/* ============================================================
   SONA DIGITAL ECOSYSTEM V10 — SMART QR LANDING PAGE
   Mobile-first, minimal, accessible, no external dependencies.
   ============================================================ */

:root {
    --navy: #0b2a55;
    --navy-2: #123d73;
    --navy-3: #174c8d;
    --blue: #2f80ed;
    --blue-soft: #eaf3ff;
    --white: #ffffff;
    --page: #f7faff;
    --text: #13263f;
    --muted: #5c7290;
    --border: #dbe6f4;
    --success: #17784b;
    --success-soft: #e6f6ee;
    --success-border: #b7e3cc;
    --whatsapp: #128c4b;
    --danger: #b3363f;
    --danger-soft: #fdecec;
    --radius: 18px;
    --shadow: 0 10px 26px rgba(11, 42, 85, .10);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--page);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
}

img { max-width: 100%; display: block; }

a { color: var(--blue); }

:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 2px;
    border-radius: 6px;
}

.qr-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--navy);
    color: #fff;
    padding: 10px 16px;
    border-radius: 0 0 10px 0;
    z-index: 100;
    font-weight: 700;
}
.qr-skip:focus { left: 0; color: #fff; }

/* Header / brand */
.qr-header {
    background: linear-gradient(135deg, #071f3d 0%, var(--navy) 45%, var(--navy-2) 100%);
    color: #fff;
    padding: 26px 18px 22px;
}
.qr-header__inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
}
.qr-header__logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    border-radius: 16px;
    background: #fff;
    padding: 3px;
    flex: 0 0 auto;
}
.qr-header__title {
    margin: 0;
    font-size: 21px;
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1.15;
}
.qr-header__tagline {
    margin: 7px 0 0;
    color: #8fc2ff;
    font-size: 14px;
    font-weight: 600;
}

/* Sections */
.qr-section {
    max-width: 1080px;
    margin: 0 auto;
    padding: 26px 18px 8px;
}
.qr-section__title {
    margin: 0 0 14px;
    font-size: 22px;
    font-weight: 800;
    color: var(--navy);
    position: relative;
    padding-left: 14px;
}
.qr-section__title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 5px;
    border-radius: 4px;
    background: var(--blue);
}

.qr-hero__lead {
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 16px;
}

/* Quick action buttons */
.qr-cta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 4px;
}
.qr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 12px 18px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 800;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    -webkit-tap-highlight-color: transparent;
}
.qr-btn:active { transform: translateY(1px); }
.qr-btn__icon { flex: 0 0 auto; }

.qr-btn--call {
    background: var(--navy);
    color: #fff;
    box-shadow: 0 10px 22px rgba(11, 42, 85, .18);
}
.qr-btn--call:hover { background: var(--navy-2); color: #fff; }

.qr-btn--whatsapp {
    background: var(--whatsapp);
    color: #fff;
    box-shadow: 0 10px 22px rgba(18, 140, 75, .22);
}
.qr-btn--whatsapp:hover { background: #0e7440; color: #fff; }

.qr-btn--website {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 10px 22px rgba(47, 128, 237, .22);
}
.qr-btn--website:hover { background: #256bd1; color: #fff; }

.qr-btn--submit {
    width: 100%;
    background: var(--blue);
    color: #fff;
    font-size: 17px;
    margin-top: 6px;
    box-shadow: 0 12px 26px rgba(47, 128, 237, .26);
}
.qr-btn--submit:hover { background: #256bd1; color: #fff; }
.qr-btn--submit:disabled { opacity: .6; cursor: not-allowed; transform: none !important; }

/* Course cards */
.qr-courses {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
.qr-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px 18px 16px;
}
.qr-card__badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.qr-card__badge--offline { background: var(--blue-soft); color: var(--navy-3); }
.qr-card__badge--online { background: #e6f6ee; color: var(--success); }
.qr-card__name {
    margin: 10px 0 4px;
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
}
.qr-card__tag {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* Info blocks (timing / address) */
.qr-info {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 6px 18px;
    font-style: normal;
}
.qr-info__row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px dashed var(--border);
}
.qr-info__row:last-child { border-bottom: none; }
.qr-info__label { color: var(--muted); font-weight: 600; font-size: 15px; }
.qr-info__value { font-weight: 800; color: var(--text); text-align: right; }
.qr-info__value--closed { color: var(--danger); }

/* Success / alert */
.qr-success {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--success-soft);
    border: 1px solid var(--success-border);
    border-radius: var(--radius);
    padding: 16px 18px;
    margin-bottom: 18px;
}
.qr-success__icon { color: var(--success); flex: 0 0 auto; }
.qr-success__text { margin: 0; font-weight: 700; color: var(--success); }

.qr-alert {
    background: var(--danger-soft);
    border: 1px solid #f2c4c8;
    color: var(--danger);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 18px;
    font-weight: 600;
}

/* Form */
.qr-form {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 20px 18px;
}
.qr-form__field { margin-bottom: 16px; }
.qr-form__label {
    display: block;
    margin: 0 0 7px;
    font-size: 14px;
    font-weight: 800;
    color: var(--text);
    padding: 0;
    border: 0;
}
.qr-form__required { color: var(--danger); }
.qr-form__input {
    width: 100%;
    min-height: 48px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.qr-form__input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(47, 128, 237, .18);
}
select.qr-form__input {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c7290' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 42px;
}

.qr-form__radio-row { display: flex; gap: 12px; flex-wrap: wrap; }
.qr-form__radio {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
}
.qr-form__radio:has(input:checked) {
    border-color: var(--blue);
    background: var(--blue-soft);
    color: var(--navy);
}
.qr-form__radio input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}
.qr-form__radio-mark {
    width: 18px;
    height: 18px;
    border: 2px solid #b9c9dd;
    border-radius: 50%;
    flex: 0 0 auto;
    position: relative;
}
.qr-form__radio input:checked + .qr-form__radio-mark {
    border-color: var(--blue);
}
.qr-form__radio input:checked + .qr-form__radio-mark::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: var(--blue);
}
.qr-form__radio input:focus-visible + .qr-form__radio-mark {
    outline: 3px solid var(--blue);
    outline-offset: 2px;
}

.qr-form__help { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.qr-form__error { margin: 6px 0 0; color: var(--danger); font-size: 13px; font-weight: 700; }
.qr-form__input[aria-invalid="true"] { border-color: var(--danger); }

/* Footer */
.qr-footer {
    max-width: 1080px;
    margin: 26px auto 0;
    padding: 22px 18px 26px;
    border-top: 1px solid var(--border);
    text-align: center;
}
.qr-footer__site { font-weight: 800; color: var(--navy); text-decoration: none; font-size: 16px; }
.qr-footer__site:hover { text-decoration: underline; }
.qr-footer__copy { margin: 8px 0 0; color: var(--muted); font-size: 13px; }

/* Desktop */
@media (min-width: 640px) {
    .qr-header { padding: 34px 24px 26px; }
    .qr-header__title { font-size: 26px; }
    .qr-header__logo { width: 84px; height: 84px; }
    .qr-section { padding: 34px 24px 10px; }
    .qr-cta { grid-template-columns: repeat(3, 1fr); }
    .qr-courses { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .qr-courses--online { grid-template-columns: repeat(2, 1fr); }
    .qr-form { padding: 28px 26px; }
}

@media (min-width: 1000px) {
    .qr-courses--online { grid-template-columns: repeat(4, 1fr); }
    .qr-form { max-width: 600px; margin: 0 auto; }
}