:root {
      --body-bg: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
      --bg: #050816;
      --bg-alt: #070b1f;
      --surface: #0b1024;
      --accent: #3b82f6;
      --accent-soft: rgba(59, 130, 246, 0.1);
      --accent-strong: #2563eb;
      --text: #f9fafb;
      --muted: #9ca3af;
      --border-subtle: rgba(148, 163, 184, 0.25);
      --radius-lg: 1.25rem;
      --radius-xl: 1.75rem;
      --shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.7);
      --max-width: 1120px;
      --transition-fast: 180ms ease-out;
    }

    /* LIGHT THEME */
    :root[data-theme="light"] {
      --body-bg: radial-gradient(circle at top, #e5e7eb 0, #f9fafb 55%, #ffffff 100%);
      --bg: #f9fafb;
      --bg-alt: #e5e7eb;
      --surface: #ffffff;
      --accent: #2563eb;
      --accent-soft: rgba(37, 99, 235, 0.06);
      --accent-strong: #1d4ed8;
      --text: #020617;
      --muted: #4b5563;
      --border-subtle: rgba(148, 163, 184, 0.5);
    }

    * {
      box-sizing: border-box;
    }

    html, body {
      margin: 0;
      padding: 0;
      font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--body-bg);
      color: var(--text);
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
    }

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

    img {
      max-width: 100%;
      display: block;
    }

    .page {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 40;
      backdrop-filter: blur(16px);
      background: linear-gradient(
        to bottom,
        rgba(15, 23, 42, 0.9),
        rgba(15, 23, 42, 0.75),
        transparent
      );
      border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    }
    :root[data-theme="light"] header {
      background: linear-gradient(
        to bottom,
        rgba(248, 250, 252, 0.95),
        rgba(248, 250, 252, 0.85),
        transparent
      );
      border-bottom-color: rgba(148, 163, 184, 0.35);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1rem 0.25rem;
      gap: 1rem;
    }

    .nav-left {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .logo-mark {
      width: 40px;
      height: 40px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, #93c5fd 0, #1d4ed8 38%, #020617 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 12px 30px rgba(37, 99, 235, 0.7);
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #f9fafb;
    }

    .logo-text {
      display: flex;
      flex-direction: column;
      gap: 0.1rem;
    }

    .logo-title {
      font-weight: 600;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      font-size: 0.85rem;
    }

    .logo-sub {
      font-size: 0.75rem;
      color: var(--muted);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      font-size: 0.9rem;
    }

    .nav-links a {
      position: relative;
      color: var(--muted);
      padding-bottom: 0.1rem;
      transition: color var(--transition-fast);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -0.2rem;
      width: 0;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(to right, #3b82f6, #22c55e);
      transition: width 200ms ease-out;
    }

    .nav-links a:hover {
      color: var(--text);
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.55rem 1.1rem;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 0.85rem;
      font-weight: 500;
      cursor: pointer;
      background: transparent;
      color: var(--text);
      transition: background var(--transition-fast), border-color var(--transition-fast),
        transform var(--transition-fast), box-shadow var(--transition-fast),
        color var(--transition-fast);
    }

    .button-outline {
      border-color: rgba(148, 163, 184, 0.4);
      background: rgba(15, 23, 42, 0.8);
    }

    :root[data-theme="light"] .button-outline {
      background: rgba(248, 250, 252, 0.9);
      border-color: rgba(148, 163, 184, 0.7);
    }

    .button-outline:hover {
      border-color: rgba(148, 163, 184, 0.9);
      background: rgba(15, 23, 42, 1);
      transform: translateY(-1px);
    }

    :root[data-theme="light"] .button-outline:hover {
      background: #e5e7eb;
    }

    .button-primary {
      background: radial-gradient(circle at 0 0, #22c55e, #2563eb);
      box-shadow: 0 18px 45px rgba(34, 197, 94, 0.65);
      color: #f9fafb;
    }

    .button-primary:hover {
      transform: translateY(-1px) scale(1.01);
      box-shadow: 0 22px 60px rgba(34, 197, 94, 0.8);
    }

