:root {
            --bg: #ffffff;
            --bg-soft: #f5f5f7;
            --bg-softer: #f9f9fb;
            --fg: #1d1d1f;
            --fg-soft: #6e6e73;
            --border-subtle: rgba(0,0,0,0.06);
            --accent: #0071e3;
            --accent-soft: rgba(0,113,227,0.1);
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-soft: 0 18px 40px rgba(0,0,0,0.08);
            --max-width: 1080px;
            --nav-height: 64px;
            --transition-fast: 160ms ease-out;
        }

        * {
            box-sizing: border-box;
        }

        html, body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, system-ui, -system-ui, "SF Pro Text", "SF Pro Display", sans-serif;
            background: var(--bg);
            color: var(--fg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body {
            scroll-behavior: smooth;
        }

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

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* NAV */

        .nav {
            position: sticky;
            top: 0;
            z-index: 40;
            backdrop-filter: blur(16px);
            background: rgba(255,255,255,0.82);
            border-bottom: 1px solid rgba(0,0,0,0.04);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .logo-img {
            height: 32px;
            width: auto;
            display: block;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 13px;
            color: var(--fg-soft);
        }

        .nav-link {
            position: relative;
            padding-bottom: 2px;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--fg);
            transition: width var(--transition-fast);
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            border-radius: 999px;
            border: 1px solid transparent;
            font-size: 13px;
            padding: 7px 16px;
            line-height: 1.3;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            background: transparent;
            color: var(--fg);
            transition:
                    background var(--transition-fast),
                    color var(--transition-fast),
                    border-color var(--transition-fast),
                    box-shadow var(--transition-fast),
                    transform var(--transition-fast);
            -webkit-appearance: none;
        }

        .btn-primary {
            background: var(--fg);
            color: #fff;
            border-color: var(--fg);
            box-shadow: 0 12px 30px rgba(0,0,0,0.16);
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 16px 40px rgba(0,0,0,0.20);
        }

        .btn-ghost {
            background: transparent;
            color: var(--fg);
            border-color: rgba(0,0,0,0.10);
        }

        .btn-ghost:hover {
            background: #f2f2f3;
        }

        .btn-icon {
            font-size: 15px;
            transform: translateY(0.5px);
        }

        /* HERO */

        .hero {
            padding: 72px 0 64px;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.25fr) minmax(0, 1.1fr);
            gap: 56px;
            align-items: center;
        }

        .eyebrow {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--fg-soft);
            margin-bottom: 16px;
        }

        .hero-title {
            font-size: clamp(40px, 5vw, 54px);
            line-height: 1.05;
            letter-spacing: -0.045em;
            margin: 0 0 18px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.5;
            color: var(--fg-soft);
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .hero-note {
            font-size: 13px;
            color: var(--fg-soft);
        }

        .hero-note-strong {
            color: var(--fg);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            padding: 20px;
            background: radial-gradient(circle at 0% 0%, #111827 0%, #020617 45%, #000000 100%);
            box-shadow: var(--shadow-soft);
            overflow: hidden;
            min-height: 320px;
        }

        .hero-glow {
            position: absolute;
            inset: -30%;
            background:
                    radial-gradient(circle at 15% 15%, rgba(96,165,250,0.40), transparent 55%),
                    radial-gradient(circle at 85% 20%, rgba(56,189,248,0.35), transparent 55%),
                    radial-gradient(circle at 50% 80%, rgba(249,115,22,0.30), transparent 55%);
            opacity: 0.85;
            filter: blur(3px);
            pointer-events: none;
        }

        .hero-frame {
            position: relative;
            border-radius: 18px;
            padding: 18px;
            background: rgba(15,23,42,0.88);
            border: 1px solid rgba(148,163,184,0.35);
            backdrop-filter: blur(16px);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 16px;
            color: #e5e7eb;
            font-size: 12px;
        }

        .hero-metric-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 9px;
            border-radius: 999px;
            background: rgba(15,23,42,0.95);
            border: 1px solid rgba(148,163,184,0.6);
            font-size: 11px;
            margin-bottom: 10px;
        }

        .hero-metric-dot {
            width: 7px;
            height: 7px;
            border-radius: 999px;
            background: #22c55e;
            box-shadow: 0 0 0 4px rgba(34,197,94,0.28);
        }

        .hero-metric-label {
            color: #9ca3af;
        }

        .hero-metric-value {
            font-weight: 600;
            color: #e5e7eb;
        }

        .hero-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .hero-pill {
            padding: 5px 9px;
            border-radius: 999px;
            background: rgba(15,23,42,0.96);
            border: 1px solid rgba(148,163,184,0.4);
            color: #cbd5f5;
            font-size: 11px;
            white-space: nowrap;
        }

