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

    :root {
      --green: #4FC048;
      --green-dark: #3da335;
      --dark-900: #161625;
      --dark-800: #1E1F2D;
      --dark-700: #353535;
      --dark-600: #3F434A;
      --gray-500: #9C9DAF;
      --gray-300: #bbb;
      --light-100: #F4F6F9;
      --light-200: #E6E6E6;
      --white: #fff;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
      color: var(--dark-700);
      background: var(--white);
      overflow-x: hidden;
    }

    /* ============ HEADER ============ */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: var(--dark-800);
      backdrop-filter: blur(12px);
      transition: box-shadow 0.3s;
    }

    .header.scrolled {
      box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    }

    .header-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .logo-img {
      height: 36px;
      width: auto;
    }

    .logo-text {
      font-size: 22px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.5px;
    }

    .logo-text span {
      color: var(--green);
    }

    .logo-sub {
      font-size: 10px;
      color: var(--gray-500);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      font-weight: 400;
      margin-top: -2px;
    }

    nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    nav a {
      text-decoration: none;
      color: var(--gray-300);
      font-size: 14px;
      font-weight: 400;
      transition: color 0.2s;
    }

    nav a:hover {
      color: var(--white);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-radius: 10px;
      font-family: inherit;
      font-size: 14px;
      font-weight: 500;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: all 0.2s;
    }

    .btn-primary {
      background: var(--green);
      color: var(--white);
    }

    .btn-primary:hover {
      background: var(--green-dark);
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(79, 192, 72, 0.3);
    }

    .btn-outline {
      background: transparent;
      color: var(--white);
      border: 1.5px solid rgba(255, 255, 255, 0.25);
    }

    .btn-outline:hover {
      border-color: var(--green);
      color: var(--green);
    }

    .btn-large {
      padding: 14px 36px;
      font-size: 16px;
      border-radius: 14px;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--white);
      margin: 5px 0;
      transition: all 0.3s;
      border-radius: 2px;
    }

    /* ============ HERO ============ */
    .hero {
      background: var(--dark-900);
      padding: 160px 24px 100px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -200px;
      right: -200px;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(79, 192, 72, 0.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero::after {
      content: '';
      position: absolute;
      bottom: -100px;
      left: -100px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(79, 192, 72, 0.05) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .hero-content h1 {
      font-size: 48px;
      font-weight: 700;
      color: var(--white);
      line-height: 1.15;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-content h1 span {
      color: var(--green);
    }

    .hero-content p {
      font-size: 18px;
      color: var(--gray-500);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 520px;
    }

    .hero-badges {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(79, 192, 72, 0.1);
      border: 1px solid rgba(79, 192, 72, 0.2);
      border-radius: 20px;
      font-size: 12px;
      color: var(--green);
      font-weight: 500;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-visual {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-graphic {
      width: 100%;
      max-width: 760px;
      background: var(--dark-800);
      border-radius: 16px;
      border: 1px solid rgba(79, 192, 72, 0.15);
      overflow: hidden;
    }

    .hero-screenshot {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ============ FLOW ============ */
    .flow {
      padding: 80px 24px;
      background: var(--white);
    }

    .flow-inner {
      max-width: 1000px;
      margin: 0 auto;
    }

    .flow-steps {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0;
      flex-wrap: wrap;
    }

    .flow-step {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      flex: 1;
      min-width: 150px;
      padding: 0 8px;
    }

    .flow-step-icon {
      width: 56px;
      height: 56px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
      font-size: 22px;
    }

    .flow-step-icon.blue {
      background: rgba(20, 100, 244, 0.1);
    }

    .flow-step-icon.green {
      background: rgba(79, 192, 72, 0.1);
    }

    .flow-step-icon.teal {
      background: rgba(34, 204, 226, 0.1);
    }

    .flow-step-icon.orange {
      background: rgba(255, 165, 0, 0.1);
    }

    .flow-step-icon.purple {
      background: rgba(106, 90, 205, 0.1);
    }

    .flow-step h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--dark-700);
      margin-bottom: 4px;
    }

    .flow-step p {
      font-size: 12px;
      color: var(--gray-500);
      line-height: 1.4;
    }

    .flow-arrow {
      color: var(--green);
      font-size: 24px;
      margin-top: -30px;
      flex-shrink: 0;
    }

    /* ============ FEATURES ============ */
    .features {
      padding: 100px 24px;
      background: var(--light-100);
    }

    .section-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-header {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--green);
      margin-bottom: 12px;
    }

    .section-header h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--dark-700);
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }

    .section-header p {
      font-size: 16px;
      color: var(--gray-500);
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .features-grid .feature-card:last-child:nth-child(3n+1) {
      grid-column: 2;
    }

    .feature-card {
      background: var(--white);
      border-radius: 14px;
      padding: 32px 28px;
      border: 1px solid var(--light-200);
      transition: all 0.3s;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
      border-color: rgba(79, 192, 72, 0.3);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(79, 192, 72, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 22px;
    }

    .feature-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--dark-700);
      margin-bottom: 10px;
    }

    .feature-card p {
      font-size: 14px;
      color: var(--gray-500);
      line-height: 1.6;
    }

