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

    :root {
      --bg-dark: #030712;
      --bg-mid: #0a101e;
      --bg-card: rgba(12, 20, 39, 0.7);
      --blue: #0ea5e9;
      --blue-dark: #0284c7;
      --blue-glow: rgba(14, 165, 233, 0.15);
      --green: #22c55e;
      --green-glow: rgba(34, 197, 94, 0.12);
      --amber: #f59e0b;
      --text-white: #f1f5f9;
      --text-gray: #cbd5e1;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border: rgba(14, 165, 233, 0.1);
      --border-hover: rgba(14, 165, 233, 0.35);
      --radius: 20px;
      --page-max: 1280px;
      --page-padding: clamp(16px, 3.2vw, 42px);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg-dark);
      color: var(--text-gray);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    h1, h2, h3, h4 {
      font-family: 'Space Grotesk', sans-serif;
      letter-spacing: -0.02em;
    }

    /* ========== NAV ========== */
    .nav {
      position: fixed; top: 0; width: 100%; z-index: 100;
      backdrop-filter: blur(24px) saturate(180%);
      -webkit-backdrop-filter: blur(24px) saturate(180%);
      background: rgba(3, 7, 18, 0.75);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      width: min(var(--page-max), calc(100% - (var(--page-padding) + var(--page-padding))));
      margin: 0 auto;
      display: flex; justify-content: space-between; align-items: center; height: 72px;
    }
    .nav-brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
    .nav-brand img { height: 40px; width: auto; filter: drop-shadow(0 0 16px rgba(14,165,233,0.25)); }
    .nav-brand span { color: var(--text-white); font-size: 1rem; font-weight: 600; letter-spacing: 0.02em; }
    .nav-links { display: flex; align-items: center; gap: 28px; }
    .nav-links a {
      color: var(--text-muted); text-decoration: none; font-weight: 500; font-size: 0.9rem;
      transition: color 0.3s; position: relative;
    }
    .nav-links a:not(.nav-cta):hover { color: var(--text-white); }
    .nav-links a:not(.nav-cta)::after {
      content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
      background: var(--blue); transition: width 0.3s;
    }
    .nav-login {
      border: 1px solid var(--border-hover);
      padding: 8px 18px;
      border-radius: 12px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--blue) !important;
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    
    .nav-login:hover {
      background: rgba(14,165,233,0.08);
      border-color: var(--blue);
      box-shadow: 0 0 18px rgba(14,165,233,0.25);
    }

.nav-login-mobile {
  padding: 12px 0;
  font-weight: 600;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 8px;
}
    .nav-links a:not(.nav-cta):hover::after { width: 100%; }
    .nav-cta {
      background: linear-gradient(135deg, var(--blue), var(--blue-dark));
      color: white !important; padding: 10px 22px; border-radius: 12px; font-size: 0.875rem;
      font-weight: 600; box-shadow: 0 4px 20px rgba(14,165,233,0.25); transition: all 0.3s;
    }
    .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(14,165,233,0.4); }
    .mobile-toggle { display: none; background: none; border: none; color: var(--text-gray); font-size: 1.2rem; cursor: pointer; }
    .mobile-menu { display: none; flex-direction: column; gap: 4px; padding: 12px 24px 20px; background: rgba(3,7,18,0.95); border-top: 1px solid var(--border); }
    .mobile-menu a { color: var(--text-gray); text-decoration: none; font-weight: 500; padding: 10px 0; font-size: 0.95rem; }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .mobile-toggle { display: block; }
      .mobile-menu.open { display: flex; }
    }

