/* =========================================================
           PRESENTATION
        ========================================================= */

        html,
        body {
            overflow: hidden;
        }

        .presentation-page {
            position: relative;
            min-height: calc(100vh - 72px);
            padding: 85px 5vw 90px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .presentation-container {
            width: min(1400px, 100%);
            height: calc(100vh - 150px);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 18px;
        }


        /* =========================================================
           TITRE
        ========================================================= */

        .presentation-heading {
            text-align: center;
            margin-bottom: 2px;
        }

        .presentation-heading span {
            display: inline-block;
            margin-bottom: 4px;
            color: var(--blue-light);
            font-family: "Rajdhani", sans-serif;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 4px;
            text-transform: uppercase;
            text-shadow: 0 0 12px rgba(var(--blue-light-rgb), 0.8);
        }

        .presentation-heading h1 {
            margin: 0;
            color: white;
            font-family: "Patrick Hand", cursive;
            font-size: clamp(44px, 4vw, 64px);
            line-height: 0.9;
            font-weight: 400;
            text-transform: uppercase;
            text-shadow:
                0 0 10px rgba(255,255,255,0.25),
                0 0 25px rgba(var(--blue-rgb), 0.4);
        }

        .presentation-heading h1 strong {
            color: var(--blue-light);
            font-weight: 400;
        }


        /* =========================================================
           INTRO
        ========================================================= */

        .presentation-intro {
            width: 100%;
            padding: 15px 30px;
            background: rgba(2, 10, 22, 0.62);
            border: 1px solid rgba(var(--blue-light-rgb), 0.22);
            border-left: 3px solid var(--blue-light);
            border-right: 3px solid var(--blue-light);
            border-radius: 8px;

            box-shadow:
                0 0 20px rgba(var(--blue-rgb), 0.08),
                inset 0 0 25px rgba(var(--blue-rgb), 0.03);

            backdrop-filter: blur(7px);
            -webkit-backdrop-filter: blur(7px);
        }

        .presentation-intro p {
            margin: 0;
            color: rgba(255, 255, 255, 0.86);
            font-family: "Patrick Hand", cursive;
            font-size: 17px;
            line-height: 1.18;
            text-align: center;
        }

        .intro-highlight {
            display: block;
            margin-top: 5px;
            color: var(--blue-light);
            font-size: 20px;
            text-shadow: 0 0 10px rgba(var(--blue-light-rgb), 0.5);
        }


        /* =========================================================
           4 CASES
        ========================================================= */

        .presentation-features {
            width: 100%;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .feature-card {
            position: relative;
            min-height: 135px;
            padding: 18px 17px;

            background:
                linear-gradient(
                    145deg,
                    rgba(5, 18, 34, 0.92),
                    rgba(2, 8, 18, 0.84)
                );

            border: 1px solid rgba(var(--blue-light-rgb), 0.28);
            border-radius: 8px;

            box-shadow:
                0 0 16px rgba(var(--blue-rgb), 0.08),
                inset 0 0 20px rgba(var(--blue-rgb), 0.035);

            transition:
                transform 0.25s ease,
                border-color 0.25s ease,
                box-shadow 0.25s ease;

            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 45px;
            height: 2px;
            background: var(--blue-light);
            box-shadow: 0 0 12px var(--blue-light);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(var(--blue-light-rgb), 0.65);

            box-shadow:
                0 0 24px rgba(var(--blue-rgb), 0.16),
                inset 0 0 25px rgba(var(--blue-rgb), 0.05);
        }

        .feature-card h2 {
            margin: 0 0 7px;

            color: var(--blue-light);
            font-family: "Patrick Hand", cursive;
            font-size: 25px;
            font-weight: 400;
            line-height: 1;
            text-transform: uppercase;

            text-shadow:
                0 0 9px rgba(var(--blue-light-rgb), 0.5);
        }

        .feature-card p {
            margin: 0;

            color: rgba(255, 255, 255, 0.78);
            font-family: "Patrick Hand", cursive;
            font-size: 15px;
            line-height: 1.2;
        }


        /* =========================================================
           BLUE IA
        ========================================================= */

        .blue-ia-card {
            position: relative;
            width: 100%;
            min-height: 195px;

            display: grid;
            grid-template-columns: 270px 1fr;
            align-items: center;

            background:
                linear-gradient(
                    110deg,
                    rgba(4, 22, 39, 0.96),
                    rgba(2, 9, 20, 0.88)
                );

            border: 1px solid rgba(var(--blue-light-rgb), 0.38);
            border-radius: 10px;

            overflow: hidden;

            box-shadow:
                0 0 25px rgba(var(--blue-rgb), 0.12),
                inset 0 0 35px rgba(var(--blue-rgb), 0.035);
        }

