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

        :root {
            --navy: #1A2B3C;
            --navy-soft: #284357;
            --teal: #4CB5AE;
            --teal-dark: #2B8C85;
            --teal-light: #E7F6F4;
            --coral: #F2A09A;
            --coral-light: #FDF5F4;
            --cream: #FFF9F5;
            --paper: rgba(255, 255, 255, 0.96);
            --mist: #F4F7FA;
            --line: #DDE5ED;
            --ink: #243646;
            --muted: #5C6E7E;
            --success: #15796F;
            --error: #B42318;
            --shadow-sm: 0 4px 16px rgba(21, 40, 58, 0.06);
            --shadow: 0 24px 64px rgba(21, 40, 58, 0.10);
            --shadow-lg: 0 32px 80px rgba(21, 40, 58, 0.14);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--ink);
            line-height: 1.6;
            background: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1, h2, h3 {
            font-family: 'DM Serif Display', Georgia, serif;
            font-weight: 400;
            letter-spacing: -0.02em;
        }

        a {
            color: inherit;
        }

        .container {
            width: min(880px, calc(100% - 40px));
            margin: 0 auto;
        }

        /* ============================================
           HERO BANNER
        ============================================ */
        .demo-hero {
            background: var(--teal);
            padding: 140px 20px 80px;
            position: relative;
            overflow: hidden;
        }

        .demo-hero-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
        }

        .demo-hero-bg::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background:
                radial-gradient(ellipse at 20% 80%, rgba(242, 160, 154, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 40% 40%, rgba(58, 154, 148, 0.12) 0%, transparent 50%);
            animation: meshMove 25s ease-in-out infinite;
        }

        @keyframes meshMove {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(2%, 2%) rotate(1deg); }
            50% { transform: translate(-1%, 3%) rotate(-1deg); }
            75% { transform: translate(-2%, -1%) rotate(0.5deg); }
        }

        .demo-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .demo-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            color: #FFFFFF;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 24px;
            opacity: 0;
            animation: fadeUp 0.6s ease forwards 0.1s;
        }

        .demo-hero-badge svg {
            width: 16px;
            height: 16px;
        }

        .demo-hero h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            line-height: 1.12;
            color: #FFFFFF;
            margin-bottom: 16px;
            opacity: 0;
            animation: fadeUp 0.7s ease forwards 0.2s;
        }

        .demo-hero p {
            font-size: clamp(1rem, 2vw, 1.15rem);
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
            margin: 0 auto 28px;
            opacity: 0;
            animation: fadeUp 0.7s ease forwards 0.35s;
        }

        .demo-hero-chips {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            opacity: 0;
            animation: fadeUp 0.7s ease forwards 0.5s;
        }

        .demo-hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            color: rgba(255, 255, 255, 0.92);
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
        }

        .demo-hero-chip svg {
            width: 14px;
            height: 14px;
            stroke: var(--coral);
            fill: none;
            stroke-width: 2.5;
            flex-shrink: 0;
        }

        @keyframes fadeUp {
            to { opacity: 1; transform: translateY(0); }
        }

        .demo-hero-badge,
        .demo-hero h1,
        .demo-hero p,
        .demo-hero-chips {
            transform: translateY(20px);
        }

        /* Wave divider */
        .demo-hero-wave {
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            z-index: 2;
        }

        .demo-hero-wave svg {
            display: block;
            width: 100%;
            height: auto;
        }

        /* ============================================
           FORM AREA
        ============================================ */
        .demo-form-area {
            padding: 0 0 80px;
            background: linear-gradient(180deg, #f8fbfc 0%, #FFFFFF 30%);
        }

        /* ============================================
           PROGRESS BAR
        ============================================ */
        .progress-wrap {
            padding: 32px 0 0;
            margin-bottom: 32px;
        }

        .progress-bar-outer {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .progress-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--muted);
            white-space: nowrap;
        }

        .progress-label span {
            color: var(--teal-dark);
        }

        .progress-track {
            flex: 1;
            height: 6px;
            background: #E8EEF4;
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, var(--teal) 0%, var(--teal-dark) 100%);
            border-radius: 999px;
            transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ============================================
           CARDS
        ============================================ */
        .questionnaire-card,
        .confirmation-card {
            background: var(--paper);
            border: 1px solid rgba(221, 229, 237, 0.5);
            border-radius: 24px;
            box-shadow: var(--shadow);
        }

