/* Energie-Rechner-Suite – Vanilla CSS, keine Frameworks, mobil optimiert */

:root {
    --color-bg: #f5f5f5;
    --color-surface: #fff;
    --color-text: #1a1a1a;
    --color-text-muted: #555;
    --color-border: #ddd;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-highlight: #e0f2fe;
    --max-width: 1100px;
    --space: 1rem;
    --space-lg: 1.5rem;
    --radius: 6px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Buttons – an WhatsApp-Button heizstrom-kosten-vergleich.de angepasst */
    --btn-bg: #B88C90;
    --btn-bg-hover: #A87479;
    --btn-text: #FFFFFF;
    --btn-radius: 10px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body.energie-suite {
    margin: 0;
    font-family: var(--font);
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space);
    width: 100%;
}

/* iFrame-optimiert: mehr Breite nutzen, kein unnötiges Korsett */
@media (min-width: 1100px) {
    .container {
        padding: var(--space) var(--space-lg);
    }
}

.suite-header {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.suite-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.suite-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space);
}

.suite-nav a {
    color: var(--color-primary);
    text-decoration: none;
}

.suite-nav a:hover {
    text-decoration: underline;
}

.suite-nav--inline {
    margin-top: 0.5rem;
}

.rechner-section {
    padding: var(--space-lg) 0;
}

.rechner-form {
    margin-bottom: var(--space-lg);
}

.fieldset {
    margin: 0 0 var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 720px) {
    .fieldset {
        grid-template-columns: 1fr 1fr;
    }
}

.fieldset legend {
    grid-column: 1 / -1;
    font-weight: 600;
    padding: 0 0.5rem;
}

.form-row.two-cols {
    grid-column: 1 / -1;
}

.form-row--checkbox,
.ht-nt-felder {
    grid-column: 1 / -1;
}

.form-row {
    margin-bottom: var(--space);
}

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

.form-row label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.label-wrap {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.25rem;
}

.label-wrap label {
    margin-bottom: 0;
}

.info-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 50%;
    background: transparent;
    color: #666;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.info-icon:hover,
.info-icon:focus {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.3);
    outline: 2px solid var(--btn-bg);
    outline-offset: 1px;
}

.tooltip-popup {
    position: fixed;
    z-index: 10000;
    max-width: 300px;
    padding: 12px;
    font-size: 0.875rem;
    line-height: 1.45;
    color: #fff;
    background: #111;
    border: none;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.tooltip-popup.is-visible {
    visibility: visible;
    opacity: 1;
}

/* Tooltip-Pfeil (nach oben, zum Icon) */
.tooltip-popup::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-bottom-color: #111;
    margin-bottom: -1px;
}

.preset-row {
    margin-bottom: var(--space);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.preset-row.preset-box {
    padding: var(--space);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--space);
}

.preset-row label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.preset-row select {
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.scenario-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: var(--space);
}

.scenario-toggle button {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-family: inherit;
    font-weight: 600;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.scenario-toggle button:hover,
.scenario-toggle button.active {
    background: var(--btn-bg);
    color: var(--btn-text);
    border-color: var(--btn-bg);
}

.btn-outline-preset {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-outline-preset:hover {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row input[type="email"],
.form-row input[type="tel"] {
    width: 100%;
    max-width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.form-row input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

.form-row.two-cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space);
}

@media (min-width: 720px) {
    .form-row.two-cols {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1100px) {
    .form-row.two-cols {
        grid-template-columns: 1fr 1fr;
    }
}

.form-row--checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.form-row--checkbox input {
    margin-top: 0.2rem;
}

.ht-nt-felder[hidden] {
    display: none;
}

.input-group {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    width: 100%;
}

.input-group .input-suffix {
    margin-left: 0.25rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.form-hint input {
    width: 8rem;
    padding: 0.35rem 0.5rem;
    font-size: 0.9rem;
}

/* Ergebnis */
.ergebnis-box {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--space-lg);
}

.ergebnis-box h2 {
    margin: 0 0 var(--space);
    font-size: 1.25rem;
    font-weight: 600;
}

.ergebnis-box h3 {
    margin: var(--space-lg) 0 var(--space);
    font-size: 1rem;
    font-weight: 600;
}

.ergebnis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space);
}

@media (min-width: 720px) {
    .ergebnis-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1100px) {
    .ergebnis-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ergebnis-item {
    padding: var(--space);
    background: var(--color-bg);
    border-radius: var(--radius);
}

.ergebnis-item--highlight {
    background: var(--color-highlight);
    font-weight: 600;
}

.ergebnis-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.ergebnis-wert {
    font-size: 1.1rem;
}

.ergebnis-tabelle {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    overflow-x: auto;
    display: block;
}

.ergebnis-tabelle thead {
    background: var(--color-bg);
}

.ergebnis-tabelle th,
.ergebnis-tabelle td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.ergebnis-tabelle tbody tr.row-breakeven {
    background: var(--color-highlight);
    font-weight: 600;
}

@media (max-width: 719px) {
    .ergebnis-tabelle {
        font-size: 0.8rem;
    }
    .ergebnis-tabelle th,
    .ergebnis-tabelle td {
        padding: 0.4rem 0.5rem;
    }
}

/* Buttons – einheitlich, Onepage-ähnlich (runde Ecken, ruhiger Farbton) */
.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    color: var(--btn-text);
    background: var(--btn-bg);
    border: none;
    border-radius: var(--btn-radius);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
    background: var(--btn-bg-hover);
    color: var(--btn-text);
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn:focus-visible {
    outline: 2px solid var(--btn-bg);
    outline-offset: 2px;
}

.btn-cta {
    margin-top: var(--space);
}

/* Lead-Modul */
.lead-modul {
    padding: var(--space-lg) 0;
    margin-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.lead-modul h2 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.lead-modul p {
    margin: 0 0 var(--space);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.lead-form .form-row {
    margin-bottom: var(--space);
}

.lead-form input[type="text"],
.lead-form input[type="email"],
.lead-form input[type="tel"] {
    max-width: 100%;
}

/* Suite-Footer: dezent, iFrame-optimiert */
.suite-footer {
    margin-top: var(--space-lg);
    padding: var(--space) 0 var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.75;
}

.suite-footer-links {
    margin-bottom: 0.5rem;
}

.suite-footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.suite-footer-links a:hover {
    text-decoration: underline;
}

.suite-footer-links span {
    margin: 0 0.35rem;
    opacity: 0.7;
}

.suite-footer-powered {
    font-size: 0.7rem;
    opacity: 0.6;
}

.suite-footer-powered a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.suite-footer-powered a:hover {
    text-decoration: underline;
}