:root {
    --bg-dark: #f8fafc;
    /* Lighter background for a cleaner corporate look */
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --text-primary: #242b4d;
    /* Adites Dark Blue */
    --text-secondary: #475569;
    --accent-yellow: #ffed00;
    /* Adites Yellow */
    --accent-yellow-hover: #eab308;
    --accent-yellow-glow: rgba(255, 237, 0, 0.4);
    --accent-green: #145a28;
    /* Adites Green */
    --border-color: rgba(36, 43, 77, 0.1);
    --glass-blur: blur(16px);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'IBM Plex Sans', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-dark);
}

section[id] {
    scroll-margin-top: 90px;
}

body {
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-green) 0%, #20873d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-green {
    background: linear-gradient(135deg, var(--accent-green) 0%, #20873d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Glassmorphism */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

/* Buttons */
button,
.btn-primary,
.btn-secondary,
.btn-outline-small {
    font-family: 'IBM Plex Sans', sans-serif;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
}

.btn-primary {
    background-color: var(--accent-green);
    color: #fff;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: none;
    box-shadow: 0 4px 14px rgba(20, 90, 40, 0.3);
}

.btn-primary:hover {
    background-color: #0f441e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(20, 90, 40, 0.4);
}

.btn-secondary {
    background-color: #fff;
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #f1f5f9;
    border-color: var(--accent-green);
}

.btn-outline-small {
    background-color: transparent;
    color: var(--accent-green);
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent-green);
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-outline-small:hover {
    background-color: var(--accent-green);
    border-color: var(--accent-green);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(20, 90, 40, 0.25);
}

.btn-block {
    width: 100%;
    margin-bottom: 12px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.35s ease;
}

.navbar.navbar--hidden {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a:not(.btn-outline-small) {
    position: relative;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.25s ease;
}

.nav-links a:not(.btn-outline-small)::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--accent-green);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:not(.btn-outline-small):hover {
    color: var(--accent-green);
}

.nav-links a:not(.btn-outline-small):hover::after {
    transform: scaleX(1);
}

/* Hamburger toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--text-primary);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 40%, rgba(255, 255, 255, 0) 80%);
}

.hero-content {
    width: 100%;
}

.hero-text {
    max-width: 600px;
    animation: fadeUp 1s ease-out;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(20, 90, 40, 0.1);
    color: var(--accent-green);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(20, 90, 40, 0.2);
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero p:not(:last-of-type) {
    margin-bottom: 16px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

/* Chart + intro layout */
.benefits-header {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 64px;
}

.benefits-intro h2 {
    font-size: 2.4rem;
    line-height: 1.15;
    margin-bottom: 20px;
}

.benefits-intro p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
}

/* Chart card */
.benefits-chart {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 24px 20px;
    box-shadow: 0 10px 30px rgba(36, 43, 77, 0.06);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.chart-label {
    display: flex;
    flex-direction: column;
}

.chart-label-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.chart-label-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
    margin-top: 2px;
}

.chart-stat {
    text-align: right;
    background: rgba(220, 38, 38, 0.08);
    border: 1px solid rgba(220, 38, 38, 0.22);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    line-height: 1.1;
}

.chart-stat-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    color: #dc2626;
    white-space: nowrap;
}

.chart-stat-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 2px;
    white-space: nowrap;
}

.chart-stat-period {
    display: block;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(220, 38, 38, 0.2);
    font-size: 0.72rem;
    font-weight: 600;
    color: #dc2626;
    white-space: nowrap;
}

.chart-svg {
    width: 100%;
    height: 180px;
    display: block;
}

.chart-legend {
    display: flex;
    gap: 20px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-swatch {
    width: 14px;
    height: 8px;
    border-radius: 2px;
    display: inline-block;
}

.swatch-line {
    background: linear-gradient(180deg, #145a28 0%, #20873d 100%);
}

.swatch-neg {
    background: rgba(220, 38, 38, 0.18);
    border: 1px solid rgba(220, 38, 38, 0.35);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: start;
}

.benefit-card {
    background: var(--bg-card);
    padding: 28px 26px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    min-width: 0;
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: rgba(20, 90, 40, 0.3);
    background: var(--bg-card-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.benefit-card h3 {
    font-size: 1.15rem;
    line-height: 1.35;
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.95rem;
}

