        /* INTEGRATED STYLES FROM TUNNEL MOCKUP */
        :root {
            --primary: #e3ab47;
            --primary-deep: #c99336;
            --secondary: #23160e;
            --secondary-soft: #5e4532;
            --bg: #fce8b2;
            --bg-2: #f7ddb0;
            --white: #fffaf0;
            --panel: rgba(255, 250, 240, 0.84);
            --border: rgba(35, 22, 14, 0.12);
            --radius: 24px;
            --radius-lg: 32px;
            --text-gray: rgba(35, 22, 14, 0.62);
            --primary-pastel: #f5e1b8;
            --secondary-pastel: #f1e2d1;
            --shadow-soft: 0 18px 44px rgba(103, 70, 22, 0.12);
            --shadow-strong: 0 24px 70px rgba(103, 70, 22, 0.18);
        }

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

        body {
            font-family: 'Outfit', sans-serif;
            background:
                radial-gradient(circle at top left, rgba(200, 230, 160, 0.9), transparent 22%),
                radial-gradient(circle at top right, rgba(255, 194, 163, 0.85), transparent 26%),
                linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
            color: var(--secondary);
            height: 100vh;
            display: flex;
            overflow: hidden;
        }

        /* LAYOUT */
        .tunnel-container {
            display: flex;
            width: 100%;
            height: 100%;
            gap: 0;
        }

        .main-content {
            flex: 1;
            padding: 2rem 2rem 2rem 2.2rem;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
        }

        .sidebar {
            width: 390px;
            background: linear-gradient(180deg, rgba(255, 249, 236, 0.96), rgba(255, 245, 220, 0.96));
            border-left: 1px solid rgba(35, 22, 14, 0.08);
            padding: 2rem 1.6rem;
            display: flex;
            flex-direction: column;
            box-shadow: -12px 0 32px rgba(35, 22, 14, 0.08);
            z-index: 10;
            backdrop-filter: blur(18px);
        }

        .main-content::before,
        .main-content::after {
            content: "";
            position: fixed;
            border-radius: 999px;
            pointer-events: none;
            z-index: 0;
            opacity: 0.8;
        }

        .main-content::before {
            width: 240px;
            height: 240px;
            top: -60px;
            left: -80px;
            background: radial-gradient(circle, rgba(200, 230, 160, 0.95), rgba(200, 230, 160, 0));
        }

        .main-content::after {
            width: 280px;
            height: 280px;
            right: 420px;
            bottom: -120px;
            background: radial-gradient(circle, rgba(255, 194, 163, 0.9), rgba(255, 194, 163, 0));
        }

        /* PROGRESS */
        .progress-bar {
            width: 100%;
            max-width: 800px;
            display: flex;
            justify-content: space-between;
            margin-bottom: 2.8rem;
            position: relative;
            padding: 1rem 1.2rem;
            background: rgba(255, 250, 240, 0.72);
            border: 1px solid rgba(35, 22, 14, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(16px);
        }

        .step-indicator {
            position: relative;
            z-index: 1;
            background: transparent;
            padding: 0 0.35rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(35, 22, 14, 0.42);
            font-weight: 700;
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .step-indicator.active {
            color: var(--secondary);
        }

        .step-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(35, 22, 14, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid rgba(35, 22, 14, 0.05);
        }

        .step-indicator.active .step-number {
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            color: var(--secondary);
        }

        /* CONTENT */
        .tunnel-step {
            width: 100%;
            max-width: 900px;
            position: relative;
            z-index: 1;
        }

        .tunnel-step > h2 {
            max-width: 11ch;
            margin-left: auto;
            margin-right: auto;
        }

        h1,
        h2 {
            font-size: clamp(2.5rem, 5vw, 4.2rem);
            margin-bottom: 0.9rem;
            text-align: center;
            letter-spacing: -0.05em;
            line-height: 0.96;
        }

        p.subtitle {
            text-align: center;
            color: var(--text-gray);
            margin: 0 auto 2.4rem;
            max-width: 640px;
            font-size: 1.02rem;
            line-height: 1.55;
        }

