/* ── RESET & BASE ── */

      * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        body {
            background: #f8f9fb;
            color: #1e2a3e;
            overflow-x: hidden;
        }

        /* ── NAVBAR ── */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgb(192, 192, 192);
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 50px;
            color: #fff;
            font-weight: bold;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .brand-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 10;
        }
        .brand-logo {
            height: 55px;
            width: auto;
            margin-left: -40px;
            transition: all 0.4s ease;
        }
        .company-name {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }
        .main-name {
            font-size: 24px;
            font-weight: 500;
            color: #191970;
        }
        .sub-name {
            font-size: 10px;
            font-weight: 400;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .navbar .menu {
            display: flex;
            align-items: center;
        }
        .navbar .menu a {
            color: #191970;
            font-size: 15px;
            margin-left: 15px;
            margin-right: 20px;
            text-decoration: none;
            transition: all 0.3s;
        }
        .navbar .menu a:hover {
            color: #fff;
        }
        .menu a.active {
            color: #191970;
            position: relative;
        }
        .menu a.active:hover {
            color: #fff;
        }
        .menu a.active::after {
            content: "";
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #191970;
        }
        .hamburger {
            display: none;
        }

        @media (max-width: 900px) {
            .navbar {
                padding: 12px 20px;
                height: auto;
                flex-wrap: wrap;
            }
            .brand-wrapper {
                margin-left: 0;
                gap: 10px;
            }
            .brand-logo {
                height: 48px;
                margin-left: 0;
            }
            .main-name {
                font-size: 18px;
            }
            .sub-name {
                font-size: 10px;
            }
            .hamburger {
                display: flex;
                flex-direction: column;
                justify-content: space-between;
                width: 30px;
                height: 26px;
                cursor: pointer;
                margin-left: auto;
                z-index: 9999;
            }
            .hamburger span {
                height: 3px;
                width: 100%;
                background-color: #191970;
                border-radius: 6px;
                transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            }
            .hamburger.open span:nth-child(1) {
                transform: translateY(11px) rotate(45deg);
                background-color: #B8860B;
            }
            .hamburger.open span:nth-child(2) {
                opacity: 0;
                transform: scaleX(0);
            }
            .hamburger.open span:nth-child(3) {
                transform: translateY(-11px) rotate(-45deg);
                background-color: #B8860B;
            }
            .navbar .menu {
                position: fixed;
                top: 85px;
                left: 20px;
                right: 20px;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                background: rgba(25, 25, 112, 0.96);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-radius: 32px;
                padding: 20px 0;
                border: 1px solid rgba(255, 255, 255, 0.2);
                box-shadow: 0 25px 40px rgba(0, 0, 0, 0.3);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-25px) scale(0.96);
                transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
                z-index: 1000;
            }
            .navbar .menu.active {
                opacity: 1;
                visibility: visible;
                transform: translateY(0) scale(1);
            }
            .navbar .menu a {
                color: #fff;
                font-size: 18px;
                font-weight: 600;
                text-align: center;
                padding: 14px 24px;
                margin: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                transition: all 0.25s ease;
            }
            .navbar .menu a:last-child {
                border-bottom: none;
            }
            .navbar .menu a:hover,
            .navbar .menu a:active {
                background: rgba(184, 134, 11, 0.2);
                color: #B8860B;
                border-radius: 28px;
                margin: 0 12px;
                transform: scale(1.02);
            }
            .menu a.active {
                color: #B8860B;
            }
            .menu a.active::after {
                display: none;
            }
        }

        /* ── HERO ── */
        .hero {
            height: 100vh;
            background: url('../Images/services.jpeg') center/cover no-repeat;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .hero:before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.62);
        }
        .hero-content {
            position: relative;
            color: #fff;
            max-width: 900px;
            padding: 20px;
            animation: fadeUp 0.9s ease;
            text-align: center;
            margin: 0 auto;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero h1 {
            font-size: 62px;
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: -1px;
            text-align: center;
            line-height: 1.15;
        }
        .hero p {
            font-size: 1.3rem;
            line-height: 1.5;
            font-weight: 400;
            opacity: 0.95;
            text-align: center;
        }
        .hero .tagline {
            margin-top: 32px;
            font-size: 1.4rem;
            font-weight: 500;
            letter-spacing: 1px;
            color: #ffd966;
            border-top: 2px solid rgba(255, 215, 102, 0.25);
            display: inline-block;
            padding-top: 18px;
            min-height: 3.8rem;
            text-align: center;
        }
        .hero .tagline .cursor {
            display: inline-block;
            width: 3px;
            height: 1.4rem;
            background: #ffd966;
            margin-left: 4px;
            vertical-align: text-bottom;
            animation: blink 0.7s step-end infinite;
        }
        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0;
            }
        }

