:root {
     --bg: #0b0f1a;
     --bg-card: rgba(255, 255, 255, 0.02);
     --text: #e6eefc;
     --text-muted: rgba(230, 238, 252, 0.65);
     --secondary: #f97316;
     --border: rgba(255, 255, 255, 0.06);
     --success: #2ecc71;
     --danger: #ff5c5c;
     --glass: rgba(255, 255, 255, 0.03);
     --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
     --font-mono: "Space Mono", monospace;
 }

 body.dev-theme {
     background: var(--bg);
     color: var(--text);
     font-family: var(--font-sans);
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
     padding-top: 100px;
 }



 .section-padding {
     padding: 56px 0;
 }

 .sec-header {
     margin-bottom: 28px;
 }

 .grid-3 {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
     gap: 22px;
 }

 .flex-between {
     display: flex;
     align-items: center;
     justify-content: space-between;
 }

 .dev-card {
     background: var(--bg-card);
     border: 1px solid var(--border);
     padding: 22px;
     border-radius: 10px;
     transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
     text-align: center;
     display: flex;
     flex-direction: column;
     align-items: center;
     gap: 15px;
 }

 .dev-card:hover {
     transform: translateY(-8px);
     box-shadow: 0 14px 35px rgba(0, 0, 0, 0.36);
     border-color: rgba(10, 132, 255, 0.35);
 }

 .tech-card-icon {
     font-size: 1.6rem;
     display: block;
     margin-bottom: 10px;
 }

 .tech-card-icon.primary {
     color: var(--primary);
 }

 .tech-card-icon.secondary {
     color: var(--secondary);
 }

 .tech-card-icon.blue {
     color: #61dbfb;
 }

 .muted {
     color: var(--text-muted);
 }

 .link-arrow {
     display: inline-block;
     color: var(--text);
     text-decoration: none;
     font-weight: 600;
     position: relative;
     transition: color .25s ease;
 }

 .link-arrow:after {
     content: "";
     position: absolute;
     left: 0;
     bottom: -4px;
     height: 2px;
     width: 0%;
     background: var(--primary);
     transition: width .28s ease;
 }

 .link-arrow:hover {
     color: var(--primary);
 }

 .link-arrow:hover:after {
     width: 100%;
 }

 .contact-box {
     background: var(--bg-card);
     border: 1px solid var(--border);
     padding: 22px;
     border-radius: 10px;
     text-align: center;
     transition: transform .28s ease, box-shadow .28s ease;
 }

 .contact-box:hover {
     transform: translateY(-6px);
     box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
     border-color: rgba(10, 132, 255, 0.25);
 }

 .contact-icon {
     font-size: 1.8rem;
     margin-bottom: 12px;
     display: inline-block;
     width: 56px;
     height: 36px;
     border-radius: 50%;
     background: var(--glass);
     align-items: center;
     justify-content: center;
     display: flex;
 }

 .contact-icon.green {
     color: #25D366;
 }

 .contact-icon.orange {
     color: #FF9F1C;
 }

 .contact-btn {
     display: inline-block;
     margin-top: 12px;
     padding: 8px 14px;
     border-radius: 8px;
     border: 1px solid var(--border);
     color: var(--text);
     text-decoration: none;
     font-weight: 600;
 }

 .contact-btn:hover {
     background: rgba(10, 132, 255, 0.06);
     border-color: rgba(10, 132, 255, 0.28);
 }

 .form-container {
     max-width: 880px;
     margin: 0 auto;
 }

 .form-row {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 16px;
     margin-bottom: 16px;
 }

 .input-group {
     margin-bottom: 14px;
     position: relative;
 }

 .input-group label.small {
     font-size: 0.78rem;
     display: block;
     margin-bottom: 8px;
     color: var(--text-muted);
     letter-spacing: 0.5px;
     font-family: var(--font-mono);
 }

 .form-control {
     width: 100%;
     padding: 12px 14px;
     border-radius: 8px;
     border: 1px solid var(--border);
     background: transparent;
     color: var(--text);
     outline: none;
     transition: border-color .18s ease, box-shadow .18s ease, transform .12s ease;
     font-size: 0.95rem;
 }

 .form-control::placeholder {
     color: rgba(230, 238, 252, 0.35);
 }

 .form-control[type="select"],
 select.form-control {
     appearance: none;
     -webkit-appearance: none;
     -moz-appearance: none;
     background-color: var(--bg);
 }

 .full-btn {
     width: 100%;
 }

 .form-control.invalid {
     border-color: var(--danger);
     box-shadow: 0 6px 18px rgba(255, 92, 92, 0.08);
 }

 .form-control.valid {
     border-color: var(--success);
     box-shadow: 0 6px 18px rgba(46, 204, 113, 0.06);
 }

 small.error {
     display: block;
     color: var(--danger);
     font-size: 0.8rem;
     margin-top: 6px;
     min-height: 18px;
     opacity: 1;
 }

 .form-success {
     background: linear-gradient(90deg, rgba(10, 132, 255, 0.12), rgba(46, 204, 113, 0.06));
     border: 1px solid rgba(46, 204, 113, 0.14);
     color: var(--text);
     padding: 12px 16px;
     border-radius: 10px;
     margin-bottom: 16px;
     display: none;
 }

 .map-box {
     border-radius: 10px;
     overflow: hidden;
     border: 1px solid var(--border);
     box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
 }

 .map-box iframe {
     display: block;
     width: 100%;
     height: 360px;
     border: 0;
 }

 .footer-note {
     margin-top: 18px;
     color: var(--text-muted);
 }

 @media (max-width:900px) {
     .form-row {
         grid-template-columns: 1fr;
     }

     .grid-3 {
         grid-template-columns: 1fr;
     }

     .sec-header h2 {
         font-size: 1.6rem;
     }
 }