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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'Inter', sans-serif;
    background: #0b0f19;
    color: #f3f4f6;
    overflow-x: hidden;
    line-height: 1.7;
  }

  /* Accessibility - Skip Link */
  .skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #3b82f6;
    color: white;
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s;
  }

  .skip-link:focus {
    top: 0;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  a:focus-visible,
  button:focus-visible {
    outline: 2px solid #60a5fa;
    outline-offset: 3px;
  }

  .container {
    width: 90%;
    max-width: 1300px;
    margin: auto;
  }

  section {
    padding: 100px 0;
  }

  .section-title {
    font-size: 40px;
    margin-bottom: 48px;
    font-weight: 700;
    line-height: 1.15;
    text-align: center;
  }

  .muted {
    color: #9ca3af;
  }

  /* NAVBAR */
    nav{
      position:fixed;
      top:0;
      width:100%;
      z-index:999;
      backdrop-filter:blur(12px);
      background:rgba(11,15,25,0.75);
      border-bottom:1px solid rgba(255,255,255,0.05);
    }

    .nav-container{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:20px 0;
    }

    .logo{
      font-size:22px;
      font-weight:700;
      letter-spacing:1px;
    }

  /* Dropdown container */
  .dropdown {
    position: relative;
    display: inline-block;
  }

  /* Main button */
  .dropbtn {
    appearance: none;
    background: transparent;
    border: 0;
    color: #dbeafe;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
    padding: 10px 14px;
    display: inline-block;
  }

  /* Dropdown menu (hidden by default) */
  .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #111a2e;
    min-width: 260px;
    border: 1px solid #1f2a44;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    padding: 8px 0;
    z-index: 999;
  }

  /* Links inside dropdown */
  .dropdown-content a {
    display: block;
    padding: 12px 16px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.35;
  }

  .dropdown-content a:hover {
    background: #0f172a;
    color: #38bdf8;
  }

  /* SHOW on hover */
  .dropdown:hover .dropdown-content {
    display: block;
  }

  .dropdown:focus-within .dropdown-content {
    display: block;
  }

  /* Hover effect on main button */
  .dropbtn:hover {
    color: #38bdf8;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 18px 20px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-links a,
  .dropbtn {
    border-radius: 999px;
  }

  .nav-links a {
    color: #d1d5db;
    transition: 0.3s;
  }

  .nav-links a:hover {
    color: #3b82f6;
  }

  /* HERO */
  .hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    position: relative;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
  }

  .hero-subtitle {
    color: #3b82f6;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .hero h1 {
    font-size: clamp(42px, 5vw, 58px);
    line-height: 1.08;
    margin-bottom: 24px;
  }

  .hero p {
    font-size: 18px;
    color: #9ca3af;
    margin-bottom: 32px;
    max-width: 680px;
  }

  .hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }

  .btn {
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 600;
    transition: 0.3s;
    display: inline-block;
  }

  .btn-primary {
    background: #3b82f6;
    color: white;
  }

  .btn-primary:hover {
    transform: translateY(-3px);
    background: #2563eb;
  }

  .btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #f3f4f6;
  }

  .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .hero-card {
    background: linear-gradient(145deg, #111827, #1f2937);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 28px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.4);
  }

  .profile-image {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    margin: 0 auto 25px auto;
    border: 4px solid rgba(59, 130, 246, 0.5);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.25);
  }

  .profile-role {
    text-align: center;
    color: #9ca3af;
    margin-bottom: 35px !important;
  }

  .hero-card h2 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 30px;
  }

  .hero-stats {
    margin-top: 20px;
  }

  .hero-card::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background: #3b82f6;
    opacity: 0.08;
    border-radius: 50%;
    top: -120px;
    right: -100px;
  }

  .metric {
    margin-bottom: 28px;
  }

  .metric h3 {
    font-size: 40px;
    color: #3b82f6;
    margin-bottom: 5px;
  }

  .metric p {
    margin: 0;
    color: #d1d5db;
    font-size: 15px;
  }

  /* ABOUT */
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .about-card {
    background: #111827;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .about-card h3 {
    margin-bottom: 20px;
    font-size: 28px;
  }