        /* CARDS GRID */
        .cards-grid,
        .options-grid,
        .client-type-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            width: 100%;
            max-width: 900px;
        }

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

        /* MODERN CARD DESIGN - Sans images sauf frigos */
        .selection-card,
        .option-card,
        .client-type-card,
        .pro-subtype-card,
        .prestation-card {
            background: linear-gradient(180deg, rgba(255, 251, 240, 0.95), rgba(255, 247, 227, 0.95));
            border: 1px solid rgba(35, 22, 14, 0.08);
            border-radius: 28px;
            padding: 2rem;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-align: center;
            box-shadow: var(--shadow-soft);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            min-height: 180px;
        }

        .client-type-card,
        .pro-subtype-card,
        .prestation-card {
            min-height: 220px;
            padding-top: 2.2rem;
            padding-bottom: 2.2rem;
        }

        .option-card {
            align-items: flex-start;
            justify-content: flex-start;
            text-align: left;
        }

        .pack-option,
        .duration-grid .option-card {
            min-height: 210px;
        }

        /* Effet de gradient subtil au survol */
        .selection-card::before,
        .option-card::before,
        .client-type-card::before,
        .pro-subtype-card::before,
        .prestation-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-deep), var(--primary), #ffe8a3);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .selection-card:hover::before,
        .option-card:hover::before,
        .client-type-card:hover::before,
        .pro-subtype-card:hover::before,
        .prestation-card:hover::before {
            opacity: 1;
        }

        .selection-card:hover,
        .option-card:hover,
        .client-type-card:hover,
        .pro-subtype-card:hover,
        .prestation-card:hover {
            transform: translateY(-8px) rotate(-1deg);
            box-shadow: var(--shadow-strong);
            border-color: rgba(227, 171, 71, 0.34);
        }

        .selection-card.selected,
        .option-card.selected,
        .client-type-card.selected,
        .pro-subtype-card.selected,
        .prestation-card.selected {
            border-color: rgba(227, 171, 71, 0.5);
            border-width: 2px;
            background: linear-gradient(135deg, #fff6d8 0%, #fff1c2 100%);
            box-shadow: 0 14px 34px rgba(227, 171, 71, 0.24);
        }

        .selection-card.selected::before,
        .option-card.selected::before,
        .client-type-card.selected::before,
        .pro-subtype-card.selected::before,
        .prestation-card.selected::before {
            opacity: 1;
            height: 5px;
        }

        .option-card.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            filter: grayscale(1);
        }

        .client-type-card h3,
        .pro-subtype-card h3,
        .prestation-card h3 {
            font-size: 1.45rem;
            letter-spacing: -0.03em;
        }

        .client-type-card p,
        .pro-subtype-card p,
        .prestation-card p {
            max-width: 22ch;
            margin: 0 auto;
            font-size: 0.98rem;
            line-height: 1.45;
        }

        /* ICÔNES/BADGES POUR LES CARDS SANS IMAGE */
        .client-icon,
        .card-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            background: linear-gradient(135deg, var(--primary-pastel) 0%, #fff 100%);
            border-radius: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 22px rgba(227, 171, 71, 0.18);
            position: relative;
            overflow: hidden;
        }

        .client-icon::before,
        .card-icon::before,
        .client-icon::after,
        .card-icon::after {
            content: '';
            position: absolute;
            border-radius: 999px;
        }

        .client-type-card[data-client-type="particulier"] .client-icon::before {
            width: 34px;
            height: 34px;
            background: rgba(255, 255, 255, 0.8);
            top: 14px;
            left: 14px;
        }

        .client-type-card[data-client-type="professionnel"] .client-icon::before {
            width: 42px;
            height: 12px;
            background: rgba(255, 255, 255, 0.8);
            top: 18px;
            left: 18px;
            border-radius: 10px;
        }

        .pro-subtype-card[data-pro-subtype="bureaux"] .client-icon::before {
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.82);
            top: 14px;
            left: 14px;
            border-radius: 12px;
        }

        .pro-subtype-card[data-pro-subtype="commerce"] .client-icon::before {
            width: 42px;
            height: 20px;
            background: rgba(255, 255, 255, 0.82);
            top: 18px;
            left: 18px;
            border-radius: 12px;
        }