    .button span.icon {
      font-size: 1.1rem;
      margin-left: 0.1rem;
    }

    .nav-toggle {
      display: none;
      background: rgba(15, 23, 42, 0.9);
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.4);
      padding: 0.35rem 0.75rem;
      cursor: pointer;
      font-size: 0.9rem;
    }

    :root[data-theme="light"] .nav-toggle {
      background: rgba(248, 250, 252, 0.95);
    }

    .nav-toggle-line {
      width: 16px;
      height: 1.8px;
      border-radius: 999px;
      background: var(--text);
      position: relative;
    }

    .nav-toggle-line::before,
    .nav-toggle-line::after {
      content: "";
      position: absolute;
      left: 0;
      width: 16px;
      height: 1.8px;
      border-radius: 999px;
      background: var(--text);
      transform-origin: center;
      transition: transform 160ms ease, top 160ms ease, opacity 160ms ease;
    }

    .nav-toggle-line::before {
      top: -4px;
    }

    .nav-toggle-line::after {
      top: 4px;
    }

    .nav-toggle.active .nav-toggle-line {
      background: transparent;
    }

    .nav-toggle.active .nav-toggle-line::before {
      top: 0;
      transform: rotate(40deg);
    }

    .nav-toggle.active .nav-toggle-line::after {
      top: 0;
      transform: rotate(-40deg);
    }

    .nav-menu-mobile {
      display: none;
      flex-direction: column;
      gap: 0.5rem;
      padding: 0.75rem 0;
    }

    .nav-menu-mobile a {
      padding: 0.4rem 0;
      font-size: 0.95rem;
      color: var(--muted);
    }

    .nav-menu-mobile a:hover {
      color: var(--text);
    }

    .theme-toggle {
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.6);
      background: rgba(15, 23, 42, 0.9);
      color: var(--text);
      padding: 0.35rem 0.55rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 0.9rem;
    }

    :root[data-theme="light"] .theme-toggle {
      background: rgba(248, 250, 252, 0.95);
    }

    main {
      flex: 1;
    }

    section {
      padding: 4.5rem 0;
    }

    /* HERO */
    .hero {
      padding-top: 4.5rem;
      padding-bottom: 4.5rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
      gap: 3rem;
      align-items: center;
    }

    .hero-copy-eyebrow {
      font-size: 0.85rem;
      letter-spacing: 0.21em;
      text-transform: uppercase;
      color: var(--muted);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1.25rem;
    }

    .pill {
      padding: 0.2rem 0.6rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.35);
      background: linear-gradient(
        to right,
        rgba(34, 197, 94, 0.16),
        rgba(37, 99, 235, 0.03)
      );
      font-size: 0.75rem;
      color: #bbf7d0;
    }

    .hero-title {
      font-size: clamp(2.5rem, 3.4vw, 3.25rem);
      line-height: 1.1;
      letter-spacing: -0.04em;
      margin: 0 0 1.3rem;
    }

    .hero-title span.gradient {
      background: linear-gradient(to right, #4ade80, #22c55e, #60a5fa);
      -webkit-background-clip: text;
      color: transparent;
    }
    .hero-subtitle {
      max-width: 34rem;
      font-size: 0.98rem;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 1.9rem;
    }

    .hero-meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      align-items: center;
      margin-bottom: 2rem;
    }

    .hero-metric {
      display: flex;
      flex-direction: column;
      gap: 0.1rem;
    }

    .hero-metric-label {
      font-size: 0.75rem;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.12em;
    }

    .hero-metric-value {
      font-size: 0.95rem;
      font-weight: 500;
    }

    .hero-cta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.85rem;
    }

    .hero-note {
      font-size: 0.82rem;
      color: var(--muted);
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, #bbf7d0, #22c55e);
      box-shadow: 0 0 16px rgba(34, 197, 94, 0.9);
    }

    .hero-visual {
      position: relative;
    }

    .hero-card {
      border-radius: var(--radius-xl);
      padding: 1.2rem 1.4rem;
      background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.12), transparent 45%),
        radial-gradient(circle at 100% 100%, rgba(74, 222, 128, 0.16), transparent 45%),
        rgba(15, 23, 42, 0.95);
      border: 1px solid rgba(148, 163, 184, 0.45);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(18px);
    }

    :root[data-theme="light"] .hero-card {
      background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.12), transparent 45%),
        radial-gradient(circle at 100% 100%, rgba(74, 222, 128, 0.16), transparent 45%),
        rgba(248, 250, 252, 0.98);
      border-color: rgba(148, 163, 184, 0.6);
    }

    .hero-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1rem;
    }

    .hero-card-title {
      font-size: 0.9rem;
      font-weight: 500;
    }

    .hero-card-sub {
      font-size: 0.78rem;
      color: var(--muted);
    }

    .hero-card-tag {
      padding: 0.25rem 0.65rem;
      font-size: 0.75rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.5);
      background: rgba(15, 23, 42, 0.9);
      color: #bbf7d0;
    }

    :root[data-theme="light"] .hero-card-tag {
      background: rgba(248, 250, 252, 0.98);
      color: #16a34a;
    }

    .hero-card-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0.75rem;
    }

    .metric-card {
      border-radius: 1rem;
      border: 1px solid rgba(148, 163, 184, 0.35);
      padding: 0.75rem 0.8rem;
      background: radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.14), transparent 60%),
        rgba(15, 23, 42, 0.9);
    }

    :root[data-theme="light"] .metric-card {
      background: radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.08), transparent 60%),
        #ffffff;
      border-color: rgba(148, 163, 184, 0.6);
    }

    .metric-label {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--muted);
      margin-bottom: 0.15rem;
    }

    .metric-value {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 0.1rem;
    }

    .metric-caption {
      font-size: 0.75rem;
      color: var(--muted);
    }

    .hero-badge-floating {
      position: absolute;
      bottom: -1.2rem;
      right: -0.1rem;
      transform: translateY(0);
      animation: float 6s ease-in-out infinite;
      padding: 0.65rem 0.85rem;
      border-radius: 1rem;
      background: rgba(15, 23, 42, 0.98);
      border: 1px solid rgba(148, 163, 184, 0.5);
      font-size: 0.78rem;
      display: flex;
      flex-direction: column;
      gap: 0.18rem;
      max-width: 230px;
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
    }

    :root[data-theme="light"] .hero-badge-floating {
      background: rgba(248, 250, 252, 0.98);
      border-color: rgba(148, 163, 184, 0.6);
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.15);
    }

    .hero-badge-label {
      text-transform: uppercase;
      letter-spacing: 0.16em;
      font-size: 0.68rem;
      color: var(--muted);
    }

    .hero-badge-main {
      font-size: 0.86rem;
    }

    .hero-badge-main span {
      color: #bbf7d0;
    }

    :root[data-theme="light"] .hero-badge-main span {
      color: #16a34a;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-6px); }
    }

    .section-label {
      font-size: 0.78rem;
      letter-spacing: 0.21em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 0.9rem;
    }

    .section-title-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 1.25rem;
      align-items: flex-end;
      margin-bottom: 2rem;
    }

    .section-title {
      font-size: 1.55rem;
      letter-spacing: -0.03em;
      margin: 0;
    }

    .section-subtitle {
      max-width: 26rem;
      font-size: 0.92rem;
      color: var(--muted);
      line-height: 1.6;
    }
    /* SERVICES SECTION */
    #services {
      border-top: 1px solid rgba(148, 163, 184, 0.2);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1.5rem;
    }

    .service-card {
      border-radius: var(--radius-lg);
      padding: 1.25rem 1.2rem;
      background: radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.14), transparent 55%),
        rgba(15, 23, 42, 0.93);
      border: 1px solid rgba(148, 163, 184, 0.4);
      position: relative;
      overflow: hidden;
      transition: transform var(--transition-fast), box-shadow var(--transition-fast),
        border-color var(--transition-fast), background 220ms ease-out;
      cursor: default;
    }

    :root[data-theme="light"] .service-card {
      background: radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.1), transparent 55%),
        #ffffff;
      border-color: rgba(148, 163, 184, 0.6);
    }

    .service-card::before {
      content: "";
      position: absolute;
      inset: -1px;
      background: radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.35), transparent 60%);
      opacity: 0;
      transition: opacity 220ms ease-out;
      pointer-events: none;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 55px rgba(15, 23, 42, 0.9);
      border-color: rgba(74, 222, 128, 0.9);
    }

