
      place-items: center;
      flex-shrink: 0;
      box-shadow: 0 4px 10px rgba(15, 23, 42, 0.05);
      border: 1px solid var(--border-subtle);
    }

    .project-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: top center;
    }

    .project-info h3 {
      font-size: 16.5px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.015em;
      line-height: 1.25;
      margin-bottom: 3px;
    }

    .project-info .project-category {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.35;
    }

    .project-toggle-indicator {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--color-blue-soft);
      border: 1px solid var(--color-blue-border);
      display: grid;
      place-items: center;
      color: var(--color-blue);
      transition: var(--transition);
      flex-shrink: 0;
    }

    .project-toggle-indicator svg {
      width: 16px;
      height: 16px;
      stroke: currentColor;
      stroke-width: 2.2;
      fill: none;
      transition: transform 0.25s ease;
    }

    .project-card.is-open .project-toggle-indicator {
      background: var(--color-blue);
      color: #FFFFFF;
      border-color: var(--color-blue);
    }

    .project-card.is-open .project-toggle-indicator svg {
      transform: rotate(180deg);
    }

    /* Expandable Project Details Body */
    .project-details-body {
      display: none;
      padding: 10px 22px 26px;
      border-top: 1px solid var(--border-subtle);
      background: var(--bg-surface-subtle);
    }

    .project-card.is-open .project-details-body {
      display: block;
      animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(-6px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .project-desc {
      color: var(--text-primary);
      font-size: 15px;
      line-height: 1.6;
      margin: 12px 0 14px;
    }

    .project-highlights-list {
      list-style: none;
      margin-bottom: 20px;
      display: grid;
      gap: 8px;
    }

    .project-highlights-list li {
      position: relative;
      padding-left: 20px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.5;
    }

    .project-highlights-list li::before {
      content: "";
      position: absolute;
      left: 2px;
      top: 7px;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-blue);
    }

    /* Project Visual Mockup Frame (Framer-style showcase) */
    .project-mockup-frame {
      margin: 16px 0 18px;
      border-radius: 12px;
      border: 1px solid var(--border-subtle);
      background: var(--bg-surface);
      overflow: hidden;
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
      transition: var(--transition);
    }

    .project-mockup-frame:hover {
      box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
      border-color: var(--color-blue-border);
    }

    .mockup-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 9px 14px;
      background: var(--bg-surface-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

    .mockup-dots {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .mockup-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
    }

    .mockup-dot.red { background: #FDA4AF; }
    .mockup-dot.yellow { background: #FDE047; }
    .mockup-dot.green { background: #86EFAC; }

    .mockup-url-pill {
      margin-left: 6px;
      padding: 3px 12px;
      border-radius: 999px;
      background: var(--bg-page);
      border: 1px solid var(--border-subtle);
      font-size: 11.5px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      max-width: 380px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mockup-url-pill svg {
      color: #10B981;
      flex-shrink: 0;
    }

    .mockup-content {
      width: 100%;
      height: auto;
      max-height: 440px;
      background: var(--bg-surface);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .mockup-content img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      object-position: top center;
      transition: transform 0.4s ease, opacity 0.25s ease;
    }

    .project-mockup-frame:hover .mockup-content img {
      transform: scale(1.01);
    }

    /* Multi-Screenshot Gallery Switcher Bar */
    .mockup-gallery-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 9px 14px;
      background: var(--bg-surface-subtle);
      border-top: 1px solid var(--border-subtle);
      overflow-x: auto;
      scrollbar-width: thin;
    }

    .mockup-gallery-label {
      font-size: 11px;
      font-weight: 700;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.04em;
      white-space: nowrap;
      margin-right: 2px;
    }

    .mockup-tab-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 12px;
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .mockup-tab-pill:hover {
      color: var(--text-primary);
      border-color: var(--color-blue-border);
      background: var(--color-blue-soft);
    }

    .mockup-tab-pill.active {
      color: #FFFFFF;
      background: var(--color-blue);
      border-color: var(--color-blue);
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    }