        .questionnaire-card {
            padding: 8px;
        }

        /* ============================================
           SECTION BLOCKS
        ============================================ */
        .section-block {
            border: 1px solid transparent;
            border-radius: 20px;
            padding: 28px 26px;
            margin-bottom: 8px;
            background: #FFFFFF;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .section-block:last-child {
            margin-bottom: 0;
        }

        .section-block:hover {
            border-color: #E6EDF3;
        }

        .section-block.active-section {
            border-color: rgba(76, 181, 174, 0.2);
            box-shadow: 0 8px 32px rgba(76, 181, 174, 0.06);
        }

        .section-head {
            display: flex;
            align-items: start;
            gap: 16px;
            margin-bottom: 22px;
            padding-bottom: 16px;
            border-bottom: 1px solid #EEF2F7;
        }

        .section-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            transition: transform 0.3s ease;
        }

        .section-block:hover .section-icon,
        .section-block.active-section .section-icon {
            transform: scale(1.05);
        }

        .section-icon svg {
            width: 22px;
            height: 22px;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
            fill: none;
        }

        .section-icon.icon-contact {
            background: linear-gradient(135deg, #E8F6F5, #D0EDEB);
        }

        .section-icon.icon-contact svg {
            stroke: var(--teal-dark);
        }

        .section-icon.icon-provider {
            background: linear-gradient(135deg, #FDF5F4, #FAE6E4);
        }

        .section-icon.icon-provider svg {
            stroke: #D4756D;
        }

        .section-icon.icon-practice {
            background: linear-gradient(135deg, #EEF0FB, #DDE2F7);
        }

        .section-icon.icon-practice svg {
            stroke: #5B6ABF;
        }

        .section-icon.icon-workflow {
            background: linear-gradient(135deg, #FFF5E6, #FDEACC);
        }

        .section-icon.icon-workflow svg {
            stroke: #C48A2A;
        }

        .section-icon.icon-submit {
            background: linear-gradient(135deg, #E8F6F5, #D0EDEB);
        }

        .section-icon.icon-submit svg {
            stroke: var(--teal-dark);
        }

        .section-head-text h2 {
            color: var(--navy);
            font-size: 1.4rem;
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .section-head-text p {
            color: var(--muted);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* ============================================
           FORM FIELDS
        ============================================ */
        .row {
            display: grid;
            gap: 16px;
            margin-bottom: 18px;
        }

        .row:last-child {
            margin-bottom: 0;
        }

        .row.two {
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        }

        .field-group {
            position: relative;
        }

        label {
            display: block;
            margin-bottom: 7px;
            color: var(--navy-soft);
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.07em;
        }

        input[type="text"],
        input[type="email"],
        input[type="number"],
        input[type="date"] {
            width: 100%;
            border: 1.5px solid #D5DCE6;
            border-radius: 12px;
            padding: 13px 16px;
            font-size: 0.95rem;
            outline: none;
            background: #FAFBFC;
            font-family: inherit;
            color: var(--ink);
            transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        input[type="text"]:hover,
        input[type="email"]:hover,
        input[type="number"]:hover,
        input[type="date"]:hover {
            border-color: #B8C4D1;
            background: #FFFFFF;
        }

        input:focus {
            border-color: var(--teal);
            box-shadow: 0 0 0 3px rgba(76, 181, 174, 0.1);
            background: #FFFFFF;
        }

        input[aria-invalid="true"] {
            border-color: var(--error);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
        }

        input::placeholder {
            color: #A8B5C2;
        }

        /* ============================================
           CHOICE CARDS
        ============================================ */
        .choice-grid {
            display: grid;
            gap: 10px;
        }

        .choice-grid.two {
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        }

        .choice-grid.three {
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        }

        .choice-card {
            position: relative;
            display: block;
            cursor: pointer;
        }

        .choice-card input {
            position: absolute;
            opacity: 0;
            inset: 0;
            pointer-events: none;
        }

        .choice-body {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            border: 1.5px solid #DEE5ED;
            border-radius: 14px;
            background: #FAFBFC;
            padding: 14px 16px;
            transition: all 0.2s ease;
        }

        .choice-body:hover {
            border-color: #C5CDD8;
            background: #FFFFFF;
        }

        .choice-check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 2px solid #CDD5DF;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }

        .choice-check svg {
            width: 12px;
            height: 12px;
            stroke: #FFFFFF;
            stroke-width: 3;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
            opacity: 0;
            transform: scale(0.5);
            transition: all 0.2s ease;
        }

        .choice-body strong {
            display: block;
            font-size: 0.93rem;
            color: var(--navy);
        }