/* Collapsible benefit cards */
.benefit-card.collapsible {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-toggle {
    width: 100%;
    min-height: 118px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    padding: 22px 26px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.card-toggle:focus {
    outline: none;
}

.card-toggle:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: -2px;
    border-radius: var(--radius-lg);
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(20, 90, 40, 0.08);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.benefit-card.collapsible:hover .card-icon,
.benefit-card.collapsible.open .card-icon {
    background: var(--accent-green);
    color: #fff;
}

.card-toggle h3 {
    flex: 1;
    font-size: 1.12rem;
    line-height: 1.35;
    margin: 0;
    color: var(--text-primary);
}

.card-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--accent-green);
    transition: transform 0.35s ease;
}

.benefit-card.collapsible.open .card-chevron {
    transform: rotate(180deg);
}

.card-panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}

.benefit-card.collapsible.open .card-panel {
    grid-template-rows: 1fr;
}

.card-panel-inner {
    overflow: hidden;
}

.card-panel-inner p {
    margin: 0;
    padding: 0 26px 24px;
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.95rem;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: #fff;
}

.about-header {
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
}

.about-header h2 {
    font-size: 2.4rem;
    line-height: 1.2;
    margin-bottom: 0;
}

/* Stats + team photo */
.about-grid {
    display: grid;
    grid-template-columns: 0.68fr 1.32fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 56px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.stat {
    border-left: 3px solid var(--accent-green);
    padding-left: 20px;
}

.stat-value {
    display: block;
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--accent-green);
    line-height: 1;
    letter-spacing: -1.5px;
}

.stat-unit {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.stat-label {
    display: block;
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.about-photo {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(36, 43, 77, 0.14);
    aspect-ratio: 3 / 2;
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.badge-item {
    display: inline-flex;
    align-items: center;
    background: rgba(20, 90, 40, 0.05);
    border: 1px solid rgba(20, 90, 40, 0.1);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.badge-item strong {
    color: var(--accent-green);
    margin-right: 6px;
    font-size: 1.1em;
}

.about-pillars {
    margin-bottom: 60px;
}

.trust-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.trust-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Logo marquee */
.logo-marquee {
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}

.logo-track {
    display: flex;
    align-items: center;
    gap: 24px;
    width: max-content;
    animation: logo-scroll 40s linear infinite;
}

.logo-marquee:hover .logo-track {
    animation-play-state: paused;
}

.logo-item {
    flex-shrink: 0;
    width: 150px;
    height: 84px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(36, 43, 77, 0.10);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

@keyframes logo-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Calculator Section */
.calculator-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

/* Background glow */
.calculator-section::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 90, 40, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    transform: translateY(-50%);
    z-index: 0;
    pointer-events: none;
}

.rechner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

/* Combined CTA card (PDF + Call sections) */
.cta-card-combined h4 {
    margin-top: 0;
}

.cta-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 28px 0 24px;
}

/* PDF mockup illustration — sits to the right of the checklist */
.pdf-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 8px 0 22px;
}

.pdf-row .cta-checklist {
    margin: 0;
    flex: 1;
    min-width: 0;
}

.pdf-preview {
    flex-shrink: 0;
    width: 150px;
    display: block;
}

.pdf-preview svg {
    width: 100%;
    height: auto;
    display: block;
}

/* Call section: photo + text side by side */
.cta-call-block {
    display: flex;
    gap: 16px;
    align-items: stretch;
    margin-bottom: 20px;
}

.cta-call-photo-wrap {
    flex-shrink: 0;
    width: 120px;
    align-self: stretch;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(20, 90, 40, 0.15);
    background: linear-gradient(180deg, rgba(20, 90, 40, 0.04) 0%, rgba(20, 90, 40, 0.10) 100%);
    box-shadow: 0 4px 12px rgba(36, 43, 77, 0.08);
    min-height: 160px;
}

.cta-call-photo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    display: block;
}

.cta-call-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.cta-call-text h4 {
    margin-bottom: 6px;
}

.cta-call-text .cta-signature-meta {
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
    line-height: 1.25;
}

.cta-call-text .cta-signature-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.cta-call-text .cta-signature-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cta-call-text p {
    margin-bottom: 0;
    flex: none;
}

.check-list {
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.check-list li svg {
    color: var(--accent-green);
    width: 20px;
    height: 20px;
}