        .pro-subtype-card[data-pro-subtype="sport"] .client-icon::before {
            width: 28px;
            height: 28px;
            background: rgba(255, 255, 255, 0.82);
            top: 16px;
            left: 16px;
        }

        .prestation-card[data-prestation="frigo"] .client-icon::before {
            width: 34px;
            height: 40px;
            background: rgba(255, 255, 255, 0.84);
            top: 12px;
            left: 16px;
            border-radius: 12px;
        }

        .prestation-card[data-prestation="recharge"] .client-icon::before {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.82);
            top: 14px;
            left: 14px;
        }

        .client-type-card .client-icon::after,
        .pro-subtype-card .client-icon::after,
        .prestation-card .client-icon::after {
            width: 18px;
            height: 18px;
            right: 12px;
            bottom: 12px;
            background: rgba(35, 22, 14, 0.12);
        }

        .client-type-card[data-client-type="particulier"] .client-icon {
            background: linear-gradient(135deg, #fff3bf 0%, #ffc9a8 100%);
        }

        .client-type-card[data-client-type="professionnel"] .client-icon {
            background: linear-gradient(135deg, #e8f089 0%, #fff2b8 100%);
        }

        .pro-subtype-card[data-pro-subtype="bureaux"] .client-icon {
            background: linear-gradient(135deg, #fff4cf 0%, #ffdba6 100%);
        }

        .pro-subtype-card[data-pro-subtype="commerce"] .client-icon {
            background: linear-gradient(135deg, #ffcdb7 0%, #fff0d5 100%);
        }

        .pro-subtype-card[data-pro-subtype="sport"] .client-icon {
            background: linear-gradient(135deg, #dff3b3 0%, #fff2bf 100%);
        }

        .prestation-card[data-prestation="frigo"] .client-icon {
            background: linear-gradient(135deg, #fff0bf 0%, #ffe08f 100%);
        }

        .prestation-card[data-prestation="recharge"] .client-icon {
            background: linear-gradient(135deg, #ffe1c8 0%, #fff2d9 100%);
        }

        /* ICON VARIANTS FOR REVIEW */
        html[data-icon-variant="none"] .client-icon,
        html[data-icon-variant="none"] .card-icon {
            display: none;
        }

        html[data-icon-variant="none"] .client-type-card,
        html[data-icon-variant="none"] .pro-subtype-card,
        html[data-icon-variant="none"] .prestation-card {
            min-height: 190px;
            padding-top: 2rem;
            padding-bottom: 2rem;
            justify-content: center;
        }

        html[data-icon-variant="none"] .client-type-card h3,
        html[data-icon-variant="none"] .pro-subtype-card h3,
        html[data-icon-variant="none"] .prestation-card h3 {
            margin-top: 0;
        }

        html[data-icon-variant="line"] .client-icon,
        html[data-icon-variant="line"] .card-icon {
            width: 68px;
            height: 68px;
            margin: 0 auto 1.35rem;
            background: rgba(255, 250, 240, 0.62);
            border: 1.5px solid rgba(35, 22, 14, 0.12);
            border-radius: 20px;
            box-shadow: none;
            overflow: visible;
        }

        html[data-icon-variant="line"] .client-icon::before,
        html[data-icon-variant="line"] .card-icon::before,
        html[data-icon-variant="line"] .client-icon::after,
        html[data-icon-variant="line"] .card-icon::after {
            content: none;
        }

        html[data-icon-variant="line"] .client-icon svg,
        html[data-icon-variant="line"] .card-icon svg {
            width: 32px;
            height: 32px;
            stroke: var(--secondary);
            fill: none;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
            opacity: 0.92;
        }

        html[data-icon-variant="line"] .client-type-card.selected .client-icon,
        html[data-icon-variant="line"] .pro-subtype-card.selected .client-icon,
        html[data-icon-variant="line"] .prestation-card.selected .client-icon {
            background: rgba(255, 250, 240, 0.92);
            border-color: rgba(35, 22, 14, 0.22);
        }