    .mockup-screens-count {
      margin-left: auto;
      font-size: 11px;
      font-weight: 600;
      color: var(--color-blue);
      background: var(--color-blue-soft);
      border: 1px solid var(--color-blue-border);
      padding: 2px 8px;
      border-radius: 999px;
      white-space: nowrap;
    }

    /* Mobile Frame Styling */
    .project-mockup-frame.mobile-frame {
      max-width: 440px;
      margin: 16px auto 18px;
    }

    .project-actions-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 18px;
    }

    .btn-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: 12px;
      font-size: 13.5px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-blue {
      background: var(--color-blue);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    }

    .btn-blue:hover {
      background: var(--color-blue-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(37, 99, 235, 0.35);
    }

    .btn-outline {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      color: var(--text-primary);
    }

    .btn-outline:hover {
      background: var(--color-blue-soft);
      border-color: var(--color-blue-border);
      color: var(--color-blue);
    }

    .demo-credential-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12.5px;
      color: var(--text-subtle);
      background: var(--bg-surface);
      padding: 6px 12px;
      border-radius: 8px;
      border: 1px solid var(--border-subtle);
      transition: var(--transition);
    }

    a.demo-credential-pill {
      text-decoration: none;
      cursor: pointer;
    }

    a.demo-credential-pill:hover {
      color: var(--color-blue);
      border-color: var(--color-blue-border);
      background: var(--color-blue-soft);
      transform: translateY(-1px);
    }

    @media (max-width: 540px) {
      .project-header-btn {
        grid-template-columns: 46px 1fr auto;
        padding: 13px 14px;
        gap: 12px;
      }
      .project-thumb {
        width: 46px;
        height: 46px;
      }
      .project-info h3 {
        font-size: 16px;
      }
      .project-info .project-category {
        font-size: 12.5px;
      }
      .project-details-body {
        padding: 8px 14px 20px;
      }
      .project-actions-row {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }
      .btn-action {
        width: 100%;
        justify-content: center;
      }
      .demo-credential-pill {
        width: 100%;
        justify-content: center;
      }
    }

    @media (max-width: 360px) {
      .project-header-btn {
        grid-template-columns: 40px 1fr auto;
        padding: 11px 10px;
        gap: 8px;
      }
      .project-thumb {
        width: 40px;
        height: 40px;
      }
      .project-info h3 {
        font-size: 14.5px;
      }
      .project-toggle-indicator {
        width: 30px;
        height: 30px;
      }
    }

    /* ==========================================================================
       CAREER & BACKGROUND (Equal Rows & Balanced Grid System)
       ========================================================================== */
    .timeline-section-block {
      margin-bottom: 34px;
    }

    .timeline-section-block:last-child {
      margin-bottom: 0;
    }

    .timeline-row-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      align-items: stretch;
      margin-top: 16px;
    }

    @media (max-width: 980px) {
      .timeline-row-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-row-grid > .timeline-card:nth-child(3) {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 640px) {
      .timeline-row-grid {
        grid-template-columns: 1fr;
      }
      .timeline-row-grid > .timeline-card:nth-child(3) {
        grid-column: auto;
      }
    }

    .column-title-pill {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 18px;
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 999px;
      font-size: 13.5px;
      font-weight: 800;
      color: var(--text-primary);
      box-shadow: var(--shadow-sm);
    }



    .col-pill-count {
      margin-left: 8px;
      font-size: 11px;
      font-weight: 700;
      color: var(--color-blue);
      background: var(--color-blue-soft);
      padding: 3px 9px;
      border-radius: 999px;
      border: 1px solid var(--color-blue-border);
    }

    .timeline-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 22px 20px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .timeline-card:hover {
      border-color: var(--color-blue-border);
      box-shadow: 0 10px 24px rgba(37, 99, 235, 0.08);
      transform: translateY(-2px);
    }

    .timeline-card.highlight-card {
      border-color: var(--color-blue-border);
      background: linear-gradient(180deg, var(--bg-surface) 0%, var(--color-blue-soft) 100%);
    }

    .timeline-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 6px;
    }

    .timeline-role {
      font-size: 15.5px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.015em;
      line-height: 1.3;
    }