/* Calculator Card */
.calculator-card {
    padding: 40px;
    position: relative;
    border: 2px solid rgba(255, 237, 0, 0.45);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    animation: solar-frame-pulse 2.6s ease-in-out infinite;
}

/* Solar-energy pulsing frame — works on iOS (border-color + box-shadow only) */
@keyframes solar-frame-pulse {

    0%,
    100% {
        border-color: rgba(255, 237, 0, 0.40);
        box-shadow:
            0 25px 50px -12px rgba(0, 0, 0, 0.1),
            0 0 0 0 rgba(255, 237, 0, 0);
    }

    50% {
        border-color: rgba(255, 237, 0, 1);
        box-shadow:
            0 25px 50px -12px rgba(0, 0, 0, 0.1),
            0 0 30px 3px rgba(255, 237, 0, 0.45);
    }
}

@media (prefers-reduced-motion: reduce) {
    .calculator-card {
        animation: none;
        border-color: rgba(255, 237, 0, 0.65);
    }
}

.calc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.calc-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 16px;
}

.input-header label {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.value-display {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
}

/* Custom Slider */
.custom-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #e2e8f0;
    outline: none;
    margin: 10px 0;
}

.custom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-yellow);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(255, 237, 0, 0.5);
    transition: transform 0.1s;
    border: 2px solid #fff;
}

.custom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 8px;
    margin-bottom: 40px;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.result-box {
    background: rgba(255, 255, 255, 0.5);
    padding: 20px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid var(--border-color);
}

.result-box.highlight {
    grid-column: 1 / -1;
    border-color: rgba(20, 90, 40, 0.2);
    background: linear-gradient(180deg, rgba(20, 90, 40, 0.05) 0%, rgba(255, 255, 255, 0.8) 100%);
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.result-box.highlight .result-value {
    font-size: 2.2rem;
    color: var(--accent-green);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-yellow);
    width: 25%;
    /* Dynamic via JS */
    transition: width 0.3s ease;
}

.disclaimer {
    font-size: 0.8rem;
    color: #52525b;
    margin-bottom: 0;
}

.calc-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

/* Post-Calculator CTA Cards */
.post-calc-ctas {
    margin-top: 32px;
}

.cta-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.cta-checklist {
    list-style: none;
    margin: 0 0 24px 0;
    padding: 0;
}

.cta-checklist li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.cta-checklist li svg {
    color: var(--accent-green);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.cta-card:hover {
    border-color: rgba(20, 90, 40, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.cta-card h4 {
    font-size: 1.1rem;
    line-height: 1.35;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 20px;
    flex: 1;
}

.cta-card .btn-block {
    margin-bottom: 0;
}

.cta-signature-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.cta-signature-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.cta-signature-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cta-microtext {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 12px;
    text-align: center;
    letter-spacing: 0.2px;
}

/* Honeypot — vor Menschen versteckt, nur Bots füllen es aus */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.input-field {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.input-field:focus {
    border-color: var(--accent-green);
}

.textarea-field {
    resize: vertical;
    min-height: 110px;
    line-height: 1.5;
}

/* Intersolar Europe 2026 — exhibition block (in-brand, light) */
.messe-section {
    padding: 30px 0 110px;
    background: linear-gradient(180deg, #f1f5f9 0%, #eaeef4 100%);
}

.messe-card {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    padding: 56px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(36, 43, 77, 0.12);
}

/* subtle brand glows */
.messe-card::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -8%;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(20, 90, 40, 0.07) 0%, rgba(20, 90, 40, 0) 68%);
    pointer-events: none;
}

.messe-card::after {
    content: "";
    position: absolute;
    bottom: -45%;
    left: -10%;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, rgba(255, 237, 0, 0.10) 0%, rgba(255, 237, 0, 0) 70%);
    pointer-events: none;
}

.messe-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 50px;
    align-items: center;
}

.messe-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(20, 90, 40, 0.07);
    color: var(--accent-green);
    border: 1px solid rgba(20, 90, 40, 0.18);
    padding: 7px 15px;
    border-radius: 30px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.messe-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 0 0 rgba(20, 90, 40, 0.5);
    animation: messe-dot-pulse 2.2s ease-in-out infinite;
}

@keyframes messe-dot-pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(20, 90, 40, 0.45);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(20, 90, 40, 0);
    }
}