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 48px;
                white-space: normal;
                word-break: break-word;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
                white-space: normal;
                word-break: break-word;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero .tagline {
                font-size: 1.1rem;
                padding-top: 14px;
                min-height: 3.2rem;
            }
            .hero .tagline .cursor {
                height: 1.1rem;
            }
        }

        .section-title {
            text-align: center;
            font-size: 42px;
            font-weight: 800;
            color: #191970;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 34px;
            }
        }

        /* ══════════════════════════════════════════════════
           ANIMATION UTILITY CLASSES (Intersection Observer)
        ══════════════════════════════════════════════════ */
        .animate-on-scroll {
            opacity: 0;
            transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.9, 0.4, 1);
        }
        .animate-on-scroll.visible {
            opacity: 1;
            transform: translate(0, 0) scale(1);
        }

        /* ── Pillars animations ── */
        .pillar-left-anim {
            transform: translateX(-60px);
        }
        .pillar-left-anim.visible {
            transform: translateX(0);
        }
        .pillar-right-anim {
            transform: translateX(60px);
        }
        .pillar-right-anim.visible {
            transform: translateX(0);
        }
        .pillar-bottom-anim {
            transform: translateY(50px);
        }
        .pillar-bottom-anim.visible {
            transform: translateY(0);
        }
        .pillar-center-anim {
            transform: scale(0.7);
        }
        .pillar-center-anim.visible {
            transform: scale(1);
        }

        /* ── Investment steps ── */
        .inv-step-anim {
            transform: translateX(-50px);
        }
        .inv-step-anim.visible {
            transform: translateX(0);
        }

        /* ── Trading cards ── */
        .trade-card-anim {
            transform: translateY(50px);
        }
        .trade-card-anim.visible {
            transform: translateY(0);
        }

        /* ── Technical cards ── */
        .tech-card-anim {
            transform: scale(0.6) rotate(-6deg);
        }
        .tech-card-anim.visible {
            transform: scale(1) rotate(0deg);
        }
        .tech-arrow-anim {
            transform: scale(0.3);
        }
        .tech-arrow-anim.visible {
            transform: scale(1);
        }
        .tech-down-arrow-anim {
            transform: scaleY(0);
        }
        .tech-down-arrow-anim.visible {
            transform: scaleY(1);
        }

        /* ── CTA ── */
        .cta-anim {
            transform: translateY(40px);
        }
        .cta-anim.visible {
            transform: translateY(0);
        }

        /* ── Section title & subtitle animations ── */
        .section-title-anim {
            transform: translateY(30px);
        }
        .section-title-anim.visible {
            transform: translateY(0);
        }
        .subtitle-anim {
            transform: translateY(25px);
        }
        .subtitle-anim.visible {
            transform: translateY(0);
        }

