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

        :root {
            --navy:   #1e3a8a;
            --blue:   #1d4ed8;
            --accent: #3b82f6;
            --light:  #60a5fa;
            --bg:     #f0f4ff;
            --dark:   #1e293b;
            --muted:  #64748b;
            --border: #e2e8f0;
            --card-shadow:       0 4px 24px rgba(30,58,138,0.09);
            --card-shadow-hover: 0 12px 40px rgba(30,58,138,0.18);
            --gradient: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 55%, #3b82f6 100%);
        }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            overflow-x: hidden;
            background: #fff;
        }

        /* ── HEADER ── */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            background: rgba(15, 30, 80, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.9rem 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 11px;
        }

        .logo-wordmark {
            display: flex;
            flex-direction: column;
        }

        .logo-name {
            color: white;
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1;
        }

        .logo-pvt {
            color: rgba(255,255,255,0.5);
            font-size: 0.62rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-top: 2px;
        }

        .nav-links {
            display: flex;
            gap: 1.75rem;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            color: rgba(255,255,255,0.78);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.93rem;
            transition: color 0.2s;
        }

        .nav-links a:hover { color: #fff; }

        .nav-cta {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.5rem 1.25rem;
            border-radius: 8px;
            font-weight: 600 !important;
            transition: background 0.2s, transform 0.2s !important;
        }

        .nav-cta:hover {
            background: #2563eb !important;
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: 0.3s;
        }

        /* ── HERO ── */
        .hero {
            background: var(--gradient);
            color: #fff;
            padding: 155px 2rem 110px;
            position: relative;
            overflow: hidden;
            min-height: 92vh;
            display: flex;
            align-items: center;
        }

        .hero-blob {
            position: absolute;
            border-radius: 50%;
            background: white;
            opacity: 0.06;
        }

        .hero-blob-1 { width: 650px; height: 650px; top: -220px; right: -160px; }
        .hero-blob-2 { width: 420px; height: 420px; bottom: -160px; left: -110px; }
        .hero-blob-3 { width: 180px; height: 180px; top: 38%; right: 28%; opacity: 0.04; }

        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: rgba(255,255,255,0.14);
            border: 1px solid rgba(255,255,255,0.22);
            color: rgba(255,255,255,0.92);
            padding: 0.38rem 1rem;
            border-radius: 50px;
            font-size: 0.83rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-size: 3.1rem;
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 1.4rem;
            letter-spacing: -0.8px;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--light);
        }

        .hero p {
            font-size: 1.1rem;
            opacity: 0.88;
            line-height: 1.75;
            margin-bottom: 2.4rem;
            max-width: 500px;
        }

        .hero-btns {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-white {
            display: inline-block;
            background: #fff;
            color: var(--navy);
            padding: 0.85rem 2rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.97rem;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 18px rgba(0,0,0,0.15);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.22);
        }

        .btn-ghost {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.97rem;
            border: 2px solid rgba(255,255,255,0.42);
            transition: border-color 0.2s, background 0.2s;
        }

        .btn-ghost:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.1);
        }

        /* Integration diagram */
        .hero-diagram {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .diagram {
            position: relative;
            width: 460px;
            height: 470px;
        }

        /* SVG connector lines */
        .diagram-lines {
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            z-index: 0;
            overflow: visible;
        }

        .d-center {
            position: absolute;
            top: 235px; left: 230px;
            transform: translate(-50%, -50%);
            width: 100px; height: 100px;
            background: #fff;
            border-radius: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 32px rgba(0,0,0,0.22);
            z-index: 2;
            gap: 4px;
        }

        .d-center-icon { font-size: 2rem; }

        .d-center-label {
            font-size: 0.65rem;
            font-weight: 800;
            color: var(--navy);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .d-node {
            position: absolute;
            width: 84px; height: 84px;
            background: #fff;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 24px rgba(0,0,0,0.18);
            padding: 10px 8px 8px;
            gap: 5px;
            z-index: 1;
        }

        .d-node img {
            max-width: 54px;
            max-height: 42px;
            object-fit: contain;
        }

        .d-node span {
            font-size: 0.56rem;
            font-weight: 700;
            color: var(--navy);
            text-align: center;
            line-height: 1.2;
            white-space: nowrap;
        }

