/* FONTS PERSONALITZADES */
@font-face {
  font-family: 'ClarendonLTStd-Bold';
  src: url('../fonts/Claredon_bold/ClarendonLTStd-Bold.woff2') format('woff2');
}
@font-face {
  font-family: 'ClarendonLTStd';
  src: url('../fonts/Claredon_regular/ClarendonLTStd.woff2') format('woff2');
}
@font-face {
  font-family: 'Pitch';
  src: url('../fonts/Pitch_normal/Pitch.woff2') format('woff2');
}

:root {
    --color-bg: #f7f6f2;
    --color-surface: #ffffff;
    --color-text: #1d1d1b;
    --color-muted: #615d57;
    --color-primary: #7d1d1d;
    --color-primary-dark: #5f1414;
    --color-border: #ddd3c2;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

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

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 40px;
}

.logo {
    display: block;
    width: min(290px, 45vw);
    height: auto;
}

.language-switcher {
    display: flex;
    gap: 8px;
    align-items: center;
}

.language-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    min-height: 44px;
    padding: 10px 14px;
    border: 2px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text);
    background: var(--color-surface);
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
}

.language-link.is-active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #ffffff;
}

.app-main {
    flex: 1;
    display: grid;
    place-items: center;
    padding: 24px 40px 56px;
    padding: 0px 40px;
}

.screen {
    display: none;
    width: min(1100px, 100%);
}

.screen.is-active {
    display: block;
}

.screen-content {
    width: 100%;
    min-height: 560px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 54px;
    border-radius: 32px;
    background: var(--color-surface);
    box-shadow: var(--shadow);
    text-align: center;
}

h1,
h2 {
    font-family: 'ClarendonLTStd-Bold', serif;
    margin: 0 0 10px;
    font-size: clamp(42px, 6vw, 42px);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.lead {
    font-family: 'Pitch', sans-serif;
    max-width: 880px;
    margin: 0 auto 22px;
    color: var(--color-muted);
    font-size: clamp(28px, 3.2vw, 30px);
    line-height: 1.24;
}

.rating-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.rating-button,
.choice-button {
    cursor: pointer;
    border: 3px solid var(--color-border);
    background: #fffaf2;
    color: var(--color-text);
    border-radius: 28px;
    font-weight: 800;
    transition: transform 0.14s ease, border-color 0.14s ease, background-color 0.14s ease;
}

.rating-button {
    min-height: 230px;
    padding: 18px;
    font-size: clamp(22px, 2.5vw, 32px);
}

.rating-button:active,
.choice-button:active {
    transform: scale(0.97);
}

.rating-button:hover,
.rating-button:focus-visible,
.choice-button:hover,
.choice-button:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    background: #fff3df;
}

.rating-button:disabled {
    opacity: 0.6;
    cursor: wait;
}

.face {
    display: block;
    margin-bottom: 18px;
    font-size: clamp(70px, 8vw, 112px);
    line-height: 1;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 360px));
    justify-content: center;
    gap: 28px;
}

.choice-button {
    min-height: 150px;
    padding: 24px 34px;
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
    font-size: clamp(36px, 5vw, 64px);
}

.choice-button:hover,
.choice-button:focus-visible {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.choice-button-secondary {
    background: #ffffff;
    color: var(--color-primary);
}

.choice-button-secondary:hover,
.choice-button-secondary:focus-visible {
    background: #fff3df;
    color: var(--color-primary-dark);
}

.status-message {
    min-height: 28px;
    margin: 28px 0 0;
    color: var(--color-muted);
    font-size: 22px;
    font-weight: 700;
}

.status-message.is-error {
    color: #b00020;
}

@media (max-width: 900px) {
    .app-header {
        padding: 20px;
    }

    .app-main {
        padding: 16px 20px 36px;
    }

    .screen-content {
        min-height: 560px;
        padding: 34px 24px;
    }

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

    .rating-button {
        min-height: 180px;
    }
}

@media (max-width: 640px) {
    .app-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .logo {
        width: min(260px, 80vw);
    }