  /* TIMELINE */
  .timeline {
    position: relative;
    max-width: 900px;
    margin: auto;
  }

  .timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(-50%);
  }

  .timeline-item {
    width: 50%;
    padding: 30px;
    position: relative;
  }

  .timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
  }

  .timeline-item:nth-child(even) {
    left: 50%;
  }

  .timeline-content {
    background: #111827;
    padding: 30px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: 0.3s;
  }

  .timeline-content:hover {
    transform: translateY(-6px);
  }

  .timeline-content h3 {
    margin-bottom: 8px;
    font-size: 24px;
  }

  .timeline-content h4 {
    color: #3b82f6;
    margin-bottom: 15px;
    font-weight: 500;
  }

  .experience-section {
    padding-top: 56px;
  }

  .experience-container {
    max-width: 1180px;
  }

  .experience-section .experience-header {
    margin-bottom: 0;
  }

  .experience-section .section-kicker {
    margin-bottom: 0;
  }

  .experience-section .experience-title {
    margin-bottom: 0;
  }

  .experience-section .experience-lead {
    line-height: 1.55;
    margin: 0;
    max-width: 760px;
  }

  .core-skills__header {
    margin-bottom: 0;
  }

  .experience-list {
    display: grid;
    gap: 22px;
  }

  #workflow .section-title {
    margin-bottom: 0;
    text-align: left;
  }

  #workflow .section-lead {
    line-height: 1.55;
    margin: 0;
    max-width: 760px;
    text-align: left;
  }

  .problem-engine {
    background:
      radial-gradient(circle at top right, rgba(31, 77, 90, 0.08), transparent 22rem),
      linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(246, 242, 234, 0.78));
    border: 1px solid var(--border);
    border-radius: 34px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
    padding: clamp(24px, 4vw, 42px);
  }

  .problem-engine__eyebrow {
    color: var(--accent);
    display: inline-flex;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    margin-bottom: 12px;
    text-transform: uppercase;
  }

  .problem-engine__title {
    color: var(--text);
    font-size: clamp(30px, 4vw, 50px);
    letter-spacing: -0.055em;
    line-height: 1.06;
    margin: 0 0 10px;
    max-width: 840px;
  }

  .problem-engine__lede {
    color: var(--muted);
    font-size: 17px;
    line-height: 1.58;
    margin: 0 0 20px;
    max-width: 780px;
  }

  .problem-engine__flow {
    align-items: center;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(31, 77, 90, 0.12);
    border-radius: 999px;
    color: var(--accent);
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 0.08em;
    margin-bottom: 22px;
    padding: 11px 16px;
    text-transform: uppercase;
  }

  .problem-engine__flow span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }

  .problem-engine__grid {
    align-items: stretch;
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr 1.18fr 1fr;
  }

  .problem-engine__zone {
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(31, 41, 51, 0.08);
    border-radius: 28px;
    min-height: 380px;
    padding: 22px;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  }

  .problem-engine__zone:hover,
  .problem-engine__zone:focus-within {
    border-color: rgba(31, 77, 90, 0.18);
    box-shadow: var(--shadow-soft, 0 18px 45px rgba(31, 41, 51, 0.08));
    transform: translateY(-2px);
  }

  .problem-engine__zone-title {
    color: var(--accent);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
    text-transform: uppercase;
  }

  .problem-engine__caption {
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.55;
    margin: 16px 0 0;
  }

  .problem-engine__cloud {
    min-height: 280px;
    position: relative;
  }

  .problem-engine__note {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(31, 41, 51, 0.12);
    border-radius: 16px;
    box-shadow: 0 10px 24px rgba(31, 41, 51, 0.06);
    color: #34444d;
    display: inline-block;
    font-size: 12.5px;
    font-weight: 750;
    left: var(--x);
    max-width: min(62%, 220px);
    padding: 8px 10px;
    position: absolute;
    top: var(--y);
    transform: rotate(var(--r));
    transition: border-color 0.18s ease, transform 0.18s ease;
  }