    /* ========== HERO ========== */
    .hero {
      min-height: 100svh; display: flex; align-items: center; padding-top: 72px;
      position: relative; overflow: hidden;
      background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(14,165,233,0.08), transparent),
                  radial-gradient(ellipse 60% 50% at 80% 60%, rgba(34,197,94,0.05), transparent),
                  var(--bg-dark);
    }
    .hero::after {
      content: ''; position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
      -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
    }
    .hero-inner {
      width: min(1040px, calc(100% - (var(--page-padding) + var(--page-padding))));
      margin: 0 auto;
      position: relative; z-index: 2; text-align: center;
    }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(14,165,233,0.08); border: 1px solid rgba(14,165,233,0.15);
      border-radius: 100px; padding: 6px 16px; margin-bottom: 32px;
      font-size: 0.8rem; font-weight: 500; color: var(--blue);
    }
    .hero-badge .dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
    .hero h1 {
      font-size: clamp(2.4rem, 5.8vw, 4.8rem); font-weight: 700;
      color: var(--text-white); margin-bottom: 24px; line-height: 1.1;
    }
    .hero p { max-width: 780px; margin: 0 auto 12px; font-size: 1.12rem; }
    .hero .sub { color: var(--text-muted); margin-bottom: 40px; font-size: 1rem; }
    .text-gradient {
      background: linear-gradient(135deg, var(--blue), var(--green));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .text-gradient-warm {
      background: linear-gradient(135deg, var(--green), var(--blue), var(--amber));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-checks {
      display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px;
      margin-bottom: 40px; font-size: 0.9rem;
    }
    .hero-checks span { display: flex; align-items: center; gap: 8px; color: var(--text-gray); }
    .hero-checks i { color: var(--green); font-size: 0.75rem; }
    .hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

    /* ========== BUTTONS ========== */
    .btn-primary {
      background: linear-gradient(135deg, var(--blue), var(--blue-dark));
      color: white; padding: 14px 28px; border-radius: 14px; font-weight: 600;
      text-decoration: none; border: none; font-size: 0.95rem; cursor: pointer;
      box-shadow: 0 8px 30px rgba(14,165,233,0.25);
      transition: all 0.3s; display: inline-flex; align-items: center; gap: 10px;
      position: relative; overflow: hidden;
    }
    .btn-primary::before {
      content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
      transition: left 0.5s;
    }
    .btn-primary:hover::before { left: 100%; }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(14,165,233,0.4); }
    .btn-secondary {
      background: transparent; color: var(--blue); padding: 14px 28px; border-radius: 14px;
      font-weight: 600; text-decoration: none; border: 1px solid rgba(14,165,233,0.3);
      display: inline-flex; align-items: center; gap: 10px; font-size: 0.95rem;
      cursor: pointer; transition: all 0.3s;
    }
    .btn-secondary:hover {
      background: rgba(14,165,233,0.08); border-color: var(--blue);
      transform: translateY(-2px);
    }
    .btn-sm {
      padding: 10px 20px; font-size: 0.85rem; border-radius: 10px;
      margin-top: 20px;
    }

    /* ========== SECTIONS ========== */
    section[id] { scroll-margin-top: 72px; }
    .section { padding: clamp(80px, 9vw, 112px) 0; }
    .section-inner {
      width: min(var(--page-max), calc(100% - (var(--page-padding) + var(--page-padding))));
      margin: 0 auto;
    }
    .section-dark { background: var(--bg-dark); }
    .section-alt {
      background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(14,165,233,0.04), transparent),
                  var(--bg-mid);
    }
    .section-title { text-align: center; margin-bottom: 64px; }
    .section-title h2 {
      font-size: clamp(2rem, 4vw, 3rem); font-weight: 700;
      color: var(--text-white); margin-bottom: 16px;
    }
    .section-title p { font-size: 1.05rem; color: var(--text-muted); max-width: 760px; margin: 0 auto; }

    /* ========== CARDS ========== */
    .card {
      background: var(--bg-card);
      border-radius: var(--radius); padding: 32px;
      border: 1px solid var(--border);
      backdrop-filter: blur(16px);
      transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    }
    .card-click { cursor: pointer; }
    .card-click:hover {
      border-color: var(--border-hover);
      transform: translateY(-6px);
      box-shadow: 0 20px 50px -15px rgba(14,165,233,0.15);
    }
    .card-icon {
      width: 52px; height: 52px; border-radius: 14px;
      display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
    }
    .card-icon i { color: white; font-size: 1.2rem; }
    .icon-blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }
    .icon-green { background: linear-gradient(135deg, var(--green), #16a34a); }
    .icon-mixed { background: linear-gradient(135deg, var(--blue), var(--green)); }
    .card h3 { color: var(--text-white); font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; }
    .card p { color: var(--text-muted); line-height: 1.65; font-size: 0.95rem; }

