/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --primary-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #111827;
    --text-medium: #374151;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --bg-gray: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

.navbar {
    padding: 1.25rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo i {
    font-size: 2rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-medium);
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: var(--primary-gradient);
    transition: transform 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: rgba(16, 185, 129, 0.05);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-menu a.active {
    color: var(--primary-color);
    background: rgba(16, 185, 129, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 8px;
    transition: var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:hover {
    background: rgba(16, 185, 129, 0.1);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, #0ea5e9 0%, #10b981 50%, #059669 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.hero-stats .stat {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.hero-stats .stat:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-stats .stat i {
    font-size: 3rem;
    opacity: 0.95;
}

.hero-stats .stat strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero-stats .stat span {
    display: block;
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 400;
}

/* ===== QUICK LINKS ===== */
.quick-links {
    padding: 4rem 0;
    background: var(--bg-light);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.link-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    display: block;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.link-card:hover::before {
    transform: scaleX(1);
}

.link-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(16, 185, 129, 0.3);
}

.icon-wrapper {
    width: 90px;
    height: 90px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.75rem;
    font-size: 2.5rem;
    color: white;
    position: relative;
    transition: var(--transition);
}

.link-card:hover .icon-wrapper {
    transform: scale(1.05) rotate(-5deg);
}

.icon-wrapper.strom {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.3);
}

.icon-wrapper.oeko {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.icon-wrapper.gas {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
}

.link-card h3 {
    font-size: 1.625rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.link-card p {
    color: var(--text-light);
    margin-bottom: 1.75rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.link-arrow {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
}

.link-card:hover .link-arrow {
    gap: 0.875rem;
}

.link-arrow i {
    transition: var(--transition-fast);
}

/* ===== SECTION TITLE ===== */
.section-title {
    text-align: center;
    font-size: 2.75rem;
    margin-bottom: 3.5rem;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

/* ===== FEATURES ===== */
.features {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature {
    text-align: center;
    padding: 2.5rem;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(16, 185, 129, 0.2);
}

.feature i {
    font-size: 3.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition);
}

.feature:hover i {
    transform: scale(1.1);
}

.feature h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
}

.feature p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 4rem 0;
    background: var(--bg-light);
}

.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 250px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

/* ===== FAQ ===== */
.faq {
    padding: 4rem 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.faq-item {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.faq-item h3 i {
    color: var(--primary-color);
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== CALCULATOR SECTION ===== */
.calculator-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.calculator-intro {
    text-align: center;
    max-width: 850px;
    margin: 0 auto 4rem;
}

.calculator-intro h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.calculator-intro p {
    font-size: 1.25rem;
    color: var(--text-medium);
    line-height: 1.7;
}

.calculator-container {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-2xl);
    margin-bottom: 4rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.calculator-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
}

.calculator-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(16, 185, 129, 0.3);
}

.benefit-card i {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition);
}

.benefit-card:hover i {
    transform: scale(1.1);
}

.benefit-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* ===== INFO SECTION ===== */
.info-section {
    padding: 4rem 0;
}

.info-content {
    max-width: 900px;
    margin: 0 auto;
}

.info-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.info-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.info-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.info-content ul {
    list-style: none;
    margin: 1.5rem 0;
}

.info-content ul li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
}

.info-content ul li:before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* ===== RATGEBER ===== */
.ratgeber-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.ratgeber-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.ratgeber-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.ratgeber-card-content {
    padding: 2rem;
}

.ratgeber-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.ratgeber-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.btn-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.btn-read-more:hover {
    gap: 0.75rem;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    color: white;
    padding: 4rem 0 1.5rem;
    margin-top: 5rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.375rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 1.05rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition-fast);
    display: inline-block;
    font-size: 1.05rem;
}

.footer-col ul li a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-col i {
    margin-right: 0.75rem;
    color: var(--primary-light);
    font-size: 1.1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
}

/* ===== LEGAL PAGES ===== */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 0;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.legal-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.legal-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul,
.legal-content ol {
    margin: 1rem 0 1rem 2rem;
    color: var(--text-light);
    line-height: 1.8;
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