        /* ── THREE PILLARS (circular) ── */
        .three-pillars {
            padding: 100px 40px 120px;
            background: #fff;
        }
        .title-area {
            text-align: center;
            max-width: 900px;
            margin: 0 auto 70px;
        }
        .title-area span {
            color: #b88b3a;
            letter-spacing: 3px;
            font-size: 14px;
            font-weight: 600;
        }
        .title-area h2 {
            font-size: 48px;
            margin: 18px 0;
            color: #191970;
            font-weight: 800;
        }
        .title-area p {
            color: #555;
            line-height: 1.8;
        }
        .pillars-wrapper {
            max-width: 1250px;
            margin: auto;
            display: grid;
            grid-template-columns: 1fr 380px 1fr;
            grid-template-rows: auto auto;
            align-items: center;
            gap: 30px 20px;
        }
        .circle-box {
            position: relative;
            width: 380px;
            height: 380px;
            margin: auto;
        }
        .outer-ring {
            position: absolute;
            inset: 0;
            border: 1px solid #d8b46d;
            border-radius: 50%;
        }
        .inner-ring {
            position: absolute;
            inset: 28px;
            border: 1px solid #ece7dc;
            border-radius: 50%;
        }
        .logo-circle {
            position: absolute;
            width: 170px;
            height: 170px;
            background: #fff;
            border-radius: 50%;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
            padding: 10px;
            text-align: center;
        }
        .logo-circle img {
            width: 80px;
            height: auto;
            display: block;
            margin-bottom: 6px;
        }
        .logo-circle .brand-label {
            font-size: 12px;
            font-weight: 700;
            color: #191970;
            letter-spacing: 0.3px;
            line-height: 1.2;
            max-width: 130px;
        }
        .pillar {
            max-width: 300px;
        }
        .left {
            text-align: right;
            justify-self: end;
        }
        .right {
            text-align: left;
            justify-self: start;
        }
        .bottom {
            grid-column: 2;
            text-align: center;
            margin: -10px auto 0;
            max-width: 320px;
        }
        .number {
            color: #c79a3b;
            font-size: 38px;
            font-weight: 300;
            margin-bottom: 6px;
        }
        .pillar h3 {
            color: #1f2433;
            font-size: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .line {
            width: 90px;
            height: 1px;
            background: #c79a3b;
            margin-bottom: 16px;
        }
        .left .line {
            margin-left: auto;
        }
        .bottom .line {
            margin: 0 auto 16px;
        }
        .pillar p {
            color: #555;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        @media (max-width: 1100px) {
            .pillars-wrapper {
                grid-template-columns: 1fr 320px 1fr;
                gap: 20px;
            }
            .circle-box {
                width: 320px;
                height: 320px;
            }
            .outer-ring {
                inset: 0;
            }
            .inner-ring {
                inset: 20px;
            }
            .logo-circle {
                width: 140px;
                height: 140px;
            }
            .logo-circle img {
                width: 64px;
            }
            .logo-circle .brand-label {
                font-size: 10px;
            }
            .pillar {
                max-width: 250px;
            }
            .pillar h3 {
                font-size: 17px;
            }
            .number {
                font-size: 32px;
            }
            .title-area h2 {
                font-size: 38px;
            }
        }
        @media (max-width: 820px) {
            .pillars-wrapper {
                grid-template-columns: 1fr;
                grid-template-rows: auto auto auto auto;
                gap: 40px;
                justify-items: center;
            }
            .circle-box {
                grid-row: 3;
                width: 300px;
                height: 300px;
            }
            .outer-ring {
                inset: 0;
            }
            .inner-ring {
                inset: 18px;
            }
            .logo-circle {
                width: 130px;
                height: 130px;
            }
            .logo-circle img {
                width: 58px;
            }
            .logo-circle .brand-label {
                font-size: 10px;
            }
            .pillar {
                max-width: 380px;
                text-align: center !important;
                justify-self: center !important;
            }
            .left .line,
            .bottom .line {
                margin: 0 auto 16px;
            }
            .left {
                grid-row: 1;
            }
            .right {
                grid-row: 2;
            }
            .bottom {
                grid-column: 1;
                grid-row: 4;
                margin: 0 auto;
            }
            .three-pillars {
                padding: 70px 20px 90px;
            }
            .title-area h2 {
                font-size: 32px;
            }
        }
        @media (max-width: 480px) {
            .circle-box {
                width: 240px;
                height: 240px;
            }
            .outer-ring {
                inset: 0;
            }
            .inner-ring {
                inset: 14px;
            }
            .logo-circle {
                width: 100px;
                height: 100px;
            }
            .logo-circle img {
                width: 44px;
                margin-bottom: 4px;
            }
            .logo-circle .brand-label {
                font-size: 8px;
                max-width: 80px;
            }
            .pillar {
                max-width: 280px;
            }
            .pillar h3 {
                font-size: 16px;
            }
            .number {
                font-size: 28px;
            }
            .title-area h2 {
                font-size: 26px;
            }
        }