    /* Expandable */
    .expand-toggle {
      color: var(--blue); font-weight: 600; font-size: 0.85rem;
      display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
      cursor: pointer; background: none; border: none; padding: 0; transition: gap 0.3s;
    }
    .expand-toggle:hover { gap: 10px; }
    .expand-toggle i { transition: transform 0.3s; font-size: 0.7rem; }
    .expand-toggle.open i { transform: rotate(180deg); }
    .expand-body { max-height: 0; overflow: hidden; transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1), opacity 0.3s; opacity: 0; }
    .expand-body.open { max-height: 2000px; opacity: 1; }
    .expand-inner { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }

    .check-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .check-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--text-gray); font-size: 0.93rem; }
    .check-list li i { color: var(--green); margin-top: 4px; flex-shrink: 0; font-size: 0.8rem; }
    .arrow-list li i { color: var(--blue); }
    .label-sm { font-size: 0.75rem; font-weight: 600; color: var(--blue); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
    .muted-note {
      color: var(--text-muted);
      margin-top: 16px;
      font-style: italic;
      font-size: 0.9rem;
    }
    .mt-20 { margin-top: 20px; }

    /* ========== GRIDS ========== */
    .grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
    .grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    @media (max-width: 1160px) {
      .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 960px) {
      .grid-3, .grid-2 { grid-template-columns: 1fr; }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
    }

    /* ========== QUICK BENEFITS (after services) ========== */
    .quick-benefits {
      display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
      margin-top: 48px;
    }
    .quick-benefit {
      display: flex; align-items: center; gap: 8px;
      background: rgba(14,165,233,0.06); border: 1px solid var(--border);
      border-radius: 100px; padding: 8px 18px; font-size: 0.85rem; color: var(--text-gray);
    }
    .quick-benefit i { color: var(--green); font-size: 0.7rem; }

    /* ========== AUDIENCE + FORMATS (stacked) ========== */
    .stacked-section { display: flex; flex-direction: column; gap: 64px; }
    .audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    @media (max-width: 768px) { .audience-grid { grid-template-columns: 1fr; } }

    .audience-item {
      display: flex; align-items: center; gap: 16px; padding: 20px;
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 16px; transition: all 0.3s;
    }
    .audience-item:hover { border-color: var(--border-hover); transform: translateX(4px); }
    .audience-item .aud-icon {
      width: 44px; height: 44px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
      background: var(--blue-glow);
    }
    .audience-item .aud-icon i { color: var(--blue); font-size: 0.95rem; }
    .audience-item p { color: var(--text-white); font-weight: 500; font-size: 0.95rem; }

    .format-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    @media (max-width: 768px) { .format-grid { grid-template-columns: 1fr; } }

    .format-card {
      display: flex; align-items: flex-start; gap: 16px; padding: 24px;
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 16px; transition: all 0.3s;
    }
    .format-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
    .format-card .fmt-icon {
      width: 44px; height: 44px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
      background: var(--green-glow);
    }
    .format-card .fmt-icon i { color: var(--green); font-size: 0.95rem; }
    .format-card h4 { color: var(--text-white); font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
    .format-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.5; }