        .blue-ia-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;

            background: linear-gradient(
                90deg,
                transparent,
                var(--blue-light),
                #65dcff,
                var(--blue-light),
                transparent
            );

            box-shadow: 0 0 14px var(--blue-light);
        }

        .blue-ia-image {
            height: 100%;
            min-height: 195px;

            display: flex;
            align-items: flex-end;
            justify-content: center;

            position: relative;

            background:
                radial-gradient(
                    circle at center bottom,
                    rgba(var(--blue-rgb), 0.18),
                    transparent 65%
                );
        }

        .blue-ia-image img {
            height: 205px;
            width: auto;
            max-width: 100%;

            object-fit: contain;

            filter:
                drop-shadow(0 0 10px rgba(var(--blue-rgb), 0.3))
                drop-shadow(0 0 25px rgba(var(--blue-rgb), 0.15));

            transition: transform 0.3s ease;
        }

        .blue-ia-card:hover .blue-ia-image img {
            transform: translateY(-5px) scale(1.025);
        }

        .blue-ia-content {
            padding: 22px 30px 22px 10px;
        }

        .blue-ia-label {
            display: inline-block;
            margin-bottom: 2px;

            color: var(--blue-light);
            font-family: "Rajdhani", sans-serif;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 3px;

            text-shadow: 0 0 10px rgba(var(--blue-light-rgb), 0.5);
        }

        .blue-ia-content h2 {
            margin: 0 0 7px;

            color: white;
            font-family: "Patrick Hand", cursive;
            font-size: 31px;
            font-weight: 400;
            line-height: 1;

            text-transform: uppercase;

            text-shadow:
                0 0 12px rgba(255,255,255,0.18);
        }

        .blue-ia-content h2 span {
            color: var(--blue-light);

            text-shadow:
                0 0 10px rgba(var(--blue-light-rgb), 0.65);
        }

        .blue-ia-content p {
            margin: 0 0 7px;

            color: rgba(255, 255, 255, 0.8);
            font-family: "Patrick Hand", cursive;
            font-size: 16px;
            line-height: 1.18;
        }

        .blue-ia-content .blue-ia-highlight {
            color: var(--blue-light);
            font-size: 18px;
            line-height: 1.1;

            text-shadow:
                0 0 9px rgba(var(--blue-light-rgb), 0.45);
        }

        .blue-ia-signature {
            margin-top: 7px !important;

            color: white !important;
            font-size: 17px !important;
        }


        /* =========================================================
           PHRASE FINALE
        ========================================================= */

        .presentation-final {
            margin: 0;
            text-align: center;

            color: var(--blue-light);
            font-family: "Patrick Hand", cursive;
            font-size: 22px;
            line-height: 1;

            text-transform: uppercase;

            text-shadow:
                0 0 10px rgba(var(--blue-light-rgb), 0.55),
                0 0 25px rgba(var(--blue-light-rgb), 0.2);
        }


        /* =========================================================
           RESPONSIVE
        ========================================================= */

        @media (max-width: 1100px) {

            .presentation-page {
                padding-left: 3vw;
                padding-right: 3vw;
            }

            .presentation-container {
                gap: 13px;
            }

            .presentation-intro p {
                font-size: 15px;
            }

            .feature-card {
                min-height: 125px;
                padding: 15px;
            }

            .feature-card h2 {
                font-size: 22px;
            }

            .feature-card p {
                font-size: 14px;
            }

            .blue-ia-card {
                grid-template-columns: 220px 1fr;
                min-height: 175px;
            }

            .blue-ia-image {
                min-height: 175px;
            }

            .blue-ia-image img {
                height: 180px;
            }

            .blue-ia-content {
                padding: 18px 22px 18px 5px;
            }

            .blue-ia-content h2 {
                font-size: 27px;
            }

            .blue-ia-content p {
                font-size: 14px;
            }
        }


        @media (max-width: 800px) {

            html,
            body {
                overflow: auto;
            }

            .presentation-page {
                padding: 100px 20px 100px;
            }

            .presentation-container {
                height: auto;
            }

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

            .blue-ia-card {
                grid-template-columns: 1fr;
            }

            .blue-ia-image {
                height: 190px;
                min-height: 190px;
            }

            .blue-ia-image img {
                height: 190px;
            }

            .blue-ia-content {
                padding: 20px;
            }
        }


        @media (max-width: 520px) {

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

            .presentation-heading h1 {
                font-size: 42px;
            }

            .presentation-intro {
                padding: 15px 18px;
            }
        }