        /* Hexagon positions — center (230,235), radius 160px, 60° steps from top */
        .d-node-top          { top:  75px; left: 230px; transform: translate(-50%,-50%); animation: floatNode 3.2s ease-in-out infinite 0s; }
        .d-node-top-right    { top: 155px; left: 369px; transform: translate(-50%,-50%); animation: floatNode 3.2s ease-in-out infinite 0.53s; }
        .d-node-bottom-right { top: 315px; left: 369px; transform: translate(-50%,-50%); animation: floatNode 3.2s ease-in-out infinite 1.07s; }
        .d-node-bottom       { top: 395px; left: 230px; transform: translate(-50%,-50%); animation: floatNode 3.2s ease-in-out infinite 1.6s; }
        .d-node-bottom-left  { top: 315px; left:  91px; transform: translate(-50%,-50%); animation: floatNode 3.2s ease-in-out infinite 2.13s; }
        .d-node-top-left     { top: 155px; left:  91px; transform: translate(-50%,-50%); animation: floatNode 3.2s ease-in-out infinite 2.67s; }

        @keyframes floatNode {
            0%,100% { transform: translate(-50%,-50%) translateY(0); }
            50%      { transform: translate(-50%,-50%) translateY(-8px); }
        }

        /* ── STATS BAR ── */
        .stats-bar {
            background: #fff;
            box-shadow: 0 4px 24px rgba(30,58,138,0.07);
        }

        .stats-inner {
            max-width: 960px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            padding: 2.5rem 2rem;
        }

        .stat-item {
            text-align: center;
            padding: 0.5rem 1rem;
            border-right: 1px solid var(--border);
        }

        .stat-item:last-child { border-right: none; }

        .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--navy);
            line-height: 1;
            margin-bottom: 0.35rem;
        }

        .stat-lbl {
            color: var(--muted);
            font-size: 0.88rem;
            font-weight: 500;
        }

        /* ── SECTION BASE ── */
        section { padding: 90px 2rem; }

        .sec-tag {
            display: inline-block;
            background: #dbeafe;
            color: var(--blue);
            font-size: 0.77rem;
            font-weight: 700;
            letter-spacing: 1.6px;
            text-transform: uppercase;
            padding: 0.32rem 0.9rem;
            border-radius: 50px;
            margin-bottom: 0.9rem;
        }

        .sec-title {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            margin-bottom: 0.85rem;
        }

        .sec-sub {
            color: var(--muted);
            font-size: 1rem;
            max-width: 540px;
            margin: 0 auto 3.5rem;
        }

        .sec-header { text-align: center; }

        /* ── TECHNOLOGIES ── */
        .technologies { background: var(--bg); }

        .tech-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
            gap: 1.5rem;
        }

        .tech-card {
            background: #fff;
            padding: 2rem;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            border: 1px solid #e8eeff;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .tech-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-shadow-hover);
        }

        .tech-logo-wrap {
            height: 78px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.4rem;
        }

        .tech-logo {
            max-height: 68px;
            max-width: 155px;
            object-fit: contain;
        }

        .tech-card h3 {
            color: var(--navy);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
        }

        .tech-card p {
            color: var(--muted);
            font-size: 0.93rem;
            line-height: 1.65;
        }

        /* ── SERVICES ── */
        .services { background: #fff; }

        .services-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .svc-card {
            padding: 2rem;
            border-radius: 16px;
            border: 1px solid #e8eeff;
            background: var(--bg);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
        }

        .svc-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 4px; height: 100%;
            background: var(--gradient);
        }

        .svc-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            background: #fff;
        }

        .svc-icon {
            width: 50px; height: 50px;
            background: #dbeafe;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.45rem;
            margin-bottom: 1.2rem;
        }

        .svc-card h3 {
            color: var(--navy);
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 0.65rem;
        }

        .svc-card p {
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        /* ── PROCESS ── */
        .process { background: var(--bg); }

        .process-steps {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 29px;
            left: calc(12.5% + 22px);
            right: calc(12.5% + 22px);
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--light));
        }

        .p-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .p-num {
            width: 58px; height: 58px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 1.2rem;
            box-shadow: 0 4px 18px rgba(30,58,138,0.28);
        }

        .p-step h3 {
            color: var(--navy);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.45rem;
        }

        .p-step p {
            color: var(--muted);
            font-size: 0.87rem;
            line-height: 1.55;
        }

        /* ── PROJECTS ── */
        .projects {
            background: #fff;
            padding-left: 0;
            padding-right: 0;
        }