        /* ══════════════════════════════════════════════════
           INVESTMENT PROCESS (vertical timeline)
        ══════════════════════════════════════════════════ */
        .investment-process {
            padding: 110px 24px 130px;
            background: #191970;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .investment-process::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(rgba(184, 134, 11, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .investment-process .container {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .investment-process .section-title {
            color: #fff;
            margin-bottom: 12px;
        }
        .investment-process .subtitle {
            text-align: center;
            font-size: 1.15rem;
            opacity: 0.75;
            max-width: 640px;
            margin: 0 auto 60px;
            line-height: 1.6;
            font-weight: 400;
        }
        .inv-timeline {
            display: flex;
            flex-direction: column;
            gap: 6px;
            position: relative;
            padding-left: 40px;
        }
        .inv-timeline::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 20px;
            bottom: 20px;
            width: 2px;
            background: rgba(255, 215, 102, 0.25);
        }
        .inv-step {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            padding: 20px 0 20px 0;
            position: relative;
            transition: 0.3s;
        }
        .inv-step:hover .inv-icon {
            transform: scale(1.08);
            background: #B8860B;
            color: #fff;
        }
        .inv-icon {
            flex: 0 0 56px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 2px solid rgba(255, 215, 102, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #ffd966;
            transition: 0.35s;
            position: relative;
            z-index: 2;
            font-weight: 600;
        }
        .inv-icon .num {
            font-size: 0.8rem;
            font-weight: 700;
            color: #ffd966;
        }
        .inv-body {
            flex: 1;
            padding-top: 4px;
        }
        .inv-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #ffd966;
        }
        .inv-body p {
            opacity: 0.82;
            line-height: 1.7;
            font-size: 0.98rem;
            max-width: 780px;
        }
        .inv-step:not(:last-child) .inv-body::after {
            content: "↓";
            display: block;
            color: rgba(255, 215, 102, 0.25);
            font-size: 1.6rem;
            margin-top: 14px;
            font-weight: 300;
        }

        @media (max-width: 768px) {
            .investment-process {
                padding: 80px 18px 100px;
            }
            .inv-timeline {
                padding-left: 20px;
            }
            .inv-timeline::before {
                left: 8px;
            }
            .inv-icon {
                flex: 0 0 44px;
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .inv-body h3 {
                font-size: 1.15rem;
            }
            .inv-body p {
                font-size: 0.92rem;
            }
            .inv-step {
                gap: 18px;
                padding: 14px 0;
            }
            .investment-process .subtitle {
                font-size: 1rem;
                margin-bottom: 40px;
            }
        }

        /* ── 2. TRADING APPROACH (horizontal flowing cards) ── */
        .trading-approach {
            padding: 110px 24px 130px;
            background: #f8f9fb;
            position: relative;
        }
        .trading-approach .container {
            max-width: 1300px;
            margin: 0 auto;
        }
        .trading-approach .section-title {
            color: #191970;
            margin-bottom: 12px;
        }
        .trading-approach .subtitle {
            text-align: center;
            font-size: 1.15rem;
            color: #4a5568;
            max-width: 640px;
            margin: 0 auto 60px;
            line-height: 1.6;
            font-weight: 400;
        }
        .trading-flow {
            display: flex;
            align-items: stretch;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .trade-card {
            flex: 1 1 170px;
            min-width: 150px;
            max-width: 220px;
            background: #fff;
            border-radius: 24px;
            padding: 32px 18px 28px;
            text-align: center;
            box-shadow: 0 8px 28px rgba(25, 25, 112, 0.07);
            transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            border: 1px solid rgba(25, 25, 112, 0.04);
            position: relative;
        }
        .trade-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 45px rgba(25, 25, 112, 0.12);
            border-color: rgba(184, 134, 11, 0.2);
        }
        .trade-card .icon {
            font-size: 2.4rem;
            color: #B8860B;
            margin-bottom: 18px;
            display: block;
            background: rgba(184, 134, 11, 0.08);
            width: 70px;
            height: 70px;
            line-height: 70px;
            border-radius: 50%;
            margin-left: auto;
            margin-right: auto;
            transition: 0.3s;
        }
        .trade-card:hover .icon {
            background: #B8860B;
            color: #fff;
            transform: rotateY(180deg);
        }
        .trade-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #191970;
            margin-bottom: 10px;
        }
        .trade-card p {
            font-size: 0.88rem;
            color: #555;
            line-height: 1.6;
        }
        .trade-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #c79a3b;
            font-weight: 300;
            flex: 0 0 30px;
            opacity: 0.5;
        }

        @media (max-width: 1000px) {
            .trade-arrow {
                display: none;
            }
            .trading-flow {
                gap: 24px;
            }
            .trade-card {
                flex: 1 1 160px;
                max-width: 200px;
            }
        }
        @media (max-width: 700px) {
            .trading-approach {
                padding: 80px 18px 100px;
            }
            .trade-card {
                flex: 1 1 100%;
                max-width: 320px;
                padding: 28px 16px 24px;
            }
            .trading-flow {
                gap: 20px;
            }
            .trading-approach .subtitle {
                font-size: 1rem;
                margin-bottom: 40px;
            }
        }