        .hero-columns-title {
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: #9ca3af;
            margin-bottom: 8px;
        }

        .hero-column-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(15,23,42,0.96);
            border-radius: 10px;
            border: 1px solid rgba(148,163,184,0.45);
            padding: 7px 9px;
        }

        .hero-item-label {
            color: #e5e7eb;
            font-size: 11px;
        }

        .hero-item-sub {
            color: #9ca3af;
            font-size: 10px;
        }

        .hero-item-value {
            font-size: 11px;
            font-weight: 600;
            color: #a5b4fc;
        }

        .hero-mini {
            border-radius: 12px;
            border: 1px solid rgba(148,163,184,0.45);
            padding: 10px 11px;
            background: rgba(15,23,42,0.96);
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-self: flex-start;
        }

        .hero-mini-row {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            font-size: 11px;
        }

        .hero-mini-label {
            color: #9ca3af;
        }

        .hero-mini-value {
            color: #e5e7eb;
            font-weight: 500;
        }

        .hero-mini-tag {
            font-size: 10px;
            color: #9ca3af;
        }

        /* GENERIC SECTION STYLES */

        section {
            padding: 56px 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-eyebrow {
            font-size: 13px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--fg-soft);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 28px;
            letter-spacing: -0.035em;
            margin: 0 0 12px;
        }

        .section-description {
            font-size: 15px;
            color: var(--fg-soft);
            max-width: 560px;
        }

        /* EXPERTISE GRID */

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
        }

        .card {
            border-radius: var(--radius-lg);
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            padding: 18px 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .card-title {
            font-size: 16px;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .card-text {
            font-size: 14px;
            color: var(--fg-soft);
            flex: 1;
        }

        .card-link {
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--fg);
        }

        .card-link span {
            font-size: 16px;
            transform: translateY(0.5px);
        }

        .card:hover {
            background: var(--bg-softer);
        }

        /* PROBLEM SECTION */

        .problem-block {
            border-radius: var(--radius-xl);
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            padding: 26px 24px;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
            gap: 24px;
        }

        .problem-text {
            font-size: 15px;
            color: var(--fg-soft);
            line-height: 1.6;
        }

        .problem-highlight {
            font-size: 15px;
            font-weight: 500;
            color: var(--fg);
        }

        .problem-list {
            font-size: 13px;
            color: var(--fg-soft);
            margin: 0;
            padding-left: 18px;
            margin-block-start: 1em;
        }

        .problem-list li + li {
            margin-top: 4px;
        }

        /* PROCESS */

        .process-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
            gap: 24px;
        }

        .process-steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        .step {
            border-radius: 14px;
            border: 1px solid var(--border-subtle);
            background: #ffffff;
            padding: 14px 14px 12px;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 10px;
            align-items: flex-start;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .step:hover {
            border-color: rgba(0,0,0,0.12);
            background: var(--bg-softer);
        }

        .step.active {
            border-color: var(--accent);
            background: var(--accent-soft);
        }

        .step-index {
            width: 22px;
            height: 22px;
            border-radius: 999px;
            border: 1px solid rgba(0,0,0,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .step.active .step-index {
            background: var(--accent);
            color: #ffffff;
            border-color: var(--accent);
        }

        .step-title {
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 4px;
        }

        .step-text {
            font-size: 13px;
            color: var(--fg-soft);
        }

        .process-details {
            border-radius: 14px;
            padding: 20px 18px 18px;
            background: var(--bg-soft);
            position: relative;
            min-height: 280px;
        }

        .process-detail {
            display: none;
            animation: fadeInUp 0.3s ease-out;
        }

        .process-detail.active {
            display: block;
        }

        .process-detail-title {
            font-size: 16px;
            font-weight: 600;
            letter-spacing: -0.02em;
            margin: 0 0 12px;
        }

        .process-detail-text {
            font-size: 14px;
            color: var(--fg-soft);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .process-detail-list {
            font-size: 13px;
            color: var(--fg-soft);
            margin: 0;
            padding-left: 18px;
        }

        .process-detail-list li + li {
            margin-top: 6px;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* CASE STUDIES */

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .case-card {
            border-radius: var(--radius-lg);
            padding: 18px 18px 14px;
            border: 1px solid var(--border-subtle);
            background: #ffffff;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .case-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--fg-soft);
        }

        .case-title {
            font-size: 16px;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .case-metric {
            font-size: 14px;
            color: var(--fg);
            font-weight: 500;
        }

        .case-tagline {
            font-size: 13px;
            color: var(--fg-soft);
        }

        .cases-footer {
            margin-top: 18px;
        }

        /* EDGE SECTION */

        .edge-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .edge-item {
            border-radius: 16px;
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            padding: 16px 16px 14px;
        }