    .timeline-date {
      font-size: 11px;
      font-weight: 700;
      color: var(--color-blue);
      background: var(--color-blue-soft);
      padding: 3px 8px;
      border-radius: 9999px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .timeline-subtag,
    .timeline-inst {
      font-size: 12.5px;
      font-weight: 700;
      color: var(--color-blue);
      margin-bottom: 8px;
    }

    .timeline-desc {
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.55;
      flex-grow: 1;
    }

    .cert-link-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: auto;
      padding: 6px 14px;
      font-size: 12px;
      font-weight: 700;
      color: var(--color-blue);
      background: var(--color-blue-soft);
      border: 1px solid var(--color-blue-border);
      border-radius: 9999px;
      text-decoration: none;
      transition: var(--transition);
      width: fit-content;
      align-self: flex-start;
    }

    .cert-link-pill:hover {
      background: var(--color-blue);
      color: #FFFFFF;
      border-color: var(--color-blue);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.22);
    }

    .cert-link-pill svg {
      width: 13px;
      height: 13px;
      stroke: currentColor;
      flex-shrink: 0;
    }

    .timeline-bullets {
      list-style: none;
      display: grid;
      gap: 6px;
      margin-top: 4px;
      flex-grow: 1;
    }

    .timeline-bullets li {
      position: relative;
      padding-left: 15px;
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .timeline-bullets li::before {
      content: "";
      position: absolute;
      left: 2px;
      top: 7px;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--color-blue);
    }

    @media (max-width: 540px) {
      .timeline-card {
        padding: 16px;
        border-radius: 16px;
      }
      .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
      }
      .timeline-role {
        font-size: 15px;
      }
      .timeline-date {
        font-size: 11.5px;
      }
    }

    .subsection-divider {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-subtle);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin: 44px 0 18px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .subsection-divider::after {
      content: "";
      flex: 1;
      height: 1px;
      background: var(--border-subtle);
    }

    /* ==========================================================================
       SKILLS & TOOLS GRID (White cards + Blue accents)
       ========================================================================== */
    /* ==========================================================================
       SKILLS & TOOLS GRID (White cards + Blue accents)
       ========================================================================== */
    .tools-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 16px;
    }

    @media (max-width: 560px) {
      .tools-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
    }

    .tool-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      display: flex;
      align-items: center;
      gap: 16px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .tool-item:hover {
      border-color: var(--border-hover);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .tool-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--color-blue-soft);
      display: grid;
      place-items: center;
      flex-shrink: 0;
      border: 1px solid var(--color-blue-border);
      color: var(--color-blue);
      transition: var(--transition);
    }

    .tool-icon-box svg {
      width: 24px;
      height: 24px;
      stroke: currentColor;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
      transition: var(--transition);
    }

    .tool-item:hover .tool-icon-box {
      background: var(--color-blue);
      color: #FFFFFF;
      border-color: var(--color-blue);
      transform: scale(1.06);
      box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
    }

    .tool-meta h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.25;
      margin-bottom: 2px;
    }

    .tool-meta p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.35;
    }

    /* ==========================================================================
       DESIGN & ENGINEERING THOUGHTS (3-Column Article Cards on Desktop)
       ========================================================================== */
    .articles-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      align-items: stretch;
    }

    @media (max-width: 980px) {
      .articles-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .articles-list {
        grid-template-columns: 1fr;
      }
    }

    .article-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 24px 22px;
      transition: var(--transition);
      cursor: pointer;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-card:hover {
      border-color: var(--color-blue-border);
      box-shadow: 0 10px 26px rgba(37, 99, 235, 0.08);
      transform: translateY(-3px);
    }

    .article-card h3 {
      font-size: 17px;
      font-weight: 800;
      color: var(--text-primary);
      line-height: 1.35;
      letter-spacing: -0.015em;
      margin-bottom: 8px;
      transition: color 0.2s ease;
    }

    .article-card:hover h3 {
      color: var(--color-blue);
    }

    .article-card p {
      color: var(--text-muted);
      font-size: 13.5px;
      line-height: 1.55;
      margin-bottom: 14px;
      flex-grow: 1;
    }