  .problem-engine__note:nth-child(3n) {
    background: rgba(246, 242, 234, 0.86);
    color: var(--warm, #7c6f57);
  }

  .problem-engine__note:nth-child(4n) {
    border-style: dashed;
  }

  .problem-engine__note:hover,
  .problem-engine__note:focus-visible {
    border-color: rgba(31, 77, 90, 0.28);
    transform: rotate(0deg) translateY(-2px);
    z-index: 2;
  }

  .problem-engine__core {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 300px;
    position: relative;
  }

  .problem-engine__ring {
    border: 1.5px dashed rgba(31, 77, 90, 0.24);
    border-radius: 50%;
    height: 250px;
    position: absolute;
    width: 250px;
  }

  .problem-engine__ring::after {
    border: 1px solid rgba(31, 77, 90, 0.12);
    border-radius: 50%;
    content: "";
    inset: 32px;
    position: absolute;
  }

  .problem-engine__center {
    align-items: center;
    background:
      radial-gradient(circle at top, rgba(255, 255, 255, 0.16), transparent 55%),
      var(--accent);
    border-radius: 50%;
    box-shadow: 0 18px 34px rgba(31, 77, 90, 0.18);
    color: #fff;
    display: flex;
    font-size: 17px;
    font-weight: 900;
    height: 124px;
    justify-content: center;
    letter-spacing: -0.02em;
    line-height: 1.1;
    position: relative;
    text-align: center;
    width: 124px;
    z-index: 2;
  }

  .problem-engine__node {
    align-items: center;
    background: #fff;
    border: 1px solid rgba(31, 77, 90, 0.16);
    border-radius: 999px;
    box-shadow: 0 10px 24px rgba(31, 41, 51, 0.07);
    color: var(--accent);
    display: inline-flex;
    font-size: 12px;
    font-weight: 900;
    justify-content: center;
    line-height: 1;
    padding: 8px 12px;
    position: absolute;
    transform: translate(-50%, -50%);
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
    white-space: nowrap;
    z-index: 3;
  }

  .problem-engine__node:hover,
  .problem-engine__node:focus-visible {
    background: var(--accent);
    color: #fff;
    transform: translate(-50%, -50%) scale(1.04);
  }

  .problem-engine__node--1 { left: 50%; top: 4%; }
  .problem-engine__node--2 { left: 88%; top: 30%; }
  .problem-engine__node--3 { left: 80%; top: 76%; }
  .problem-engine__node--4 { left: 50%; top: 96%; }
  .problem-engine__node--5 { left: 18%; top: 76%; }
  .problem-engine__node--6 { left: 12%; top: 30%; }

  .problem-engine__outputs {
    display: grid;
    gap: 10px;
    margin-top: 4px;
  }

  .problem-engine__chip {
    align-items: center;
    background: rgba(31, 77, 90, 0.08);
    border: 1px solid rgba(31, 77, 90, 0.12);
    border-radius: 999px;
    color: var(--accent);
    display: inline-flex;
    font-size: 13px;
    font-weight: 700;
    justify-content: center;
    line-height: 1.2;
    padding: 9px 12px;
    white-space: nowrap;
  }

  .experience-card {
    align-items: stretch;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 242, 234, 0.82));
    border: 1px solid var(--border);
    border-radius: 26px;
    box-shadow: var(--shadow-card);
    display: grid;
    gap: 0;
    grid-template-columns: 184px minmax(0, 1fr);
    overflow: hidden;
  }

  .experience-logo-panel {
    align-items: center;
    background: rgba(31, 77, 90, 0.05);
    border-right: 1px solid rgba(31, 41, 51, 0.08);
    display: flex;
    justify-content: center;
    min-height: 100%;
    min-height: 160px;
    padding: 26px;
  }

  .experience-logo-panel--stacked {
    flex-direction: column;
    gap: 14px;
  }

  .experience-logo {
    display: block;
    height: auto;
    max-width: 132px;
    object-fit: contain;
    width: 100%;
  }