    :root[data-theme="light"] .service-card:hover {
      box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-icon {
      width: 30px;
      height: 30px;
      border-radius: 0.9rem;
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid rgba(148, 163, 184, 0.6);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      margin-bottom: 0.9rem;
    }

    :root[data-theme="light"] .service-icon {
      background: rgba(248, 250, 252, 0.98);
    }

    .service-title {
      font-size: 1rem;
      font-weight: 500;
      margin-bottom: 0.4rem;
    }

    .service-text {
      font-size: 0.88rem;
      color: var(--muted);
      margin-bottom: 0.85rem;
      line-height: 1.6;
    }

    .service-meta {
      font-size: 0.78rem;
      color: #bbf7d0;
    }

    :root[data-theme="light"] .service-meta {
      color: #16a34a;
    }

    /* ABOUT SECTION */
    #about {
      border-top: 1px solid rgba(148, 163, 184, 0.2);
    }

    .about-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
      gap: 2.5rem;
      align-items: center;
    }

    .about-text p {
      font-size: 0.94rem;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 1rem;
    }

    .about-list {
      list-style: none;
      padding: 0;
      margin: 1rem 0 0;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0.75rem 1rem;
    }

    .about-list li {
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .about-list-dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: #4ade80;
      box-shadow: 0 0 10px rgba(74, 222, 128, 0.85);
    }

    .about-card {
      border-radius: var(--radius-lg);
      padding: 1rem;
      background: radial-gradient(circle at 100% 0, rgba(56, 189, 248, 0.16), transparent 55%),
        rgba(15, 23, 42, 0.94);
      border: 1px solid rgba(148, 163, 184, 0.4);
    }

    :root[data-theme="light"] .about-card {
      background: radial-gradient(circle at 100% 0, rgba(56, 189, 248, 0.14), transparent 55%),
        #ffffff;
      border-color: rgba(148, 163, 184, 0.6);
    }

    .about-metrics {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
      margin-top: 0.5rem;
    }

    .about-metric-label {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--muted);
      margin-bottom: 0.1rem;
    }

    .about-metric-value {
      font-size: 1.15rem;
      font-weight: 600;
      margin-bottom: 0.15rem;
    }

    .about-metric-caption {
      font-size: 0.8rem;
      color: var(--muted);
    }

    /* CASE STUDIES SECTION */
    #case-studies {
      border-top: 1px solid rgba(148, 163, 184, 0.2);
    }

    .case-card {
      border-radius: var(--radius-lg);
      padding: 1.2rem 1.1rem;
      border: 1px solid rgba(148, 163, 184, 0.38);
      background: radial-gradient(circle at 0 100%, rgba(34, 197, 94, 0.12), transparent 55%),
        rgba(15, 23, 42, 0.96);
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
      gap: 1.8rem;
    }

    :root[data-theme="light"] .case-card {
      background: radial-gradient(circle at 0 100%, rgba(34, 197, 94, 0.12), transparent 55%),
        #ffffff;
      border-color: rgba(148, 163, 184, 0.6);
    }

    .case-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.25rem 0.65rem;
      border-radius: 999px;
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid rgba(148, 163, 184, 0.6);
      font-size: 0.75rem;
      color: #bbf7d0;
      margin-bottom: 0.8rem;
    }

    :root[data-theme="light"] .case-pill {
      background: rgba(248, 250, 252, 0.98);
      color: #16a34a;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 500;
      margin-bottom: 0.55rem;
    }

    .case-text {
      font-size: 0.88rem;
      color: var(--muted);
      margin-bottom: 0.9rem;
      line-height: 1.6;
    }

    .case-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      font-size: 0.77rem;
    }

    .case-tag {
      padding: 0.18rem 0.55rem;
      border-radius: 999px;
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid rgba(148, 163, 184, 0.6);
      color: #bfdbfe;
    }

    :root[data-theme="light"] .case-tag {
      background: rgba(248, 250, 252, 0.98);
      color: #1d4ed8;
    }
    .case-metrics {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: 0.9rem;
      font-size: 0.86rem;
    }

    .case-metrics-label {
      font-size: 0.74rem;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--muted);
    }