    .article-meta {
      display: flex;
      gap: 12px;
      align-items: center;
      font-size: 12.5px;
      font-weight: 700;
      color: var(--color-blue);
      padding-top: 10px;
      border-top: 1px solid var(--border-subtle);
    }

    .article-meta .meta-dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--color-blue-border);
    }

    @media (max-width: 540px) {
      .article-card {
        padding: 18px 16px;
        border-radius: 18px;
      }
      .article-card h3 {
        font-size: 16px;
      }
      .article-card p {
        font-size: 13px;
      }
    }

    /* ==========================================================================
       CONTACT SECTION: 2-COLUMN HUB (Direct Channels + Form)
       ========================================================================== */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.35fr;
      gap: 32px;
      align-items: start;
    }

    @media (max-width: 860px) {
      .contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-info-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 24px;
      padding: 28px 24px;
      box-shadow: var(--shadow-md);
    }



    .contact-info-card h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-primary);
      line-height: 1.25;
      margin-bottom: 8px;
      letter-spacing: -0.015em;
    }

    .contact-info-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 22px;
    }

    .direct-channels-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .channel-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 16px;
      background: var(--bg-surface-subtle);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      text-decoration: none;
      transition: var(--transition);
    }

    .channel-item:not(.no-click):hover {
      border-color: var(--color-blue);
      background: var(--color-blue-soft);
      transform: translateX(3px);
    }

    .channel-item.channel-whatsapp:not(.no-click):hover {
      border-color: #25D366;
      background: #F0FDF4;
    }

    [data-theme="dark"] .channel-item.channel-whatsapp:not(.no-click):hover {
      background: rgba(22, 163, 74, 0.12);
      border-color: #16A34A;
    }

    .channel-item.channel-linkedin:not(.no-click):hover {
      border-color: #0A66C2;
      background: #EFF6FF;
    }

    [data-theme="dark"] .channel-item.channel-linkedin:not(.no-click):hover {
      background: rgba(10, 102, 194, 0.12);
      border-color: #0A66C2;
    }

    .channel-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      display: grid;
      place-items: center;
      color: var(--color-blue);
      flex-shrink: 0;
    }

    .channel-icon svg {
      width: 18px;
      height: 18px;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
    }

    .channel-icon.whatsapp-icon {
      color: #16A34A;
      background: #DCFCE7;
      border-color: #BBF7D0;
    }

    .channel-icon.whatsapp-icon svg {
      fill: currentColor;
      stroke: none;
    }

    [data-theme="dark"] .channel-icon.whatsapp-icon {
      color: #4ADE80;
      background: rgba(22, 163, 74, 0.16);
      border-color: rgba(22, 163, 74, 0.3);
    }

    .channel-icon.linkedin-icon {
      color: #0A66C2;
      background: #EFF6FF;
      border-color: #BFDBFE;
    }

    [data-theme="dark"] .channel-icon.linkedin-icon {
      color: #388BFD;
      background: rgba(10, 102, 194, 0.16);
      border-color: rgba(10, 102, 194, 0.3);
    }

    .channel-meta {
      display: flex;
      flex-direction: column;
    }

    .channel-label {
      font-size: 11px;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .channel-val {
      font-size: 13.5px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .contact-card-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 24px;
      padding: clamp(20px, 4vw, 32px);
      box-shadow: var(--shadow-md);
    }

    .contact-form {
      display: grid;
      gap: 18px;
    }

    .form-row-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .form-control {
      width: 100%;
      background: var(--bg-surface-subtle);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 14px 16px;
      color: var(--text-primary);
      font-size: 15px;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--color-blue);
      background: var(--bg-surface);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

    .form-control::placeholder {
      color: #94A3B8;
    }

    textarea.form-control {
      min-height: 130px;
      resize: vertical;
    }

    select.form-control {
      appearance: none;
      background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563EB' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
      background-repeat: no-repeat;
      background-position: right 16px center;
      background-size: 16px;
      padding-right: 42px;
      cursor: pointer;
    }

    select.form-control option {
      background: var(--bg-surface);
      color: var(--text-primary);
    }