        .choice-body small {
            display: block;
            font-size: 0.8rem;
            color: var(--muted);
            line-height: 1.45;
        }

        .choice-card input:checked + .choice-body {
            border-color: var(--teal);
            background: #F4FCFB;
            box-shadow: 0 0 0 3px rgba(76, 181, 174, 0.08);
        }

        .choice-card input:checked + .choice-body .choice-check {
            background: var(--teal);
            border-color: var(--teal);
        }

        .choice-card input:checked + .choice-body .choice-check svg {
            opacity: 1;
            transform: scale(1);
        }

        /* ============================================
           BUTTONS
        ============================================ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: none;
            border-radius: 14px;
            font: inherit;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            width: 100%;
            padding: 17px 24px;
            font-size: 1.02rem;
            background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(76, 181, 174, 0.25);
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(76, 181, 174, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:disabled {
            opacity: 0.7;
            cursor: wait;
            transform: none;
            box-shadow: 0 8px 20px rgba(76, 181, 174, 0.15);
        }

        .btn-primary svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
            transition: transform 0.3s;
        }

        .btn-primary:hover svg {
            transform: translateX(3px);
        }

        /* ============================================
           STATUS & HELPERS
        ============================================ */
        .field-note,
        .status-strip {
            min-height: 22px;
            font-size: 0.88rem;
            color: var(--muted);
        }

        .field-note.error,
        .status-strip.error {
            color: var(--error);
        }

        .field-note.success,
        .status-strip.success {
            color: var(--success);
        }

        .form-hint,
        .privacy-note {
            color: var(--muted);
            font-size: 0.85rem;
        }

        .privacy-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .privacy-note svg {
            width: 14px;
            height: 14px;
            stroke: var(--muted);
            fill: none;
            stroke-width: 2;
            flex-shrink: 0;
        }

        .privacy-note a {
            color: var(--teal-dark);
            font-weight: 600;
            text-decoration: none;
        }

        .privacy-note a:hover {
            text-decoration: underline;
        }

        .honeypot,
        .hidden {
            display: none !important;
        }

        /* ============================================
           CONFIRMATION
        ============================================ */
        .confirmation-card {
            display: none;
            padding: 56px 30px;
            margin-top: 120px;
            text-align: center;
        }

        .confirmation-card.active {
            display: block;
            animation: confirmIn 0.6s ease forwards;
        }

        @keyframes confirmIn {
            from {
                opacity: 0;
                transform: translateY(20px) scale(0.98);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .confirmation-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 24px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--teal-light), #D0EDEB);
            position: relative;
        }

        .confirmation-icon::before {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(76, 181, 174, 0.15);
            animation: confirmPulse 2s ease-in-out infinite;
        }

        @keyframes confirmPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.08); opacity: 0.5; }
        }

        .confirmation-icon svg {
            width: 36px;
            height: 36px;
            fill: none;
            stroke: var(--teal-dark);
            stroke-width: 2.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .confirmation-card h2 {
            color: var(--navy);
            font-size: clamp(1.8rem, 4vw, 2.4rem);
            margin-bottom: 12px;
        }

        .confirmation-card p {
            color: var(--muted);
            font-size: 1.02rem;
            margin-bottom: 8px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        .confirmation-card .next-steps {
            display: inline-flex;
            flex-direction: column;
            gap: 12px;
            text-align: left;
            margin-top: 28px;
            padding: 24px 28px;
            background: var(--mist);
            border-radius: 16px;
        }

        .confirmation-card .next-step {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--ink);
        }

        .next-step-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--teal-light);
            color: var(--teal-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ============================================
           RESPONSIVE
        ============================================ */
        @media (max-width: 760px) {
            .demo-hero {
                padding: 120px 20px 60px;
            }

            .container {
                width: min(100% - 24px, 880px);
            }

            .questionnaire-card,
            .confirmation-card,
            .section-block {
                border-radius: 18px;
            }

            .questionnaire-card {
                padding: 6px;
            }

            .section-block {
                padding: 20px 16px;
            }

            .section-icon {
                width: 38px;
                height: 38px;
                border-radius: 12px;
            }

            .section-icon svg {
                width: 18px;
                height: 18px;
            }

            .section-head-text h2 {
                font-size: 1.2rem;
            }

            .progress-bar-outer {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .demo-hero-chips {
                gap: 8px;
            }

            .demo-hero-chip {
                font-size: 0.76rem;
                padding: 6px 12px;
            }
        }