.legal-content a:hover {
    color: var(--primary-dark);
}

.legal-content strong {
    color: var(--text-dark);
}

/* ===== RESPONSIVE ===== */
/* Tablet & Mobile */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .links-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .faq-grid,
    .ratgeber-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2.75rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    /* Kurzrechner auf Tablet */
    .quick-links > .container > div[style*="grid-template-columns: repeat(3, 1fr)"] {
        grid-template-columns: 1fr !important;
    }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-xl);
        display: none;
        gap: 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        border-radius: 8px;
        margin-bottom: 0.25rem;
    }
    
    .nav-menu a::after {
        display: none;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-content h1 {
        font-size: 2.25rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }

    .hero-stats {
        gap: 1.5rem;
        flex-direction: column;
    }

    .hero-stats .stat {
        flex-direction: row;
        justify-content: center;
        padding: 1.25rem 1.5rem;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-stats .stat i {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2.25rem;
        margin-bottom: 2.5rem;
    }
    
    .section-title::after {
        width: 60px;
    }

    .steps {
        flex-direction: column;
        gap: 2rem;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }

    .links-grid,
    .features-grid,
    .calculator-benefits {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .faq-grid,
    .ratgeber-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .link-card,
    .feature,
    .benefit-card {
        padding: 2rem;
    }
    
    .icon-wrapper {
        width: 80px;
        height: 80px;
        font-size: 2.25rem;
    }

    .calculator-intro h1 {
        font-size: 2.25rem;
    }
    
    .calculator-intro p {
        font-size: 1.125rem;
    }

    .calculator-container {
        padding: 2rem;
        border-radius: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer {
        padding: 3rem 0 1.5rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 2.5rem 0;
    }

    .hero-content h1 {
        font-size: 1.875rem;
        line-height: 1.25;
        letter-spacing: -0.01em;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .hero-stats .stat {
        padding: 1rem 1.25rem;
        gap: 1rem;
    }
    
    .hero-stats .stat i {
        font-size: 2rem;
    }
    
    .hero-stats .stat strong {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.875rem;
        margin-bottom: 2rem;
        padding-bottom: 0.75rem;
    }
    
    .section-title::after {
        width: 50px;
        height: 3px;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo i {
        font-size: 1.5rem;
    }

    .link-card,
    .feature,
    .faq-item,
    .benefit-card {
        padding: 1.75rem;
        border-radius: 16px;
    }
    
    .link-card h3,
    .feature h3,
    .benefit-card h3 {
        font-size: 1.25rem;
    }
    
    .link-card p,
    .feature p,
    .benefit-card p {
        font-size: 0.95rem;
    }
    
    .icon-wrapper {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        border-radius: 16px;
    }
    
    .calculator-intro h1 {
        font-size: 1.875rem;
        line-height: 1.3;
    }
    
    .calculator-intro p {
        font-size: 1rem;
    }
    
    .calculator-container {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    .calculator-container::before {
        height: 4px;
    }
    
    .step {
        padding: 1.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .step h3 {
        font-size: 1.125rem;
    }
    
    .step p {
        font-size: 0.95rem;
    }
    
    .faq-item h3 {
        font-size: 1.125rem;
    }
    
    .faq-item p {
        font-size: 0.95rem;
    }
    
    .footer-col h4 {
        font-size: 1.25rem;
    }
    
    .footer-col p,
    .footer-col ul li a {
        font-size: 0.95rem;
    }
    
    .footer-bottom p {
        font-size: 0.875rem;
    }
    
    /* Quick Calculators auf Startseite */
    .quick-links h2 {
        font-size: 1.75rem;
    }
    
    .quick-links > div > div {
        padding: 1.25rem !important;
    }
    
    .quick-links h3 {
        font-size: 1.125rem !important;
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .hero-content h1 {
        font-size: 1.625rem;
    }
    
    .section-title {
        font-size: 1.625rem;
    }
    
    .hero-stats .stat {
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }
    
    .link-card,
    .feature,
    .benefit-card {
        padding: 1.5rem;
    }
    
    .calculator-container {
        padding: 1.25rem;
    }
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }