:root {
    --theme-green: #3F7A6A;
    --theme-green-dark: #316053;
    --theme-gold: #E5A823;
    --bg-cream: #FCFBF7;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --border-light: #E2E8F0;
    --page-bg: #F6F8F7;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text-dark);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .font-heading, .btn {
    font-family: 'Poppins', sans-serif;
}

.survey-shell {
    max-width: 510px;
}

.brand-logo {
    width: 68px;
    height: 68px;
    margin: 0 auto 15px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    color: #fff;
}

    .brand-logo i {
        font-size: 2rem;
    }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--theme-green);
    background: rgba(63,122,106,.09);
    padding: 6px 11px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.intro-title {
    font-size: clamp(1.65rem, 6vw, 1.95rem);
    letter-spacing: -.045em;
    line-height: 1.2;
}

.muted {
    color: var(--text-muted);
}

.rating-card, .detail-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(15,23,42,.035);
}

.rating-card {
    background: var(--bg-cream);
    border: 1px solid #F0EDE4;
    padding: 24px 20px 19px;
    position: relative;
}

    .rating-card:before {
        content: '';
        position: absolute;
        height: 3px;
        top: 0;
        left: 24%;
        right: 24%;
        background: linear-gradient(90deg, transparent, var(--theme-gold), transparent);
        opacity: .75;
    }

.detail-card {
    border: 1px solid var(--border-light);
    background: #fff;
    padding: 17px 17px 15px;
}

.section-title {
    font-size: 1.08rem;
    letter-spacing: -.025em;
}

.category-icon {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: rgba(63,122,106,.10);
    color: var(--theme-green);
    font-size: 1.1rem;
}

.category-name {
    font-size: .94rem;
    font-weight: 700;
}

.category-hint {
    font-size: .76rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.stars {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(4px, 2vw, 10px);
}

.star-btn {
    border: 0;
    background: transparent;
    color: var(--theme-gold);
    padding: 2px;
    line-height: 1;
    border-radius: 8px;
    transition: transform .15s ease, background .15s ease;
}

    .star-btn:hover {
        transform: scale(1.14);
    }

    .star-btn:focus-visible {
        outline: 3px solid rgba(63,122,106,.25);
        outline-offset: 2px;
    }

    .star-btn svg {
        display: block;
        width: 28px;
        height: 28px;
        fill: transparent;
        stroke: currentColor;
        stroke-width: 1.7;
    }

.stars-large .star-btn svg {
    width: clamp(34px, 9vw, 42px);
    height: clamp(34px, 9vw, 42px);
}

.star-btn.is-active svg, .star-btn.is-preview svg {
    fill: currentColor;
}

.rating-status {
    min-height: 20px;
    font-size: .82rem;
    color: var(--theme-green);
    font-weight: 600;
}

.scale-label {
    font-size: .72rem;
    color: var(--text-muted);
}

.comment-toggle {
    border: 0;
    padding: 10px 0 0;
    background: transparent;
    color: var(--text-muted);
    font-size: .8rem;
    font-weight: 600;
    width: 100%;
    text-align: left;
}

    .comment-toggle:hover {
        color: var(--theme-green);
    }

    .comment-toggle .bi-chevron-down {
        transition: transform .2s ease;
    }

    .comment-toggle[aria-expanded="true"] .bi-chevron-down {
        transform: rotate(180deg);
    }

.form-control {
    border-color: var(--border-light);
    background: #FAFBFC;
    border-radius: 12px;
    font-size: .86rem;
    padding: 12px 13px;
}

    .form-control:focus {
        border-color: var(--theme-green);
        box-shadow: 0 0 0 3px rgba(63,122,106,.14);
        background: #fff;
    }

.form-label {
    color: var(--text-muted);
    font-size: .75rem;
    font-weight: 600;
}

.btn-submit {
    background: var(--theme-green);
    color: #fff;
    border: 0;
    border-radius: 14px;
    min-height: 54px;
    font-size: .95rem;
    font-weight: 600;
    box-shadow: 0 8px 18px rgba(63,122,106,.18);
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

    .btn-submit:hover, .btn-submit:focus {
        background: var(--theme-green-dark);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 10px 22px rgba(63,122,106,.22);
    }

    .btn-submit:focus-visible {
        outline: 0;
        box-shadow: 0 0 0 4px rgba(63,122,106,.23);
    }

.footer-note {
    font-size: .74rem;
    color: #94A3B8;
}

.success-panel {
    border: 1px solid rgba(63,122,106,.2);
    background: #F0F7F3;
    border-radius: 18px;
    padding: 18px;
}

.success-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--theme-green);
    color: white;
    font-size: 1.2rem;
}

@media (min-width: 576px) {
    .survey-shell {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }

    .detail-card {
        padding: 18px 19px 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}