    .case-metrics-value {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 0.1rem;
    }

    /* CONTACT SECTION */
    #contact {
      border-top: 1px solid rgba(148, 163, 184, 0.2);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
      gap: 2rem;
      align-items: flex-start;
    }

    .contact-blurb {
      font-size: 0.94rem;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 1.25rem;
    }

    .contact-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0.9rem;
    }

    .contact-card {
      border-radius: 1rem;
      border: 1px solid rgba(148, 163, 184, 0.42);
      padding: 0.9rem 0.9rem;
      background: rgba(15, 23, 42, 0.94);
      font-size: 0.86rem;
    }

    :root[data-theme="light"] .contact-card {
      background: #ffffff;
      border-color: rgba(148, 163, 184, 0.6);
    }

    .contact-label {
      font-size: 0.74rem;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: var(--muted);
      margin-bottom: 0.25rem;
    }

    .contact-value {
      font-size: 0.9rem;
    }

    form {
      border-radius: var(--radius-lg);
      padding: 1.2rem 1.1rem;
      background: radial-gradient(circle at 100% 0, rgba(56, 189, 248, 0.18), transparent 55%),
        rgba(15, 23, 42, 0.96);
      border: 1px solid rgba(148, 163, 184, 0.6);
      box-shadow: 0 14px 40px rgba(15, 23, 42, 0.85);
    }

    :root[data-theme="light"] form {
      background: radial-gradient(circle at 100% 0, rgba(56, 189, 248, 0.18), transparent 55%),
        #ffffff;
      box-shadow: 0 12px 35px rgba(15, 23, 42, 0.16);
    }

    .form-row {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0.8rem;
    }

    .field {
      margin-bottom: 0.8rem;
    }

    .field label {
      display: block;
      font-size: 0.78rem;
      margin-bottom: 0.25rem;
      color: var(--muted);
    }

    .field input,
    .field textarea {
      width: 100%;
      padding: 0.6rem 0.7rem;
      border-radius: 0.7rem;
      border: 1px solid rgba(148, 163, 184, 0.6);
      background: rgba(15, 23, 42, 0.95);
      color: var(--text);
      font-size: 0.9rem;
      outline: none;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
        background 140ms ease-out;
    }

    :root[data-theme="light"] .field input,
    :root[data-theme="light"] .field textarea {
      background: #ffffff;
    }

    .field input:focus,
    .field textarea:focus {
      border-color: #4ade80;
      box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.7);
      background: rgba(15, 23, 42, 1);
    }

    :root[data-theme="light"] .field input:focus,
    :root[data-theme="light"] .field textarea:focus {
      background: #f9fafb;
    }

    .field textarea {
      resize: vertical;
      min-height: 120px;
    }

    .form-footnote {
      margin-top: 0.5rem;
      font-size: 0.75rem;
      color: var(--muted);
    }

    /* FOOTER */
    footer {
      border-top: 1px solid rgba(148, 163, 184, 0.18);
      padding: 1.6rem 0 2rem;
      font-size: 0.8rem;
      color: var(--muted);
    }

    :root[data-theme="light"] footer {
      border-top-color: rgba(148, 163, 184, 0.35);
    }

    .footer-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.8rem;
      align-items: center;
    }

    .footer-links {
      display: flex;
      gap: 1.25rem;
    }

    .footer-links a {
      color: var(--muted);
    }

    .footer-links a:hover {
      color: var(--text);
    }

    /* RESPONSIVE BREAKPOINTS */
    @media (max-width: 960px) {
      .hero-grid,
      .about-grid,
      .case-card,
      .contact-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .hero-card {
        max-width: 420px;
        margin: 0 auto;
      }
    }

    @media (max-width: 768px) {
      .nav-links,
      .nav-cta {
        display: none;
      }

      .nav-toggle {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
      }

      .nav-menu-mobile {
        display: flex;
      }

      .hero {
        padding-top: 3.5rem;
      }

      section {
        padding: 3.5rem 0;
      }

      .services-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .about-list {
        grid-template-columns: minmax(0, 1fr);
      }

      .contact-cards {
        grid-template-columns: minmax(0, 1fr);
      }

      .form-row {
        grid-template-columns: minmax(0, 1fr);
      }
    }