        /* IMAGES FRIGOS UNIQUEMENT */
        .option-image-container {
            height: 180px;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(255, 252, 245, 0.9) 0%, rgba(248, 241, 220, 0.95) 100%);
            border-radius: 20px;
            padding: 1rem;
            width: 100%;
        }

        .option-image-container img {
            max-height: 160px;
            max-width: 100%;
            object-fit: contain;
            filter: drop-shadow(0 10px 22px rgba(35, 22, 14, 0.14));
        }

        /* Pas d'image pour les autres cards */
        .card-img {
            display: none;
        }

        h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }

        p {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

        .option-card h3 {
            font-size: 1.45rem;
            letter-spacing: -0.03em;
        }

        .option-card p {
            font-size: 0.96rem;
            line-height: 1.5;
        }

        .price,
        .price-display {
            display: block;
            margin-top: 1rem;
            font-weight: 700;
            color: var(--primary-deep);
            font-size: 1.1rem;
        }

        .duration-grid .option-card {
            padding: 1.5rem 1.4rem;
        }

        .duration-grid .option-card p:first-of-type {
            margin-bottom: auto;
        }

        .duration-grid .price-display {
            font-size: 1.35rem;
            margin-top: 1.2rem;
        }

        .pack-option .price {
            margin-top: auto;
        }

        .recharge-option,
        #frigo-options-grid .option-card {
            background: linear-gradient(180deg, rgba(255, 250, 240, 0.96), rgba(255, 243, 214, 0.96));
        }

        .pack-option {
            overflow: hidden;
        }

        .pack-option::after {
            content: "";
            position: absolute;
            width: 140px;
            height: 140px;
            right: -36px;
            top: -30px;
            border-radius: 999px;
            opacity: 0.42;
            pointer-events: none;
        }

        .pack-option[data-pack="printemps"] {
            background: linear-gradient(180deg, #fffde7 0%, #eef5b7 100%);
        }

        .pack-option[data-pack="printemps"]::after {
            background: radial-gradient(circle, rgba(200, 230, 160, 0.9), rgba(200, 230, 160, 0));
        }

        .pack-option[data-pack="ete"] {
            background: linear-gradient(180deg, #fff2c6 0%, #ffd861 100%);
        }

        .pack-option[data-pack="ete"]::after {
            background: radial-gradient(circle, rgba(255, 214, 77, 0.95), rgba(255, 214, 77, 0));
        }

        .pack-option[data-pack="automne"] {
            background: linear-gradient(180deg, #fff1e5 0%, #ffc2a3 100%);
        }

        .pack-option[data-pack="automne"]::after {
            background: radial-gradient(circle, rgba(255, 194, 163, 0.95), rgba(255, 194, 163, 0));
        }

        .pack-option[data-pack="hiver"] {
            background: linear-gradient(180deg, #fff8e7 0%, #ffe79f 100%);
        }

        .pack-option[data-pack="hiver"]::after {
            background: radial-gradient(circle, rgba(255, 231, 159, 0.95), rgba(255, 231, 159, 0));
        }

        .pack-option h3 {
            max-width: 12ch;
        }

        .pack-option .pack-list-small {
            margin-top: 0.9rem;
            padding-left: 1rem;
            text-align: left;
            line-height: 1.5;
        }

        /* FORMS */
        .tunnel-form {
            background: rgba(255, 251, 240, 0.92);
            padding: 2rem;
            border-radius: var(--radius-lg);
            width: 100%;
            border: 1px solid rgba(35, 22, 14, 0.08);
            box-shadow: var(--shadow-soft);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(35, 22, 14, 0.68);
        }

        .form-section-title {
            font-size: 1rem;
            margin: 1.7rem 0 1rem;
            font-weight: 700;
            text-align: left;
            letter-spacing: -0.02em;
        }

        input,
        select,
        textarea {
            width: 100%;
            padding: 0.95rem 1rem;
            border: 1px solid rgba(35, 22, 14, 0.12);
            border-radius: 14px;
            font-family: inherit;
            background: rgba(255, 255, 255, 0.88);
            font-size: 0.98rem;
            color: var(--secondary);
        }