  .experience-logo--nobi {
    max-width: 136px;
    max-height: 136px;
  }

  .experience-logo--traknus-astra {
    max-width: 156px;
    max-height: 132px;
  }

  .experience-initials-badge {
    align-items: center;
    background: rgba(31, 77, 90, 0.1);
    border: 1px solid rgba(31, 77, 90, 0.16);
    border-radius: 18px;
    color: var(--accent);
    display: inline-flex;
    font-size: 18px;
    font-weight: 900;
    height: 96px;
    justify-content: center;
    letter-spacing: 0.08em;
    width: 96px;
  }

  .experience-content {
    padding: 28px 30px 26px;
  }

  .experience-topline {
    align-items: start;
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-bottom: 14px;
  }

  .experience-topline h3 {
    margin-bottom: 6px;
  }

  .experience-role {
    color: var(--muted);
    font-size: 15px;
    font-weight: 650;
    line-height: 1.45;
    margin: 0;
  }

  .experience-date {
    color: var(--accent);
    flex: 0 0 auto;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.06em;
    line-height: 1.3;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .experience-description {
    color: var(--muted);
    font-size: 15.5px;
    line-height: 1.72;
    margin: 0;
    max-width: 820px;
  }

  .experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
  }

  /* SKILLS */
  .core-skills {
    display: grid;
    gap: 28px;
  }

  .core-skills__header {
    max-width: 880px;
    margin-bottom: 0;
  }

  .core-skills__kicker {
    color: var(--accent);
    display: inline-block;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    margin-bottom: 0;
    text-transform: uppercase;
  }

  .core-skills__title {
    color: var(--text);
    font-size: clamp(34px, 4.2vw, 52px);
    letter-spacing: -0.05em;
    line-height: 1.06;
    margin: 0;
    max-width: 14ch;
  }

  .core-skills__lead {
    color: var(--muted);
    font-size: 18px;
    line-height: 1.65;
    margin: 0;
    max-width: 880px;
  }

  .core-skills__path {
    background:
      linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(246, 242, 234, 0.88));
    border: 1px solid var(--border);
    border-radius: 26px;
    box-shadow: var(--shadow-card);
    padding: 22px 24px 20px;
  }

  .core-skills__path-steps {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .core-skills__path-step {
    align-items: center;
    background: rgba(31, 77, 90, 0.06);
    border: 1px solid rgba(31, 77, 90, 0.1);
    border-radius: 999px;
    color: var(--accent);
    display: inline-flex;
    font-size: 13px;
    font-weight: 850;
    justify-content: center;
    letter-spacing: 0.04em;
    line-height: 1;
    min-height: 44px;
    padding: 10px 14px;
    text-transform: uppercase;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  }

  .core-skills__path-step.is-active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 14px 30px rgba(31, 77, 90, 0.16);
    color: #fff;
    transform: translateY(-1px);
  }

  .core-skills__path-track {
    background: rgba(31, 77, 90, 0.08);
    border-radius: 999px;
    height: 12px;
    margin-top: 14px;
    overflow: hidden;
  }

  .core-skills__path-progress {
    background: linear-gradient(90deg, rgba(31, 77, 90, 0.55), rgba(31, 77, 90, 0.96));
    border-radius: inherit;
    display: block;
    height: 100%;
    transition: width 0.45s ease;
    width: 25%;
  }

  .core-skills__stage-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .core-skills__stage {
    appearance: none;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    color: var(--text);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    padding: 18px 18px 16px;
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  }

  .core-skills__stage:hover,
  .core-skills__stage:focus-visible {
    border-color: rgba(31, 77, 90, 0.24);
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
  }

  .core-skills__stage.is-active {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 240, 233, 0.92));
    border-color: rgba(31, 77, 90, 0.22);
    box-shadow: 0 18px 38px rgba(31, 77, 90, 0.1);
    transform: translateY(-2px);
  }

  .core-skills__stage-kicker {
    color: var(--accent);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .core-skills__stage strong {
    color: var(--text);
    font-size: 20px;
    line-height: 1.15;
    margin: 0;
  }