    /* ========== TIMELINE ========== */
    .timeline { max-width: 720px; margin: 0 auto; position: relative; }
    .timeline::before {
      content: ''; position: absolute; left: 24px; top: 0; bottom: 0; width: 2px;
      background: linear-gradient(to bottom, var(--blue), var(--green), var(--blue)); opacity: 0.3;
    }
    .timeline-step { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 40px; position: relative; }
    .timeline-step:last-child { margin-bottom: 0; }
    .step-num {
      width: 50px; height: 50px; border-radius: 14px;
      background: linear-gradient(135deg, var(--blue), var(--green));
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
      font-weight: 700; color: white; font-size: 0.95rem; position: relative; z-index: 2;
    }
    .step-content h3 { color: var(--text-white); font-size: 1.15rem; margin-bottom: 4px; }
    .step-content p { color: var(--text-muted); font-size: 0.95rem; }

    /* ========== PORTFOLIO ========== */
    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin: 0 0 48px;
    }
    .portfolio-card h3 {
      margin-bottom: 10px;
      font-size: 1.1rem;
    }
    .portfolio-card .check-list {
      margin-top: 16px;
    }
    .portfolio-tag {
      display: inline-flex;
      margin-bottom: 14px;
      font-size: 0.75rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-weight: 700;
      color: var(--blue);
      background: rgba(14,165,233,0.08);
      border: 1px solid rgba(14,165,233,0.25);
      border-radius: 999px;
      padding: 5px 10px;
    }
    .section-note {
      text-align: center;
      color: var(--text-dim);
      font-size: 0.85rem;
      font-style: italic;
    }

    /* ========== BENEFITS ========== */
    .benefits-grid { max-width: 900px; margin: 0 auto; }
    .benefit-card { text-align: center; padding: 28px 16px; }
    .benefit-icon {
      width: 52px; height: 52px; border-radius: 14px;
      background: linear-gradient(135deg, var(--blue), var(--green));
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 14px;
    }
    .benefit-icon i { color: white; font-size: 1.1rem; }
    .benefit-card p { color: var(--text-white); font-weight: 500; font-size: 0.9rem; }
    .closing-text {
      text-align: center; font-size: clamp(1.3rem, 2.5vw, 1.7rem); font-weight: 700;
      color: var(--text-white); max-width: 640px; margin: 48px auto 0;
    }

    /* ========== CONTACT ========== */
    .contact-card { text-align: center; }
    .contact-section { position: relative; overflow: hidden; }
    .contact-inner { max-width: 860px; position: relative; z-index: 1; }
    .contact-card-main { margin-bottom: 48px; }
    .btn-contact { font-size: 1.05rem; }
    .contact-card a.btn-primary { font-size: 1.05rem; }
    .contact-channels { display: flex; justify-content: center; gap: 48px; margin-top: 48px; flex-wrap: wrap; }
    .contact-channel { display: flex; flex-direction: column; align-items: center; gap: 10px; }
    .contact-channel .icon-wrap {
      width: 52px; height: 52px; border-radius: 14px;
      display: flex; align-items: center; justify-content: center;
    }
    .contact-channel .icon-wrap i { color: white; font-size: 1.1rem; }
    .contact-channel p { color: var(--text-white); font-weight: 600; font-size: 0.95rem; }
    .contact-channel a { color: var(--text-muted); text-decoration: none; transition: color 0.3s; font-size: 0.9rem; }
    .contact-channel a:hover { color: var(--text-white); }