.messe-left h2 {
    font-size: 2.3rem;
    line-height: 1.18;
    margin-bottom: 18px;
}

.messe-highlight {
    background: linear-gradient(90deg, var(--accent-green), #20873d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent-green);
}

.messe-left p {
    color: var(--text-secondary);
    font-size: 1.08rem;
    line-height: 1.65;
    max-width: 540px;
    margin-bottom: 0;
}

.messe-panel {
    background: rgba(20, 90, 40, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 32px;
}

.messe-logo-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--text-primary);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 26px;
    box-shadow: 0 8px 22px rgba(36, 43, 77, 0.18);
}

.messe-logo {
    width: 190px;
    max-width: 100%;
    height: auto;
    display: block;
}

.messe-facts {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.messe-facts li {
    display: flex;
    align-items: center;
    gap: 14px;
}

.messe-fact-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(20, 90, 40, 0.07);
    border: 1px solid rgba(20, 90, 40, 0.15);
    color: var(--accent-green);
}

.messe-fact-text strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.messe-fact-text small {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

@media (max-width: 992px) {
    .messe-content {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .messe-card {
        padding: 44px 36px;
    }

    .messe-left h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .messe-section {
        padding: 10px 0 80px;
    }

    .messe-card {
        padding: 32px 22px;
        border-radius: 18px;
    }

    .messe-left h2 {
        font-size: 1.65rem;
    }

    .messe-left p {
        font-size: 1rem;
    }

    .messe-panel {
        padding: 26px 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .messe-dot {
        animation: none;
    }
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(36, 43, 77, 0.55);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: #fff;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-lg);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    line-height: 1;
    padding: 4px 8px;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    padding-right: 28px;
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}

/* Footer — compact */
.footer {
    background: #fff;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding: 36px 0 24px;
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 24px;
}

.footer-logo-link {
    display: inline-flex;
    line-height: 0;
}

.footer-logo {
    height: 54px;
    width: auto;
    display: block;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #fff;
    transform: translateY(-2px);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.footer-copy {
    color: var(--text-secondary);
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
}

.footer-legal a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.25s;
}

.footer-legal a:hover {
    color: var(--accent-green);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .rechner-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .about-header h2 {
        font-size: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-photo {
        order: -1;
    }

    .benefits-header {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .benefits-intro h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
        padding-bottom: 60px;
    }

    .hero-overlay {
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 55%, rgba(255, 255, 255, 0.55) 100%);
    }

    .hero h1 {
        font-size: 2.25rem;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 12px 28px rgba(36, 43, 77, 0.10);
        padding: 6px 24px 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-12px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links a:not(.btn-outline-small) {
        padding: 15px 4px;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.05rem;
    }

    .nav-links a:not(.btn-outline-small)::after {
        display: none;
    }

    .btn-outline-small {
        margin-top: 16px;
        text-align: center;
        justify-content: center;
        padding: 13px;
        font-size: 1rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 18px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 14px;
    }

    .footer-legal {
        gap: 14px 20px;
    }

    .about {
        padding: 60px 0;
    }

    .about-header h2 {
        font-size: 1.75rem;
    }

    .stat-value {
        font-size: 2.6rem;
    }

    .stat-unit {
        font-size: 1.4rem;
    }

    .trust-bar {
        gap: 22px;
    }

    .logo-item {
        width: 124px;
        height: 72px;
        padding: 12px 16px;
    }

    .logo-track {
        gap: 16px;
    }

    .cta-card {
        padding: 24px;
    }

    .benefits {
        padding: 60px 0;
    }

    .benefits-intro h2 {
        font-size: 1.65rem;
    }

    .benefits-chart {
        padding: 18px 18px 16px;
    }

    .chart-stat {
        padding: 6px 10px;
    }

    .chart-stat-value {
        font-size: 1.1rem;
    }

    .chart-svg {
        height: 150px;
    }

    .card-toggle {
        padding: 22px 22px 18px;
    }

    .card-panel-inner p {
        padding: 0 22px 22px;
    }

    .cta-call-block {
        flex-direction: column;
        gap: 16px;
    }

    .cta-call-photo-wrap {
        width: 100%;
        height: 220px;
        min-height: 0;
    }

    .cta-call-photo-wrap img {
        object-position: center 10%;
    }

    .pdf-preview {
        display: none;
    }
}