  .core-skills__stage-copy {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
    margin: 0;
  }

  .core-skills__stage-tags,
  .core-skills__detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .core-skills__stage-tags span,
  .core-skills__detail-tags span {
    align-items: center;
    background: rgba(31, 77, 90, 0.08);
    border: 1px solid rgba(31, 77, 90, 0.12);
    border-radius: 999px;
    color: var(--accent);
    display: inline-flex;
    font-size: 11.5px;
    font-weight: 750;
    justify-content: center;
    line-height: 1;
    padding: 7px 10px;
    white-space: nowrap;
  }

  .core-skills__panels {
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  }

  .core-skills__detail,
  .core-skills__emphasis {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 242, 234, 0.84));
    border: 1px solid var(--border);
    border-radius: 26px;
    box-shadow: var(--shadow-card);
    padding: 26px 28px 24px;
  }

  .core-skills__panel-kicker {
    color: var(--accent);
    display: inline-block;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    margin-bottom: 10px;
    text-transform: uppercase;
  }

  .core-skills__detail-title {
    color: var(--text);
    font-size: clamp(24px, 2.7vw, 36px);
    letter-spacing: -0.04em;
    line-height: 1.12;
    margin: 0 0 12px;
    max-width: 18ch;
  }

  .core-skills__detail-text {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.68;
    margin: 0;
    max-width: 62ch;
  }

  .core-skills__detail-tags {
    margin-top: 18px;
  }

  .core-skills__helper {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
    margin: 0 0 16px;
    max-width: 50ch;
  }

  .core-skills__bars {
    display: grid;
    gap: 14px;
  }

  .core-skills__bar-row {
    display: grid;
    gap: 8px;
  }

  .core-skills__bar-row > span {
    color: var(--text);
    font-size: 13px;
    font-weight: 750;
    letter-spacing: 0.01em;
  }

  .core-skills__bar {
    background: rgba(31, 77, 90, 0.09);
    border: 1px solid rgba(31, 77, 90, 0.12);
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
  }

  .core-skills__bar-fill {
    background: linear-gradient(90deg, rgba(31, 77, 90, 0.48), rgba(31, 77, 90, 0.96));
    border-radius: inherit;
    display: block;
    height: 100%;
    transition: width 0.45s ease;
    width: 0;
  }

  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
  }

  .skill-card {
    background: #111827;
    border-radius: 24px;
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: 0.3s;
  }

  .skill-card:hover {
    transform: translateY(-8px);
  }

  .skill-card h3 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #3b82f6;
  }

  .skill-card ul {
    list-style: none;
  }

  .skill-card li {
    margin-bottom: 12px;
    color: #d1d5db;
  }

  /* PROJECTS */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    align-items: stretch;
  }

  .project-card {
    background: #111827;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .project-card:hover {
    transform: translateY(-10px);
  }

  .project-top {
    height: 180px;
    background: linear-gradient(145deg, #f8fafc, #e5e7eb);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .project-top--placeholder {
    background: linear-gradient(145deg, #0f172a, #111827);
    justify-content: flex-start;
    align-items: flex-end;
  }

  .project-placeholder {
    max-width: 240px;
    text-align: left;
    color: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .project-placeholder-kicker {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #60a5fa;
    font-weight: 600;
  }

  .project-placeholder-title {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
  }

  .project-image {
    max-width: 75%;
    max-height: 110px;
    object-fit: contain;
    transition: 0.4s;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15));
  }

  .project-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .project-content h3 {
    margin-bottom: 15px;
    font-size: 24px;
  }

  .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
  }

  .project-points {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    display: grid;
    gap: 10px;
  }

  .project-points li {
    color: #d1d5db;
    font-size: 15px;
    line-height: 1.55;
  }

  .project-points strong {
    color: #f3f4f6;
  }

  .tag {
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    line-height: 1;
  }

  .project-card-cta {
    display: inline-flex;
    align-self: flex-start;
    margin-top: 18px;
    color: #60a5fa;
    font-weight: 600;
  }