    /* ========== FOOTER ========== */
    .footer {
      padding: 64px 24px 40px; background: var(--bg-dark);
      border-top: 1px solid var(--border);
    }
    .footer-inner {
      width: min(var(--page-max), calc(100% - (var(--page-padding) + var(--page-padding))));
      margin: 0 auto;
      display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
    }
    .footer-col h4 {
      color: var(--text-white); font-family: 'Space Grotesk', sans-serif;
      font-size: 0.95rem; font-weight: 700; margin-bottom: 16px;
      letter-spacing: 0.03em;
    }
    .footer-col p, .footer-col li, .footer-col a {
      color: var(--text-dim); font-size: 0.85rem; line-height: 1.7;
    }
    .footer-col a { text-decoration: none; transition: color 0.3s; }
    .footer-col a:hover { color: var(--text-white); }
    .footer-col ul { list-style: none; padding: 0; margin: 0; }
    .footer-col ul li { margin-bottom: 6px; }
    .footer-brand img {
      height: 40px; margin-bottom: 14px;
      filter: drop-shadow(0 0 16px rgba(14,165,233,0.25));
    }
    .footer-brand p.desc {
      color: var(--text-dim); font-size: 0.85rem; line-height: 1.7; margin-bottom: 20px;
    }
    .footer-social { display: flex; gap: 10px; }
    .footer-social a {
      width: 38px; height: 38px; background: rgba(14,165,233,0.06);
      border: 1px solid var(--border); border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      color: var(--text-muted); text-decoration: none; transition: all 0.3s;
      font-size: 0.95rem;
    }
    .footer-social a:hover {
      background: rgba(14,165,233,0.12); color: var(--text-white);
      border-color: var(--border-hover);
    }
    .footer-bottom {
      width: min(var(--page-max), calc(100% - (var(--page-padding) + var(--page-padding))));
      margin: 40px auto 0;
      border-top: 1px solid rgba(14,165,233,0.06);
      padding-top: 24px;
      display: flex; justify-content: space-between; align-items: center;
      flex-wrap: wrap; gap: 12px;
    }
    .footer-bottom p { color: var(--text-dim); font-size: 0.8rem; margin: 0; }
    .footer-bottom-links { display: flex; gap: 20px; }
    .footer-bottom-links a {
      color: var(--text-dim); font-size: 0.8rem; text-decoration: none; transition: color 0.3s;
    }
    .footer-bottom-links a:hover { color: var(--text-white); }
    @media (max-width: 768px) {
      .footer-inner { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

    /* ========== PARTICLES ========== */
    .particles { position: absolute; width: 100%; height: 100%; overflow: hidden; pointer-events: none; z-index: 1; }
    .particle {
      position: absolute; background: var(--blue); border-radius: 50%;
      animation: particleFloat 18s infinite linear; opacity: 0.35;
    }
    .particle:nth-child(2n) { background: var(--green); animation-duration: 24s; }
    .particle:nth-child(3n) { background: var(--amber); animation-duration: 30s; }
    .p1 { left: 8%; width: 3px; height: 3px; animation-delay: 0s; }
    .p2 { left: 22%; width: 5px; height: 5px; animation-delay: 3s; }
    .p3 { left: 38%; width: 3px; height: 3px; animation-delay: 6s; }
    .p4 { left: 52%; width: 4px; height: 4px; animation-delay: 9s; }
    .p5 { left: 68%; width: 3px; height: 3px; animation-delay: 12s; }
    .p6 { left: 82%; width: 5px; height: 5px; animation-delay: 15s; }
    .p7 { left: 93%; width: 3px; height: 3px; animation-delay: 18s; }
    @keyframes particleFloat {
      0% { transform: translateY(100vh); opacity: 0; }
      10% { opacity: 0.35; }
      90% { opacity: 0.35; }
      100% { transform: translateY(-100px); opacity: 0; }
    }

    /* ========== GLOW ORB ========== */
    .glow-orb {
      position: absolute; border-radius: 50%; filter: blur(120px);
      pointer-events: none; z-index: 0;
    }
    .orb-blue {
      width: 400px;
      height: 400px;
      background: rgba(14,165,233,0.06);
      top: -100px;
      right: -100px;
    }
    .orb-green {
      width: 300px;
      height: 300px;
      background: rgba(34,197,94,0.04);
      bottom: -80px;
      left: -80px;
    }

    @media (max-width: 1024px) {
      .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 768px) {
      .section { padding: 72px 0; }
      .card { padding: 24px; }
      .btn-primary, .btn-secondary { padding: 12px 22px; font-size: 0.9rem; }
      .timeline::before { left: 20px; }
      .step-num { width: 42px; height: 42px; font-size: 0.85rem; }
      .portfolio-grid { grid-template-columns: 1fr; }
      .hero p { font-size: 1rem; }
    }