        /* ── 3. TECHNICAL & ENGINEERING APPROACH (CIRCULAR, 3-2 LAYOUT) ── */
        .technical-approach {
            padding: 110px 24px 130px;
            background: #191970;
            position: relative;
            overflow: hidden;
        }
        .technical-approach::before {
            content: "";
            position: absolute;
            bottom: -20%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(rgba(184, 134, 11, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .technical-approach .container {
            max-width: 1100px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .technical-approach .section-title {
            color: #fff;
            margin-bottom: 12px;
        }
        .technical-approach .subtitle {
            text-align: center;
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 60px;
            line-height: 1.6;
            font-weight: 400;
        }

        .tech-flow {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .tech-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .tech-down-arrow {
            color: rgba(255, 215, 102, 0.5);
            font-size: 2.6rem;
            padding: 16px 0 12px;
            display: flex;
            justify-content: center;
            width: 100%;
            font-weight: 300;
        }

        .tech-card {
            background: #fff;
            border-radius: 50%;
            width: 240px;
            height: 240px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 28px 20px;
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
            transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            border: 3px solid transparent;
            color: #1e2a3e;
        }
        .tech-card:hover {
            transform: translateY(-14px) scale(1.05);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
            border-color: #B8860B;
        }
        .tech-card .icon {
            font-size: 2.4rem;
            color: #191970;
            margin-bottom: 6px;
            background: transparent;
            width: auto;
            height: auto;
            line-height: 1;
            transition: 0.3s;
        }
        .tech-card:hover .icon {
            color: #B8860B;
            transform: scale(1.15);
        }
        .tech-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #191970;
            margin-bottom: 6px;
            line-height: 1.25;
        }
        .tech-card p {
            font-size: 0.8rem;
            color: #555;
            line-height: 1.5;
            margin: 0;
            max-width: 180px;
        }
        .tech-step-num {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            color: #B8860B;
            background: rgba(184, 134, 11, 0.12);
            padding: 2px 14px;
            border-radius: 40px;
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .tech-arrow {
            color: rgba(255, 215, 102, 0.55);
            font-size: 2.2rem;
            display: flex;
            align-items: center;
            font-weight: 300;
            flex-shrink: 0;
        }

        .bottom-row {
            margin-top: 4px;
        }

        @media (max-width: 1100px) {
            .tech-card {
                width: 200px;
                height: 200px;
                padding: 22px 16px;
            }
            .tech-card .icon {
                font-size: 2rem;
            }
            .tech-card h3 {
                font-size: 1rem;
            }
            .tech-card p {
                font-size: 0.72rem;
                max-width: 150px;
            }
            .tech-arrow {
                font-size: 1.8rem;
            }
            .tech-row {
                gap: 16px;
            }
            .tech-down-arrow {
                font-size: 2.2rem;
                padding: 12px 0 8px;
            }
        }

        @media (max-width: 850px) {
            .tech-card {
                width: 170px;
                height: 170px;
                padding: 18px 12px;
            }
            .tech-card .icon {
                font-size: 1.6rem;
                margin-bottom: 4px;
            }
            .tech-card h3 {
                font-size: 0.85rem;
            }
            .tech-card p {
                font-size: 0.62rem;
                max-width: 120px;
            }
            .tech-step-num {
                font-size: 0.6rem;
                padding: 0 10px;
            }
            .tech-arrow {
                font-size: 1.4rem;
            }
            .tech-row {
                gap: 10px;
            }
            .tech-down-arrow {
                font-size: 1.8rem;
                padding: 8px 0 6px;
            }
        }

        @media (max-width: 650px) {
            .technical-approach {
                padding: 80px 18px 100px;
            }
            .technical-approach .subtitle {
                font-size: 1rem;
                margin-bottom: 40px;
            }
            .tech-card {
                width: 140px;
                height: 140px;
                padding: 14px 10px;
            }
            .tech-card .icon {
                font-size: 1.3rem;
                margin-bottom: 2px;
            }
            .tech-card h3 {
                font-size: 0.7rem;
                margin-bottom: 3px;
            }
            .tech-card p {
                display: none;
            }
            .tech-step-num {
                font-size: 0.5rem;
                padding: 0 8px;
                margin-bottom: 3px;
            }
            .tech-arrow {
                font-size: 1.2rem;
            }
            .tech-row {
                gap: 6px;
            }
            .tech-down-arrow {
                font-size: 1.5rem;
                padding: 6px 0 4px;
            }
        }