  /* CONTACT */
  .contact {
    text-align: center;
  }

  .contact p {
    max-width: 700px;
    margin: 0 auto 40px auto;
    color: #9ca3af;
  }

  .contact-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  /* FOOTER */
  footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: #6b7280;
  }

  /* RESPONSIVE */
  @media (max-width: 900px) {
    section {
      padding: 86px 0;
    }

    .hero-grid,
    .about-grid {
      grid-template-columns: 1fr;
    }

    .hero h1 {
      font-size: 48px;
    }

    .hero {
      min-height: auto;
      padding-top: 150px;
      padding-bottom: 90px;
    }

    .timeline::before {
      left: 20px;
    }

    .timeline-item {
      width: 100%;
      left: 0 !important;
      padding-left: 60px;
      text-align: left !important;
    }

    .experience-card {
      grid-template-columns: 148px minmax(0, 1fr);
    }

    .experience-logo-panel {
      min-height: 132px;
      padding: 20px;
    }

    .experience-content {
      padding: 22px 22px 20px;
    }

    .project-top {
      height: 160px;
    }
  }

  @media (max-width: 600px) {
    section {
      padding: 72px 0;
    }

    .hero h1 {
      font-size: 38px;
    }

    .section-title {
      font-size: 32px;
      margin-bottom: 36px;
    }

    .nav-container {
      gap: 12px;
      padding: 16px 0;
    }

    .nav-links {
      gap: 10px 14px;
      font-size: 14px;
      justify-content: flex-end;
    }

    .hero {
      padding-top: 138px;
      padding-bottom: 72px;
    }

    .hero-buttons {
      gap: 12px;
    }

    .btn {
      width: 100%;
      text-align: center;
    }

    .project-card,
    .about-card,
    .skill-card,
    .timeline-content {
      border-radius: 20px;
    }

    .project-content,
    .about-card,
    .skill-card,
    .timeline-content {
      padding: 24px;
    }

    .experience-card {
      grid-template-columns: 1fr;
    }

    .experience-section {
      padding-top: 52px;
    }

    .experience-section .experience-header {
      margin-bottom: 0;
    }

    .experience-section .experience-lead {
      line-height: 1.5;
      margin: 0;
    }

    .experience-logo-panel {
      border-bottom: 1px solid rgba(31, 41, 51, 0.08);
      border-right: 0;
      min-height: auto;
      padding: 24px;
    }

    .experience-content {
      padding: 22px 22px 20px;
    }

    .experience-topline {
      align-items: flex-start;
      flex-direction: column;
      gap: 8px;
    }

    .experience-date {
      order: 2;
    }

    .experience-description {
      font-size: 14.5px;
    }

    .project-top {
      height: 150px;
      padding: 24px;
    }

    .project-placeholder-title {
      font-size: 22px;
    }

    .project-top--placeholder {
      align-items: flex-start;
    }
  }

  /* ==========================================================
     PHASE 4 THEME: WARM CONSULTANT ANALYTICS
     Controlled visual override layer. Keeps existing layout
     structure while moving the site away from dark tech styling.
     ========================================================== */

  :root {
    --bg: #fbfaf7;
    --bg-soft: #f6f2ea;
    --surface: #ffffff;
    --surface-2: #f3f0e9;
    --text: #1f2933;
    --muted: #6b7280;
    --accent: #1f4d5a;
    --accent-dark: #173b45;
    --accent-2: #7c6f57;
    --border: rgba(31, 41, 51, 0.12);
    --shadow-soft: 0 18px 45px rgba(31, 41, 51, 0.08);
    --shadow-card: 0 10px 28px rgba(31, 41, 51, 0.07);
  }

  body {
    background:
      radial-gradient(circle at top left, rgba(31, 77, 90, 0.08), transparent 34rem),
      linear-gradient(180deg, var(--bg), #f8f5ee 100%);
    color: var(--text);
  }

  a:focus-visible,
  button:focus-visible {
    outline: 3px solid rgba(31, 77, 90, 0.38);
    outline-offset: 3px;
  }