    .language-switcher {
        width: 100%;
        justify-content: center;
    }

    .rating-grid,
    .choice-grid {
        grid-template-columns: 1fr;
    }
}


/* ENQUESTA DETALLADA */
.survey-content {
    justify-content: flex-start;
    gap: 22px;
}

.survey-progress {
    width: 100%;
    margin: 0 0 10px;
    color: var(--color-muted);
    font-family: 'Pitch', sans-serif;
    font-size: clamp(18px, 2vw, 26px);
    text-align: left;
}

.survey-progress-bar {
    width: 100%;
    height: 14px;
    margin-top: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: #eee8dc;
}

.survey-progress-bar span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--color-primary);
    transition: width 0.2s ease;
}

#survey-question {
    margin-top: 18px;
    margin-bottom: 24px;
    font-size: clamp(34px, 4.8vw, 62px);
}

.survey-answer-area {
    width: 100%;
}

.answer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 18px;
}

.answer-grid-faces {
    grid-template-columns: repeat(4, minmax(140px, 1fr));
}

.answer-grid-faces .answer-button {
    min-height: 175px;
}

.answer-button {
    min-height: 112px;
    padding: 20px 18px;
    border: 3px solid var(--color-border);
    border-radius: 24px;
    background: #fffaf2;
    color: var(--color-text);
    font-family: 'Roboto', Arial, sans-serif;
    font-size: clamp(20px, 2.2vw, 32px);
    font-weight: 700;
    line-height: 1.18;
    cursor: pointer;
}

.answer-button:hover,
.answer-button:focus-visible,
.answer-button.is-selected {
    outline: none;
    border-color: var(--color-primary);
    background: #fff3df;
}

.answer-button.is-selected {
    box-shadow: inset 0 0 0 4px rgba(125, 29, 29, 0.14);
}

.answer-face {
    margin-bottom: 10px;
    font-size: clamp(46px, 5vw, 78px);
}

.textarea-wrap {
    width: 100%;
}

#survey-textarea {
    width: 100%;
    min-height: 220px;
    padding: 24px;
    border: 3px solid var(--color-border);
    border-radius: 24px;
    color: var(--color-text);
    background: #fffaf2;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: clamp(24px, 2.5vw, 34px);
    line-height: 1.35;
    resize: none;
}

#survey-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.textarea-counter {
    margin-top: 10px;
    color: var(--color-muted);
    font-size: 20px;
    text-align: right;
}

.survey-error {
    min-height: 28px;
    margin: 8px 0 0;
    color: #b00020;
    font-size: 22px;
    font-weight: 700;
}

.survey-actions {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: auto;
    padding-top: 22px;
}

.nav-button {
    min-width: 210px;
    min-height: 82px;
    padding: 18px 28px;
    border: 3px solid var(--color-primary);
    border-radius: 999px;
    background: var(--color-primary);
    color: #ffffff;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: clamp(24px, 2.6vw, 36px);
    font-weight: 800;
    cursor: pointer;
}

.nav-button:hover,
.nav-button:focus-visible {
    outline: none;
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.nav-button-secondary {
    background: #ffffff;
    color: var(--color-primary);
}

.nav-button-secondary:hover,
.nav-button-secondary:focus-visible {
    background: #fff3df;
    color: var(--color-primary-dark);
}

.nav-button:disabled {
    opacity: 0.6;
    cursor: wait;
}

@media (max-width: 900px) {
    .answer-grid,
    .answer-grid-faces {
        grid-template-columns: repeat(2, 1fr);
    }

    .answer-grid-faces .answer-button {
        min-height: 150px;
    }

    .survey-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .answer-grid,
    .answer-grid-faces {
        grid-template-columns: 1fr;
    }

    .nav-button {
        width: 100%;
    }
}