        .projects .sec-header {
            padding: 0 2rem;
        }

        .projects-carousel-wrap {
            position: relative;
            width: 100%;
        }

        .projects-grid {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            overflow-x: auto;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            padding: 0.5rem 4rem 1.5rem;
            scrollbar-width: none;
        }

        .projects-grid::-webkit-scrollbar { display: none; }

        .carousel-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: #1e3a8a;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 42px;
            height: 42px;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 2;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
            transition: background 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .carousel-btn:hover { background: #1d4ed8; transform: translateY(-50%) scale(1.1); }
        .carousel-btn:active { transform: translateY(-50%) scale(0.93); }
        .carousel-btn--prev { left: 0.75rem; }
        .carousel-btn--next { right: 0.75rem; }

        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 0 0.25rem;
        }

        .carousel-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #cbd5e1;
            border: none;
            cursor: pointer;
            padding: 0;
            transition: background 0.3s, transform 0.3s;
        }

        .carousel-dot.active {
            background: #1e3a8a;
            transform: scale(1.35);
        }

        .proj-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid #e8eeff;
            transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                        opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                        box-shadow 0.3s;
            flex: 0 0 360px;
            scroll-snap-align: start;
            will-change: transform, opacity;
        }

        .proj-card:hover {
            box-shadow: var(--card-shadow-hover);
        }

        .proj-card--highlight {
            border-color: #bfdbfe;
        }

        .proj-card--highlight .proj-head {
            background: linear-gradient(180deg, #1e3a8a 0%, #2563eb 100%);
        }

        .proj-head-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.45rem;
        }

        .proj-head-top .proj-cat {
            margin-bottom: 0;
        }

        .proj-built-badge {
            background: rgba(255,255,255,0.2);
            border: 1px solid rgba(255,255,255,0.35);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            padding: 0.22rem 0.65rem;
            border-radius: 50px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .proj-highlight {
            font-size: 0.88rem !important;
            color: var(--blue) !important;
            background: #eff6ff;
            border-left: 3px solid var(--accent);
            padding: 0.65rem 0.9rem !important;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.2rem !important;
            line-height: 1.55 !important;
        }

        .proj-head {
            background: var(--gradient);
            color: #fff;
            padding: 1.6rem 2rem;
        }

        .proj-cat {
            font-size: 0.76rem;
            font-weight: 600;
            letter-spacing: 1.3px;
            text-transform: uppercase;
            opacity: 0.7;
            margin-bottom: 0.45rem;
        }

        .proj-head h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }

        .proj-body {
            padding: 1.6rem 2rem;
        }

        .proj-body p {
            color: var(--muted);
            font-size: 0.93rem;
            line-height: 1.65;
            margin-bottom: 1.2rem;
        }

        .proj-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.45rem;
        }

        .tag {
            background: #dbeafe;
            color: var(--blue);
            padding: 0.28rem 0.75rem;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ── ABOUT ── */
        .about { background: var(--bg); }

        .about-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            align-items: center;
        }

        .about-text .sec-tag { display: inline-block; }

        .about-text h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            margin-bottom: 1.1rem;
            margin-top: 0.5rem;
        }

        .about-text p {
            color: var(--muted);
            font-size: 0.98rem;
            line-height: 1.75;
            margin-bottom: 0.9rem;
        }

        .value-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            margin-top: 1.4rem;
        }

        .v-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 0.94rem;
            color: var(--dark);
            font-weight: 500;
        }

        .v-check {
            width: 21px; height: 21px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.68rem;
            flex-shrink: 0;
        }

        .about-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
        }

        .a-stat {
            background: var(--gradient);
            padding: 1.75rem 1.5rem;
            border-radius: 16px;
            color: #fff;
            text-align: center;
        }

        .a-stat .num {
            font-size: 2.1rem;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 0.35rem;
        }

        .a-stat .lbl {
            font-size: 0.87rem;
            opacity: 0.8;
        }

        /* ── CONTACT ── */
        .contact { background: #fff; }

        .contact-wrap {
            max-width: 1100px;
            margin: 0 auto;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 2.5rem;
        }

        .c-info {
            background: var(--gradient);
            padding: 2.75rem;
            border-radius: 20px;
            color: #fff;
        }

        .c-info h3 {
            font-size: 1.55rem;
            font-weight: 800;
            margin-bottom: 0.6rem;
        }

        .c-info > p {
            opacity: 0.78;
            font-size: 0.92rem;
            margin-bottom: 2.4rem;
        }