  .skip-link {
    background: var(--accent);
    color: #fff;
  }

  .muted,
  .hero p,
  .profile-role,
  .contact p {
    color: var(--muted);
  }

  .section-title,
  .hero h1,
  .hero-card h2,
  .project-content h3,
  .about-card h3,
  .timeline-content h3 {
    color: var(--text);
  }

  nav {
    background: rgba(251, 250, 247, 0.88);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 26px rgba(31, 41, 51, 0.06);
  }

  .logo {
    color: var(--accent);
  }

  .nav-links a,
  .dropbtn {
    color: #34444d;
  }

  .nav-links a:hover,
  .dropbtn:hover {
    color: var(--accent);
    background: rgba(31, 77, 90, 0.08);
  }

  .dropdown-content {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
  }

  .dropdown-content a {
    color: var(--muted);
  }

  .dropdown-content a:hover {
    background: var(--surface-2);
    color: var(--accent);
  }

  .hero {
    min-height: 88vh;
  }

  .hero-subtitle,
  .skill-card h3,
  .timeline-content h4,
  .project-placeholder-kicker,
  .project-card-cta {
    color: var(--accent);
  }

  .hero h1 {
    letter-spacing: -0.045em;
    max-width: 780px;
  }

  .hero p {
    line-height: 1.75;
  }

  .hero-buttons {
    gap: 14px;
  }

  .btn {
    border-radius: 999px;
    border: 1px solid transparent;
    box-shadow: none;
  }

  .btn-primary {
    background: var(--accent);
    color: #fff;
  }

  .btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
  }

  .btn-secondary {
    background: rgba(255, 255, 255, 0.62);
    border-color: var(--border);
    color: var(--text);
  }

  .btn-secondary:hover {
    background: var(--surface);
    border-color: rgba(31, 77, 90, 0.28);
    color: var(--accent);
    transform: translateY(-2px);
  }

  .hero-card,
  .about-card,
  .timeline-content,
  .skill-card,
  .project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
  }

  .hero-card {
    background:
      linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(243, 240, 233, 0.9));
  }

  .hero-card::before {
    background: var(--accent);
    opacity: 0.08;
  }

  .profile-image {
    border-color: rgba(31, 77, 90, 0.24);
    box-shadow: 0 14px 34px rgba(31, 77, 90, 0.12);
  }

  .metric h3 {
    color: var(--accent);
  }

  .metric p,
  .skill-card li,
  .project-points li {
    color: #4b5563;
  }

  .project-points strong {
    color: var(--text);
  }

  .about-grid,
  .skills-grid,
  .projects-grid {
    gap: 24px;
  }

  .about-card,
  .skill-card,
  .timeline-content,
  .project-card {
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  }

  .about-card:hover,
  .skill-card:hover,
  .timeline-content:hover,
  .project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(31, 77, 90, 0.22);
    box-shadow: var(--shadow-soft);
  }

  .timeline::before {
    background: rgba(31, 77, 90, 0.18);
  }

  .project-top {
    background: linear-gradient(145deg, var(--surface-2), #fffaf1);
    border-bottom: 1px solid var(--border);
  }

  .project-top--placeholder {
    background:
      linear-gradient(145deg, rgba(31, 77, 90, 0.95), rgba(124, 111, 87, 0.86));
  }

  .project-placeholder {
    color: #fff;
  }

  .project-placeholder-kicker {
    color: #f5ead5;
  }

  .tag {
    background: rgba(31, 77, 90, 0.09);
    color: var(--accent);
    border: 1px solid rgba(31, 77, 90, 0.12);
  }

  .project-card-cta:hover {
    color: var(--accent-dark);
    text-decoration: underline;
  }

  .projects-header {
    margin-bottom: 0;
  }

  .projects-lead {
    margin-bottom: 0;
  }

  footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
  }

  @media (max-width: 1200px) {
    .core-skills__stage-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 900px) {
    #workflow .section-title {
      margin-bottom: 0;
    }