        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--primary-deep);
            box-shadow: 0 0 0 4px rgba(227, 171, 71, 0.14);
        }

        textarea {
            resize: vertical;
            min-height: 112px;
        }

        /* SIDEBAR */
        .sidebar h2 {
            font-size: 1.4rem;
            margin-bottom: 0.45rem;
            text-align: left;
            letter-spacing: -0.03em;
        }

        .sidebar-head {
            padding: 1.15rem 1.1rem 1.2rem;
            margin-bottom: 1.4rem;
            border-radius: 24px;
            background: linear-gradient(180deg, rgba(255, 242, 191, 0.9), rgba(255, 250, 236, 0.88));
            border: 1px solid rgba(35, 22, 14, 0.08);
        }

        .sidebar-kicker {
            display: inline-flex;
            margin-bottom: 0.55rem;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: rgba(35, 22, 14, 0.58);
        }

        .sidebar-note {
            margin: 0;
            font-size: 0.92rem;
            line-height: 1.5;
            color: var(--text-gray);
        }

        .summary-list {
            padding: 1.1rem 1.1rem 0.2rem;
            border-radius: 24px;
            background: rgba(255, 250, 240, 0.72);
            border: 1px solid rgba(35, 22, 14, 0.08);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
        }

        .summary-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(35, 22, 14, 0.08);
            gap: 1rem;
        }

        .summary-item span:first-child {
            color: #666;
        }

        .summary-item span:last-child {
            font-weight: 600;
            text-align: right;
            text-transform: capitalize;
            /* Capitalize values */
        }

        .total {
            margin-top: auto;
            padding-top: 2rem;
            border-top: 2px solid rgba(35, 22, 14, 0.12);
        }

        .total-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 2rem;
        }

        .btn-next {
            background: linear-gradient(135deg, var(--secondary) 0%, #2a1e13 100%);
            color: var(--white);
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s ease;
            text-align: center;
            display: block;
            text-decoration: none;
            box-shadow: 0 10px 24px rgba(62, 44, 28, 0.26);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: block;
            width: fit-content;
            min-width: 250px;
            margin: 2rem auto 0;
        }

        .btn-next:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(62, 44, 28, 0.4);
            background: linear-gradient(135deg, #2a1e13 0%, var(--secondary) 100%);
        }

        .btn-next:disabled,
        .btn-primary:disabled,
        .btn-secondary:disabled {
            opacity: 0.6;
            cursor: wait;
            transform: none;
            box-shadow: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #fff1bf 0%, #ffe39b 100%);
            color: var(--secondary);
            border: 1px solid rgba(227, 171, 71, 0.24);
            padding: 0.8rem 1.5rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s ease;
            text-align: center;
            display: block;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: block;
            width: fit-content;
            min-width: 250px;
            margin: 2rem auto 0;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, #ffe39b 0%, #ffd76f 100%);
            box-shadow: 0 10px 22px rgba(227, 171, 71, 0.15);
        }

        .btn-secondary {
            background: rgba(241, 226, 209, 0.9);
            color: var(--secondary);
            border: 1px solid rgba(62, 44, 28, 0.1);
            padding: 0.8rem 1.5rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s ease;
            text-align: center;
            display: block;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: block;
            width: fit-content;
            min-width: 250px;
            margin: 2rem auto 0;
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            background: #e7dbd0;
            box-shadow: 0 10px 22px rgba(35, 22, 14, 0.06);
        }

        .btn-primary,
        .btn-secondary,
        .btn-next {
            min-height: 54px;
        }

        /* UTILS */
        .tunnel-nav {
            display: flex;
            gap: 1rem;
            justify-content: center;
            width: 100%;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .tunnel-nav .btn-primary,
        .tunnel-nav .btn-secondary {
            margin: 0;
            /* Reset margin when in nav container */
        }

        .reservation-feedback {
            margin-top: 1rem;
            padding: 0.95rem 1rem;
            border-radius: 18px;
            font-size: 0.9rem;
            line-height: 1.5;
            border: 1px solid rgba(35, 22, 14, 0.08);
            background: rgba(255, 250, 240, 0.78);
            color: var(--secondary);
        }