        @media (max-width: 480px) {
            .tech-card {
                width: 120px;
                height: 120px;
                padding: 10px 6px;
            }
            .tech-card .icon {
                font-size: 1.1rem;
            }
            .tech-card h3 {
                font-size: 0.6rem;
            }
            .tech-step-num {
                font-size: 0.45rem;
                padding: 0 6px;
            }
            .tech-arrow {
                font-size: 1rem;
            }
            .tech-row {
                gap: 4px;
            }
            .tech-down-arrow {
                font-size: 1.2rem;
                padding: 4px 0 2px;
            }
        }

        /* ── CTA ── */
        .cta {
            padding: 140px 20px;
            text-align: center;
            background: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(rgba(25, 25, 112, .08), transparent 70%);
            top: -200px;
            left: -150px;
        }
        .cta::after {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(rgba(63, 81, 181, .08), transparent 70%);
            bottom: -150px;
            right: -120px;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: auto;
        }
        .cta h2 {
            color: #191970;
            font-size: 3.2rem;
            margin-bottom: 25px;
            font-weight: 800;
            letter-spacing: -1px;
        }
        .cta p {
            color: #4b5563;
            font-size: 1.2rem;
            line-height: 1.8;
            max-width: 700px;
            margin: auto;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-top: 40px;
            padding: 18px 42px;
            background: linear-gradient(135deg, #191970, #3f51b5);
            color: white;
            text-decoration: none;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            transition: .4s;
            box-shadow: 0 15px 35px rgba(25, 25, 112, .18);
        }
        .cta-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 45px rgba(25, 25, 112, .25);
        }
        @media (max-width: 768px) {
            .cta h2 {
                font-size: 2.2rem;
            }
            .cta p {
                font-size: 1rem;
            }
            .cta {
                padding: 90px 20px;
            }
        }

        /* ── FOOTER ── */
        .footer {
            background: #191970;
            color: #fff;
            margin-top: 70px;
        }
        .footer-container {
            max-width: 1300px;
            margin: auto;
            padding: 60px 25px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 40px;
        }
        .footer-box h3 {
            margin-bottom: 20px;
            font-size: 22px;
            color: #fff;
            position: relative;
        }
        .footer-box h3::after {
            content: "";
            width: 55px;
            height: 3px;
            background: #5dade2;
            display: block;
            margin-top: 8px;
            border-radius: 10px;
        }
        .footer-box p,
        .footer-box li,
        .footer-box a {
            color: #cfd4e6;
            line-height: 1.8;
            text-decoration: none;
            transition: .3s;
        }
        .footer-box ul {
            padding: 0;
            list-style: none;
        }
        .footer-box li {
            margin: 10px 0;
        }
        .footer-box a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-logo {
            width: 90px;
            margin-bottom: 15px;
        }
        .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 25px;
        }
        .social-icons a {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: .3s;
        }
        .social-icons a:hover {
            background: #777;
            transform: translateY(-4px);
        }
        .footer-box form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-box input,
        .footer-box textarea {
            background: rgba(255, 255, 255, .08);
            color: white;
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 8px;
            padding: 12px;
            outline: none;
        }
        .footer-box input::placeholder,
        .footer-box textarea::placeholder {
            color: #bbb;
        }
        .footer-box textarea {
            min-height: 110px;
        }
        .footer-box button {
            background: #2d7ff9;
            color: #fff;
            border: none;
            padding: 13px;
            border-radius: 8px;
            cursor: pointer;
            transition: .3s;
            font-weight: 600;
        }
        .footer-box button:hover {
            background: #1d63ca;
        }
        .footer-map {
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-map iframe {
            width: 100%;
            height: 280px;
            border: 0;
        }
        .footer-bottom {
            background: #10104d;
            text-align: center;
            padding: 22px;
            color: #cfd4e6;
            font-size: 14px;
        }
        #backToTop {
            position: fixed;
            right: 28px;
            bottom: 28px;
            width: 50px;
            height: 50px;
            border: none;
            border-radius: 50%;
            background: #191970;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            display: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
            z-index: 99;
            transition: 0.2s;
        }
        #backToTop:hover {
            background: #2c2c8a;
            transform: scale(1.05);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 8px 0;
            color: #cfd4e6;
        }
        .contact-item i {
            width: 20px;
            color: #5dade2;
        }
        .contact-item a {
            color: #cfd4e6;
            text-decoration: none;
        }
        .contact-item a:hover {
            color: #fff;
        }