    .form-actions-row {
      display: flex;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
    }

    .btn-submit {
      flex: 1 1 200px;
      background: var(--color-blue);
      color: #FFFFFF;
      font-size: 15.5px;
      font-weight: 700;
      padding: 15px 22px;
      border-radius: 12px;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .btn-submit:hover {
      background: var(--color-blue-hover);
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(37, 99, 235, 0.4);
    }

    .btn-whatsapp-cta {
      flex: 1 1 190px;
      background: #F0FDF4;
      border: 1px solid #BBF7D0;
      color: #16A34A;
      font-size: 15.5px;
      font-weight: 700;
      padding: 15px 22px;
      border-radius: 12px;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      text-decoration: none;
    }

    [data-theme="dark"] .btn-whatsapp-cta {
      background: rgba(22, 163, 74, 0.12);
      border-color: rgba(22, 163, 74, 0.3);
      color: #4ADE80;
    }

    .btn-whatsapp-cta:hover {
      background: #16A34A;
      color: #FFFFFF;
      border-color: #16A34A;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(22, 163, 74, 0.3);
    }

    .btn-whatsapp-cta svg {
      fill: currentColor;
      stroke: none;
      width: 18px;
      height: 18px;
      flex-shrink: 0;
    }

    .contact-direct-info {
      text-align: center;
      margin-top: 24px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .contact-direct-info a {
      color: var(--color-blue);
      font-weight: 700;
    }

    .contact-direct-info a:hover {
      text-decoration: underline;
    }

    .contact-direct-info a.direct-wa-link {
      color: #16A34A;
    }

    .contact-direct-info a.direct-wa-link:hover {
      color: #25D366;
    }

    [data-theme="dark"] .contact-direct-info a.direct-wa-link {
      color: #4ADE80;
    }

    .contact-direct-info a.direct-li-link {
      color: #0A66C2;
    }

    .contact-direct-info a.direct-li-link:hover {
      color: #004182;
    }

    [data-theme="dark"] .contact-direct-info a.direct-li-link {
      color: #388BFD;
    }

    @media (max-width: 580px) {
      .contact-card-box {
        padding: 22px 16px;
        border-radius: 20px;
      }
      .form-row-2 {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .form-control {
        font-size: 16px; /* Prevents auto-zoom on iOS */
        padding: 13px 14px;
      }
      .btn-submit {
        padding: 14px;
        font-size: 15px;
      }
    }

    /* Modal for Reading Articles */
    .article-modal {
      position: fixed;
      inset: 0;
      z-index: 2000;
      background: rgba(15, 23, 42, 0.7);
      backdrop-filter: blur(12px);
      display: none;
      place-items: center;
      padding: 24px;
    }

    .article-modal.is-open {
      display: grid;
    }

    .modal-content-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: 24px;
      max-width: 680px;
      width: 100%;
      padding: 36px;
      position: relative;
      max-height: 85vh;
      overflow-y: auto;
      box-shadow: 0 25px 60px rgba(15, 23, 42, 0.25);
    }

    .modal-close-btn {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--color-blue-soft);
      color: var(--color-blue);
      display: grid;
      place-items: center;
      cursor: pointer;
      font-size: 20px;
      border: 1px solid var(--color-blue-border);
    }

    @media (max-width: 540px) {
      .article-modal {
        padding: 14px;
      }
      .modal-content-card {
        padding: 24px 16px;
        border-radius: 18px;
        max-height: 90vh;
      }
      .modal-close-btn {
        top: 12px;
        right: 12px;
        width: 32px;
        height: 32px;
      }
    }

    /* Footer */
    footer {
      text-align: center;
      padding: 60px 0 20px;
      font-size: 13.5px;
      color: var(--text-subtle);
    }

    @media (max-width: 480px) {
      footer {
        padding: 40px 12px 24px;
        font-size: 12.5px;
      }
    }

    footer a {
      color: var(--color-blue);
      font-weight: 600;
    }

    footer a:hover {
      text-decoration: underline;
    }