:root {
      --bg: #070A10;
      --panel: rgba(255, 255, 255, .06);
      --panel2: rgba(255, 255, 255, .09);
      --stroke: rgba(255, 255, 255, .10);
      --text: rgba(255, 255, 255, .88);
      --muted: rgba(255, 255, 255, .62);
      --accent: #4F8CFF;
      --accent2: #38E8FF;
      --shadow: 0 24px 80px rgba(0, 0, 0, .55);
      --radius: 18px;
    }

    body {
      background:
        radial-gradient(1200px 800px at 20% 10%, rgba(79, 140, 255, .18), transparent 55%),
        radial-gradient(900px 700px at 80% 20%, rgba(56, 232, 255, .12), transparent 55%),
        var(--bg);
      color: var(--text);
    }

    .header.dark-background {
      background: rgba(0, 0, 0, .35);
      backdrop-filter: blur(14px);
    }

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

    .hero-content h1 {
      font-size: clamp(34px, 4.4vw, 56px);
      line-height: 1.05;
      margin-bottom: 14px;
      background: linear-gradient(90deg, #fff, rgba(255, 255, 255, .70));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-description {
      font-size: 16px;
      color: var(--muted);
      line-height: 1.75;
      max-width: 52ch;
    }

    .hero-kicker {
      color: var(--muted);
      margin: 8px 0 12px;
      font-weight: 600;
      letter-spacing: .3px;
    }

    .badge-soft {
      display: inline-block;
      padding: 7px 10px;
      margin-right: 8px;
      margin-bottom: 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--stroke);
      color: rgba(255, 255, 255, .82);
      font-weight: 600;
      font-size: 12px;
    }

    .btn-primary,
    .btn-secondary {
      border-radius: 999px;
      padding: 12px 18px;
      font-weight: 600;
      letter-spacing: .2px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-primary {
      background: linear-gradient(90deg, var(--accent), var(--accent2));
      border: 0;
      box-shadow: 0 14px 40px rgba(79, 140, 255, .20);
      color: #071018;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 60px rgba(79, 140, 255, .26);
      color: #071018;
    }

    .btn-secondary {
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--stroke);
      color: var(--text);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(255, 255, 255, .09);
      color: var(--text);
    }

    .section-title p {
      color: var(--muted);
    }

    .resume .education-card,
    .services .service-item,
    .portfolio-card,
    .form-wrapper,
    .info-item {
      background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, .04));
      border: 1px solid var(--stroke);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding:20px;
    }

    /* ======= Portfolio / Swiper ======= */
    .portfolio-card {
      overflow: hidden;
      transform: translateZ(0);
      transition: transform .2s ease, border-color .2s ease;
    }

    .portfolio-card:hover {
      transform: translateY(-6px);
      border-color: rgba(79, 140, 255, .28);
    }

    .portfolio-meta {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .portfolio-category {
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(79, 140, 255, .12);
      border: 1px solid rgba(79, 140, 255, .22);
      color: rgba(255, 255, 255, .86);
      font-weight: 600;
      font-size: 12px;
    }

    .portfolio-year {
      color: var(--muted);
      font-weight: 600;
      font-size: 12px;
    }

    .slide-media {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }

    .slide-media img,
    .slide-media video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .project-swiper,
    .project-swiper .swiper-wrapper,
    .project-swiper .swiper-slide {
      height: 100%;
    }

    .slide-overlay {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(600px 260px at 50% 80%, rgba(79, 140, 255, .20), transparent 65%),
        rgba(0, 0, 0, .45);
      opacity: 0;
      transition: opacity .25s ease;
      z-index: 8;
      pointer-events: none;
    }

    .slide-media:hover .slide-overlay {
      opacity: 1;
    }

    .slide-actions {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      display: flex;
      gap: 12px;
      pointer-events: auto;
    }

    .action-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      transition: transform .18s ease;
      border: 1px solid rgba(255, 255, 255, .18);
      background: rgba(10, 14, 24, .72);
      backdrop-filter: blur(10px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
    }

    .action-btn i {
      font-size: 20px;
      color: #fff;
    }

    .action-btn:hover {
      transform: translateY(-2px);
    }

    .project-swiper .swiper-button-prev,
    .project-swiper .swiper-button-next {
      z-index: 10;
      color: #fff;
      text-shadow: 0 2px 8px rgba(0, 0, 0, .35);
    }

    .project-swiper .swiper-pagination {
      z-index: 9;
    }

    .project-swiper .swiper-pagination-bullet {
      background: rgba(255, 255, 255, .9);
      opacity: .7;
    }

    .project-swiper .swiper-pagination-bullet-active {
      opacity: 1;
    }

    /* Contact */
    .contact-details .detail-item {
      background: rgba(255, 255, 255, .04);
      border: 1px solid var(--stroke);
      border-radius: 14px;
      padding: 12px 14px;
      margin-bottom: 12px;
      display: flex;
      gap: 12px;
      align-items: center;
    }

    .submit-btn {
      border-radius: 999px;
      background: linear-gradient(90deg, var(--accent), var(--accent2));
      border: 0;
      color: #071018;
      font-weight: 700;
      padding: 12px 18px;
      transition: transform .18s ease, box-shadow .18s ease;
    }

    .submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 40px rgba(79, 140, 255, .18);
    }

    @media (max-width: 991px) {
      .header.dark-background {
        background: rgba(0, 0, 0, .65);
      }
    }