```css
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Montserrat:wght@400;500;600&display=swap');

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

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    font-family: 'Montserrat', sans-serif;
    color: #382d32;
    overflow-x: hidden;
}

.container {
    width: 100%;
    min-height: 100vh;
}

.screen {
    display: none;
    min-height: 100vh;
    padding: 55px 20px;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.screen.active {
    display: flex;
}


/* =========================================
   PRÉSENTATION
========================================= */

.theme-presentation {
    background:
        radial-gradient(circle at 10% 15%, rgba(255,255,255,0.85), transparent 28%),
        radial-gradient(circle at 90% 80%, rgba(255,210,220,0.75), transparent 30%),
        linear-gradient(135deg, #fff4f5, #f9e4e9);
}


/* =========================================
   PASSÉ
========================================= */

.theme-passe {
    background:
        radial-gradient(circle at 85% 15%, rgba(255,225,205,0.85), transparent 32%),
        radial-gradient(circle at 10% 85%, rgba(255,205,190,0.55), transparent 30%),
        linear-gradient(135deg, #fff1e8, #f7dcd1);
}


/* =========================================
   PRÉSENT
========================================= */

.theme-present {
    background:
        radial-gradient(circle at 15% 15%, rgba(220,255,250,0.9), transparent 30%),
        radial-gradient(circle at 85% 85%, rgba(255,240,190,0.75), transparent 32%),
        linear-gradient(135deg, #e8f8f5, #d5eeea);
}


/* =========================================
   FUTUR
========================================= */

.theme-futur {
    background:
        radial-gradient(circle at 50% 10%, rgba(235,225,255,0.95), transparent 34%),
        radial-gradient(circle at 10% 85%, rgba(215,225,255,0.8), transparent 30%),
        linear-gradient(135deg, #eeeaff, #dddafa);
}


/* =========================================
   RÉSULTAT
========================================= */

.theme-resultat {
    background:
        radial-gradient(circle at 50% 10%, rgba(255,225,235,0.9), transparent 35%),
        radial-gradient(circle at 10% 85%, rgba(255,235,215,0.7), transparent 30%),
        linear-gradient(135deg, #fff1f5, #f5e2e9);
}


/* =========================================
   CARTES
========================================= */

.card,
.question-card,
.transition-card,
.result-card {
    width: min(720px, 100%);
    background: rgba(255, 255, 255, 0.88);
    border: 2px solid rgba(255, 255, 255, 0.95);
    box-shadow:
        0 25px 70px rgba(105, 70, 80, 0.16),
        0 5px 20px rgba(105, 70, 80, 0.08);
    border-radius: 28px;
    padding: 48px;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(8px);
}

.theme-present .question-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(120, 190, 180, 0.45);
}

.theme-futur .question-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(150, 135, 215, 0.45);
}


/* =========================================
   TEXTES
========================================= */

.small-title {
    font-size: 11px;
    letter-spacing: 4px;
    color: #a85670;
    font-weight: 600;
    margin-bottom: 18px;
}

.theme-present .small-title {
    color: #278276;
}

.theme-futur .small-title {
    color: #6859a9;
}

h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(42px, 7vw, 68px);
    line-height: 0.95;
    color: #3b2c33;
    font-weight: 600;
    margin-bottom: 28px;
}

.intro {
    color: #66565d;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 32px;
}


/* =========================================
   FORMULAIRE
========================================= */

.form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

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

.field label {
    font-size: 12px;
    color: #9b5269;
    letter-spacing: 1px;
    font-weight: 600;
}

.field input,
textarea {
    width: 100%;
    border: 2px solid #ead5dc;
    background: rgba(255,255,255,0.8);
    color: #3b3035;
    border-radius: 14px;
    padding: 14px;
    font-family: 'Montserrat', sans-serif;
    outline: none;
    transition: 0.25s;
}

.field input::placeholder,
textarea::placeholder {
    color: #aa999f;
}

.field input:focus,
textarea:focus {
    border-color: #d27c96;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(210,124,150,0.12);
}

textarea {
    resize: vertical;
    min-height: 170px;
    line-height: 1.7;
    margin: 25px 0;
}


/* =========================================
   BOUTONS
========================================= */

.main-button {
    border: none;
    border-radius: 50px;
    padding: 16px 28px;
    background: #d97894;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: 0.25s;
    font-size: 14px;
    box-shadow: 0 8px 20px rgba(180, 85, 115, 0.18);
}

.main-button span {
    margin-left: 12px;
    font-size: 18px;
}

.main-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(180, 85, 115, 0.28);
}

.main-button:active {
    transform: translateY(0);
}

.theme-present .main-button {
    background: #3fa497;
    box-shadow: 0 8px 20px rgba(45, 130, 120, 0.18);
}

.theme-present .main-button:hover {
    box-shadow: 0 12px 28px rgba(45, 130, 120, 0.28);
}

.theme-futur .main-button {
    background: #8172c2;
    box-shadow: 0 8px 20px rgba(100, 85, 165, 0.18);
}