        .reservation-feedback[data-tone="error"] {
            background: rgba(255, 228, 220, 0.92);
            border-color: rgba(183, 76, 48, 0.18);
            color: #7f2e1b;
        }

        .reservation-feedback[data-tone="success"] {
            background: rgba(233, 244, 214, 0.95);
            border-color: rgba(105, 140, 61, 0.22);
            color: #405a18;
        }

        .reservation-feedback[data-tone="info"] {
            background: rgba(255, 248, 222, 0.95);
            border-color: rgba(227, 171, 71, 0.24);
            color: #6c4e11;
        }

        .hidden {
            display: none !important;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Specific tweaks for existing elements */
        .pack-list-small {
            list-style: none;
            font-size: 0.8rem;
            margin-top: 0.5rem;
        }

        .pack-availability-badge {
            font-size: 0.75rem;
            background: rgba(35, 22, 14, 0.06);
            padding: 0.32rem 0.72rem;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 0.5rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .summary-card {
            display: grid;
            gap: 1.25rem;
            margin-bottom: 2rem;
            padding: 1.4rem;
            border-radius: 28px;
            background: rgba(255, 250, 240, 0.78);
            border: 1px solid rgba(227, 171, 71, 0.24);
            box-shadow: var(--shadow-soft);
        }

        .summary-card strong {
            color: var(--secondary);
        }

        .summary-card__block {
            padding: 1.1rem 1.15rem;
            border-radius: 22px;
            background: rgba(255, 255, 255, 0.52);
            border: 1px solid rgba(35, 22, 14, 0.07);
        }

        .summary-card__block h3 {
            margin-bottom: 0.9rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid rgba(35, 22, 14, 0.08);
        }

        .summary-card__block p {
            margin-bottom: 0.65rem;
            line-height: 1.55;
        }

        .summary-card__block p:last-child {
            margin-bottom: 0;
        }

        /* TUNNEL HEADER */
        .tunnel-header {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding: 1rem 1.2rem 1.3rem;
            border-bottom: 1px solid rgba(62, 44, 28, 0.1);
            background: rgba(255, 250, 240, 0.72);
            border-radius: 24px;
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(16px);
        }

        .tunnel-logo img {
            height: 40px;
            width: auto;
        }

        .back-home {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: opacity 0.2s;
        }

        .back-home:hover {
            opacity: 0.7;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .main-content {
                padding: 2rem;
            }

            .sidebar {
                width: 340px;
            }

            .client-type-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 900px) {
            body {
                height: auto;
                display: block;
                overflow: auto;
            }

            .tunnel-container {
                height: auto;
                flex-direction: column;
            }

            .main-content {
                padding: 1.5rem;
                overflow: visible;
            }

            .sidebar {
                width: 100%;
                border-left: none;
                border-top: 1px solid var(--border);
                box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.04);
            }

            .progress-bar {
                flex-wrap: wrap;
                gap: 1rem;
                justify-content: center;
                margin-bottom: 2rem;
            }

            .progress-bar::before {
                display: none;
            }

            h1,
            h2 {
                font-size: 2rem;
            }

            p.subtitle {
                margin-bottom: 2rem;
            }

            .option-image-container {
                height: 160px;
            }

            .tunnel-step > h2 {
                max-width: none;
            }
        }

        @media (max-width: 600px) {
            .main-content {
                padding: 1.25rem;
            }

            .sidebar {
                padding: 1.25rem;
            }

            .sidebar-head,
            .summary-list,
            .summary-card {
                border-radius: 20px;
            }

            .btn-next,
            .btn-primary,
            .btn-secondary {
                width: 100%;
                min-width: 0;
            }

            .selection-card,
            .option-card,
            .client-type-card,
            .pro-subtype-card,
            .prestation-card {
                padding: 1.5rem;
                min-height: 160px;
            }

            .client-type-card,
            .pro-subtype-card,
            .prestation-card,
            .pack-option,
            .duration-grid .option-card {
                min-height: 0;
            }

            .client-icon,
            .card-icon {
                width: 64px;
                height: 64px;
                margin-bottom: 1rem;
                font-size: 1.6rem;
            }

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

            .total-row {
                font-size: 1.25rem;
            }
        }