        .c-item {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            margin-bottom: 1.6rem;
        }

        .c-icon {
            width: 40px; height: 40px;
            background: rgba(255,255,255,0.14);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .c-item strong {
            display: block;
            font-size: 0.78rem;
            opacity: 0.65;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 0.15rem;
        }

        .c-item span { font-size: 0.92rem; }

        .c-form {
            background: #fff;
            padding: 2.75rem;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            border: 1px solid #e8eeff;
        }

        .c-form h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 0.4rem;
        }

        .c-form > p {
            color: var(--muted);
            font-size: 0.88rem;
            margin-bottom: 1.8rem;
        }

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

        .fg { margin-bottom: 1.15rem; }

        .fg label {
            display: block;
            margin-bottom: 0.38rem;
            color: var(--dark);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .fg input,
        .fg textarea,
        .fg select {
            width: 100%;
            padding: 0.72rem 0.95rem;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.93rem;
            color: var(--dark);
            background: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .fg input:focus,
        .fg textarea:focus,
        .fg select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
        }

        .fg textarea {
            resize: vertical;
            min-height: 105px;
        }

        .submit-btn {
            width: 100%;
            background: var(--gradient);
            color: #fff;
            padding: 0.95rem 2rem;
            border: none;
            border-radius: 10px;
            font-size: 0.97rem;
            font-weight: 700;
            cursor: pointer;
            transition: opacity 0.2s, transform 0.2s;
            letter-spacing: 0.2px;
        }

        .submit-btn:hover {
            opacity: 0.91;
            transform: translateY(-1px);
        }

        /* ── FOOTER ── */
        footer { background: #0f172a; }

        .footer-top {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3.5rem 2rem 2rem;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
        }

        .f-brand .logo-name {
            display: block;
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .f-brand p {
            color: rgba(255,255,255,0.52);
            font-size: 0.88rem;
            line-height: 1.65;
            max-width: 290px;
        }

        .f-col h4 {
            color: #fff;
            font-size: 0.92rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }

        .f-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }

        .f-col a {
            color: rgba(255,255,255,0.52);
            text-decoration: none;
            font-size: 0.88rem;
            transition: color 0.2s;
        }

        .f-col a:hover { color: #fff; }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 1.5rem 2rem;
            text-align: center;
            font-size: 0.83rem;
            color: rgba(255,255,255,0.4);
        }

        .footer-bottom a {
            color: var(--accent);
            text-decoration: none;
        }

        /* ── SCROLL ANIMATION ── */
        .fade-up {
            opacity: 0;
            transform: translateY(22px);
            transition: opacity 0.55s ease, transform 0.55s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ── RESPONSIVE ── */
        @media (max-width: 920px) {
            .carousel-btn { display: none; }
            .proj-card { flex: 0 0 85vw; }
            .hero-inner { grid-template-columns: 1fr; text-align: center; }
            .hero-diagram { display: none; }
            .hero h1 { font-size: 2.5rem; }
            .hero p { margin: 0 auto 2.4rem; }
            .hero-btns { justify-content: center; }
            .stats-inner { grid-template-columns: repeat(2, 1fr); }
            .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
            .stat-item:nth-child(odd) { border-right: 1px solid var(--border); }
            .stat-item:last-child, .stat-item:nth-last-child(2) { border-bottom: none; }
            .about-inner { grid-template-columns: 1fr; gap: 3rem; }
            .contact-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .process-steps::before { display: none; }
            .footer-top { grid-template-columns: 1fr; gap: 2rem; }
            .form-row { grid-template-columns: 1fr; }
        }

        @media (max-width: 600px) {
            .hero { padding: 130px 1.5rem 80px; min-height: auto; }
            .hero h1 { font-size: 2rem; }
            section { padding: 65px 1.5rem; }
            .sec-title { font-size: 1.9rem; }
            .stats-inner { grid-template-columns: repeat(2, 1fr); padding: 2rem 1.5rem; }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%; left: 0; right: 0;
                background: rgba(15, 30, 80, 0.98);
                flex-direction: column;
                padding: 1.5rem 2rem;
                gap: 1.2rem;
                border-top: 1px solid rgba(255,255,255,0.08);
            }
            .nav-links.open { display: flex; }
            .hamburger { display: flex; }
            .process-steps { grid-template-columns: 1fr 1fr; }
            .c-form, .c-info { padding: 2rem 1.5rem; }
        }