        .edge-title {
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .edge-text {
            font-size: 13px;
            color: var(--fg-soft);
        }

        /* TECH STACK */

        .tech-card {
            border-radius: var(--radius-xl);
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            padding: 20px 18px 18px;
        }

        .tech-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .tech-pill {
            border-radius: 999px;
            border: 1px solid rgba(0,0,0,0.08);
            padding: 7px 11px;
            font-size: 13px;
            background: #fff;
        }

        /* TESTIMONIALS */

        .testimonial-card {
            border-radius: var(--radius-xl);
            background: #ffffff;
            border: 1px solid var(--border-subtle);
            padding: 20px 20px 18px;
            max-width: 640px;
        }

        .testimonial-quote {
            font-size: 16px;
            line-height: 1.6;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .testimonial-author {
            font-size: 13px;
            color: var(--fg-soft);
        }

        /* FINAL CTA */

        .final-cta {
            border-radius: 32px;
            background: #000000;
            color: #ffffff;
            padding: 30px 26px 28px;
            display: grid;
            grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
            gap: 24px;
            align-items: center;
        }

        .final-title {
            font-size: 26px;
            letter-spacing: -0.04em;
            margin: 0 0 10px;
        }

        .final-subtitle {
            font-size: 15px;
            color: rgba(249,250,251,0.72);
            max-width: 460px;
            margin-bottom: 18px;
        }

        .final-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .final-note {
            font-size: 12px;
            color: rgba(249,250,251,0.75);
        }

        /* FOOTER */

        .footer {
            border-top: 1px solid rgba(0,0,0,0.06);
            padding: 28px 0 26px;
            font-size: 12px;
            color: var(--fg-soft);
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .footer-col-title {
            font-size: 12px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 10px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: baseline;
        }

        .footer-tagline {
            font-size: 12px;
        }

        .footer-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .footer-link {
            text-decoration: none;
            color: var(--fg-soft);
        }

        .footer-link:hover {
            color: var(--fg);
        }

        /* MODAL */

        .modal {
            position: fixed;
            inset: 0;
            z-index: 1000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal.active {
            display: flex;
        }

        .modal-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            animation: fadeIn 0.2s ease-out;
        }

        .modal-content {
            position: relative;
            background: #ffffff;
            border-radius: 24px;
            padding: 40px;
            max-width: 480px;
            width: 100%;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
            animation: slideUp 0.3s ease-out;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            background: var(--bg-soft);
            color: var(--fg-soft);
            font-size: 24px;
            line-height: 1;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .modal-close:hover {
            background: var(--bg-softer);
            color: var(--fg);
            transform: rotate(90deg);
        }

        .modal-title {
            font-size: 28px;
            letter-spacing: -0.035em;
            margin: 0 0 10px;
        }

        .modal-description {
            font-size: 15px;
            color: var(--fg-soft);
            margin-bottom: 28px;
        }

        /* FORM */

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid rgba(0, 0, 0, 0.10);
            background: var(--bg);
            font-size: 15px;
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px var(--accent-soft);
        }

        .form-input.error {
            border-color: #ef4444;
        }

        .form-input.error:focus {
            box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
        }

        .form-error {
            display: block;
            font-size: 13px;
            color: #ef4444;
            min-height: 18px;
        }

        .btn-submit {
            margin-top: 8px;
            width: 100%;
        }

        /* SUCCESS MESSAGE */

        .success-message {
            text-align: center;
            padding: 20px 0;
        }

        .success-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: #22c55e;
            color: #ffffff;
            font-size: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            animation: scaleIn 0.4s ease-out;
        }

        .success-title {
            font-size: 24px;
            letter-spacing: -0.03em;
            margin: 0 0 8px;
        }

        .success-text {
            font-size: 15px;
            color: var(--fg-soft);
        }

        /* ANIMATIONS */

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes scaleIn {
            from {
                transform: scale(0);
            }
            to {
                transform: scale(1);
            }
        }

        /* BODY LOCK */

        body.modal-open {
            overflow: hidden;
        }

        @media (max-width: 960px) {
            .hero-grid {
                grid-template-columns: minmax(0, 1fr);
                gap: 32px;
            }

            .hero-visual {
                order: -1;
            }

            .cards-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

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

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

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

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

        @media (max-width: 720px) {
            .nav-inner {
                gap: 12px;
            }

            .nav-links {
                display: none;
            }

            .hero {
                padding-top: 40px;
            }

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

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

            section {
                padding: 44px 0;
            }

            .final-cta {
                border-radius: 24px;
                padding: 24px 18px;
            }

            .modal-content {
                padding: 32px 24px;
                border-radius: 20px;
            }

            .modal-title {
                font-size: 24px;
            }
        }