    /* ============ ABOUT ============ */
    .about-highlights {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .about-highlight {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .about-highlight-icon {
      width: 40px;
      height: 40px;
      min-width: 40px;
      border-radius: 10px;
      background: rgba(79, 192, 72, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--green);
    }

    .about-highlight h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--dark-700);
      margin-bottom: 4px;
    }

    .about-highlight p {
      font-size: 13px;
      color: var(--gray-500);
      line-height: 1.5;
    }

    /* ============ CONTACT ============ */
    .contact {
      padding: 100px 24px;
      background: var(--dark-900);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: start;
    }

    .contact .about-content .section-tag {
      color: var(--green);
    }

    .contact .about-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.5px;
      margin-bottom: 20px;
    }

    .contact .about-title span {
      color: var(--green);
    }

    .contact .about-desc {
      font-size: 15px;
      color: var(--gray-500);
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .contact .about-highlight h4 {
      color: var(--white);
    }

    .contact-form-wrapper {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 36px;
    }

    .contact-form-title {
      font-size: 22px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 8px;
    }

    .contact-form-desc {
      font-size: 14px;
      color: var(--gray-500);
      line-height: 1.5;
      margin-bottom: 28px;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 500;
      color: var(--gray-300);
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 12px 16px;
      background: var(--dark-800);
      border: 1.5px solid rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      color: var(--white);
      font-family: inherit;
      font-size: 14px;
      transition: border-color 0.2s;
    }

    .form-group input::placeholder,
    .form-group textarea::placeholder {
      color: var(--gray-500);
    }

    .form-group input:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--green);
    }

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

    .form-group .error-msg {
      font-size: 12px;
      color: #FA6248;
      display: none;
    }

    .form-group.invalid input,
    .form-group.invalid textarea {
      border-color: #FA6248;
    }

    .form-group.invalid .error-msg {
      display: block;
    }

    .contact-form .btn-primary {
      width: 100%;
      padding: 14px;
      font-size: 15px;
      border-radius: 10px;
    }

    .about-cta {
      margin-top: 28px;
    }

    .hp-field {
      position: absolute;
      left: -9999px;
      width: 1px;
      height: 1px;
      overflow: hidden;
      opacity: 0;
      pointer-events: none;
    }

    .form-status {
      min-height: 20px;
      font-size: 13px;
      margin-top: -4px;
      color: var(--gray-300);
    }

    .form-status.success {
      color: var(--green);
    }

    .form-status.error {
      color: #FA6248;
    }

    /* ============ FOOTER ============ */
    .footer {
      background: var(--dark-800);
      padding: 48px 24px 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      font-size: 13px;
      color: var(--gray-500);
      line-height: 1.6;
      margin-top: 12px;
      max-width: 320px;
    }

    .footer-links h4 {
      font-size: 13px;
      font-weight: 600;
      color: var(--white);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }

    .footer-links ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 13px;
      color: var(--gray-500);
      text-decoration: none;
      transition: color 0.2s;
    }

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

    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .footer-bottom p {
      font-size: 12px;
      color: var(--gray-500);
    }

    .footer-somma-logo {
      height: 44px;
      width: auto;
      margin-top: 20px;
      opacity: 0.85;
    }

    .legal-page {
      min-height: 100vh;
      background: var(--light-100);
      padding: 80px 24px;
    }

    .legal-content {
      max-width: 760px;
      margin: 0 auto;
      background: var(--white);
      border: 1px solid var(--light-200);
      border-radius: 14px;
      padding: 32px;
    }

    .legal-content h1 {
      font-size: 30px;
      margin-bottom: 16px;
      color: var(--dark-700);
    }

    .legal-content p {
      margin-bottom: 14px;
      line-height: 1.6;
      color: var(--dark-600);
    }

    .legal-content a {
      color: var(--green-dark);
      text-decoration: none;
    }

    .legal-content a:hover {
      text-decoration: underline;
    }

    .oracle-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--gray-500);
      margin-top: 16px;
      padding: 6px 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 6px;
    }

    .oracle-badge strong {
      color: var(--gray-300);
      font-weight: 600;
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1024px) {
      .hero-content h1 {
        font-size: 40px;
      }

      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .about-grid {
        gap: 48px;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }

      nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--dark-800);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        transform: translateY(-120%);
        transition: transform 0.3s;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      }

      nav.open {
        transform: translateY(0);
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
      }

      .hero-content h1 {
        font-size: 34px;
      }

      .hero-content p {
        margin-left: auto;
        margin-right: auto;
      }

      .hero-badges {
        justify-content: center;
      }

      .hero-buttons {
        justify-content: center;
      }

      .hero-visual {
        display: none;
      }

      .flow-steps {
        flex-direction: column;
        gap: 8px;
      }

      .flow-arrow {
        transform: rotate(90deg);
        margin-top: 0;
      }

      .features-grid {
        grid-template-columns: 1fr;
      }

      .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .hero {
        padding: 130px 20px 70px;
      }

      .hero-content h1 {
        font-size: 28px;
      }

      .hero-content p {
        font-size: 16px;
      }

      .section-header h2,
      .about-content h2 {
        font-size: 28px;
      }

      .features,
      .about,
      .contact {
        padding: 70px 20px;
      }
    }