.theme-futur .main-button:hover {
    box-shadow: 0 12px 28px rgba(100, 85, 165, 0.28);
}


/* =========================================
   DÉCORATIONS
========================================= */

.decor {
    position: absolute;
    z-index: 1;
    pointer-events: none;
}

.heart {
    color: rgba(205, 76, 112, 0.72);
    font-size: 70px;
    text-shadow: 0 8px 20px rgba(170, 70, 100, 0.15);
}

.heart-1 {
    top: 11%;
    left: 9%;
    transform: rotate(-15deg);
}

.heart-2 {
    bottom: 13%;
    right: 9%;
    transform: rotate(15deg);
    font-size: 52px;
    color: rgba(205, 76, 112, 0.58);
}

.stars {
    position: absolute;
    top: 12%;
    right: 13%;
    font-size: 48px;
    color: rgba(105, 87, 175, 0.65);
    text-shadow: 0 5px 15px rgba(105, 87, 175, 0.15);
    z-index: 1;
}


/* =========================================
   HAUT
========================================= */

.top-line {
    width: min(720px, calc(100% - 40px));
    display: flex;
    justify-content: space-between;
    position: absolute;
    top: 30px;
    color: #a85670;
    font-size: 11px;
    letter-spacing: 3px;
    font-weight: 600;
    z-index: 3;
}

.theme-present .top-line {
    color: #278276;
}

.theme-futur .top-line {
    color: #6859a9;
}


/* =========================================
   PROGRESSION
========================================= */

.progress {
    width: min(720px, calc(100% - 40px));
    height: 5px;
    background: rgba(70, 55, 65, 0.12);
    position: absolute;
    top: 57px;
    border-radius: 5px;
    overflow: hidden;
    z-index: 3;
}

.progress-bar {
    width: 20%;
    height: 100%;
    background: #d97894;
    border-radius: 5px;
    transition: width 0.4s ease;
}

.theme-present .progress-bar {
    background: #3fa497;
}

.theme-futur .progress-bar {
    background: #8172c2;
}


/* =========================================
   QUESTIONS
========================================= */

.question-card {
    margin-top: 55px;
}

.question-number {
    color: #b0526e;
    font-size: 12px;
    letter-spacing: 3px;
    margin-bottom: 22px;
    font-weight: 600;
}

.theme-present .question-number {
    color: #278276;
}

.theme-futur .question-number {
    color: #6859a9;
}

.question-card h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(30px, 5vw, 44px);
    line-height: 1.1;
    font-weight: 600;
    color: #3b3035;
}

.question-help {
    color: #806d75;
    font-size: 12px;
    margin-top: 12px;
}


/* =========================================
   TRANSITION
========================================= */

.transition-card {
    text-align: center;
}

.transition-symbol {
    font-size: 58px;
    color: #d05f80;
    margin-bottom: 20px;
    text-shadow: 0 5px 15px rgba(190, 70, 105, 0.15);
}

.transition-card h1 {
    font-size: clamp(38px, 6vw, 58px);
}

.transition-card p {
    color: #6d5c63;
    line-height: 1.8;
    margin-bottom: 30px;
}


/* =========================================
   HISTOIRE FINALE
========================================= */

.result-card {
    text-align: center;
}

.result-card h1 {
    font-size: clamp(38px, 6vw, 58px);
}

.story {
    text-align: left;
    color: #594a51;
    line-height: 1.9;
    font-size: 15px;
}

.story p {
    margin-bottom: 20px;
}

.result-separator {
    width: 70px;
    height: 2px;
    background: #d97894;
    margin: 30px auto;
    border-radius: 2px;
}

.result-info {
    color: #806d75;
    font-size: 12px;
    margin-bottom: 25px;
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 600px) {

    .screen {
        min-height: 100svh;
        padding: 75px 14px 30px;
        align-items: center;
    }

    .card,
    .question-card,
    .transition-card,
    .result-card {
        width: 100%;
        padding: 28px 20px;
        border-radius: 22px;
    }

    h1 {
        font-size: clamp(39px, 13vw, 55px);
        margin-bottom: 22px;
    }

    .intro {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 25px;
    }

    .form {
        grid-template-columns: 1fr;
        gap: 13px;
        margin-bottom: 24px;
    }

    .field input,
    textarea {
        font-size: 16px;
        padding: 14px;
    }

    textarea {
        min-height: 180px;
        margin: 20px 0;
    }

    .main-button {
        width: 100%;
        min-height: 50px;
        padding: 14px 20px;
        font-size: 14px;
    }

    .top-line {
        width: calc(100% - 28px);
        top: 22px;
        font-size: 8px;
        letter-spacing: 2px;
    }

    .progress {
        width: calc(100% - 28px);
        top: 48px;
        height: 5px;
    }

    .question-card {
        margin-top: 20px;
    }

    .question-number {
        font-size: 11px;
        margin-bottom: 17px;
    }

    .question-card h2 {
        font-size: clamp(28px, 8vw, 38px);
        line-height: 1.12;
    }

    .question-help {
        font-size: 11px;
        line-height: 1.5;
    }

    .heart {
        font-size: 55px;
    }

    .heart-1 {
        top: 8%;
        left: 3%;
    }

    .heart-2 {
        bottom: 7%;
        right: 3%;
        font-size: 43px;
    }

    .stars {
        top: 8%;
        right: 7%;
        font-size: 38px;
    }

    .transition-card h1 {
        font-size: clamp(34px, 10vw, 48px);
    }

    .result-card h1 {
        font-size: clamp(34px, 10vw, 48px);
    }

    .story {
        font-size: 14px;
        line-height: 1.8;
    }
}
```