    #workflow .section-lead {
      margin-bottom: 0;
    }

    .problem-engine__grid {
      grid-template-columns: 1fr;
    }

    .problem-engine__zone {
      min-height: auto;
    }

    .problem-engine__cloud {
      min-height: 260px;
    }

    .problem-engine__core {
      min-height: 280px;
    }

    .problem-engine__flow {
      width: 100%;
      justify-content: center;
    }

    .core-skills__panels {
      grid-template-columns: 1fr;
    }

    .core-skills__detail,
    .core-skills__emphasis {
      padding: 22px 22px 20px;
    }

    .hero {
      min-height: auto;
    }

    .hero h1 {
      max-width: 100%;
    }
  }

  @media (max-width: 600px) {
    .section-header {
      gap: 8px;
      margin-bottom: 22px;
    }

    .section-header--editorial .section-title {
      font-size: 32px;
      margin-bottom: 0;
    }

    .section-header--editorial .section-lead {
      font-size: 16px;
      line-height: 1.5;
    }

    .core-skills {
      gap: 22px;
    }

    .core-skills__header {
      max-width: none;
    }

    .core-skills__kicker {
      margin-bottom: 0;
    }

    .core-skills__title {
      font-size: clamp(30px, 9vw, 38px);
      margin-bottom: 0;
      max-width: 100%;
    }

    .core-skills__lead {
      font-size: 16px;
      line-height: 1.58;
      max-width: none;
    }

    .core-skills__path {
      padding: 18px;
    }

    .core-skills__path-steps {
      gap: 8px;
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .core-skills__path-step {
      min-height: 40px;
      font-size: 12px;
      padding: 9px 12px;
    }

    .core-skills__stage-grid {
      grid-template-columns: 1fr;
    }

    .core-skills__stage {
      padding: 17px 17px 15px;
    }

    .core-skills__stage strong {
      font-size: 18px;
    }

    .core-skills__stage-copy {
      font-size: 13.5px;
    }

    .core-skills__detail,
    .core-skills__emphasis {
      padding: 20px 18px 18px;
    }

    .core-skills__detail-title {
      font-size: 28px;
      margin-bottom: 10px;
      max-width: none;
    }

    .core-skills__detail-text {
      font-size: 15px;
      line-height: 1.62;
      max-width: none;
    }

    .core-skills__helper {
      max-width: none;
    }

    .core-skills__stage-tags span,
    .core-skills__detail-tags span {
      font-size: 11px;
      padding: 7px 9px;
    }

    #workflow .section-title {
      margin-bottom: 0;
    }

    #workflow .section-lead {
      line-height: 1.5;
      margin-bottom: 0;
    }

    .hero-buttons {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .btn {
      padding: 14px 22px;
    }

    .about-grid,
    .projects-grid,
    .skills-grid {
      gap: 18px;
    }

    .core-skills__bars {
      gap: 12px;
    }

    .problem-engine {
      border-radius: 26px;
      padding: 22px;
    }

    .problem-engine__eyebrow {
      margin-bottom: 10px;
    }

    .problem-engine__title {
      font-size: 28px;
      margin-bottom: 8px;
    }

    .problem-engine__lede {
      font-size: 15px;
      line-height: 1.48;
      margin-bottom: 18px;
    }

    .problem-engine__flow {
      font-size: 11px;
      gap: 8px 10px;
      padding: 10px 14px;
    }

    .problem-engine__zone {
      border-radius: 22px;
      padding: 18px;
    }

    .problem-engine__zone-title {
      margin-bottom: 12px;
    }

    .problem-engine__cloud {
      min-height: 220px;
    }

    .problem-engine__note {
      font-size: 11.5px;
      max-width: min(72%, 190px);
      padding: 7px 9px;
    }

    .problem-engine__ring {
      height: 220px;
      width: 220px;
    }

    .problem-engine__center {
      height: 108px;
      width: 108px;
      font-size: 16px;
    }

    .problem-engine__node {
      font-size: 11.5px;
      padding: 7px 10px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .core-skills__stage,
    .core-skills__path-step,
    .core-skills__path-progress,
    .core-skills__bar-fill {
      transition: none;
    }
  }