/* ===================================
   VARIABLES & RESET
   =================================== */
:root {
    --primary-color: #7C3AED;
    --secondary-color: #00B8D4;
    --dark-color: #2D3436;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --text-color: #333333;
    --text-light: #666666;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--dark-color);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.125rem;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: var(--gradient);
    color: var(--white);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

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

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.7;
    animation: fadeIn 1.2s ease-in;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.85), rgba(0, 184, 212, 0.85));
    z-index: 1;
}

@keyframes backgroundMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 80px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: float 6s ease-in-out infinite;
}

.hero-visual i {
    font-size: 120px;
    color: var(--white);
    opacity: 0.9;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* ===================================
   PROBLEM SECTION
   =================================== */
.problem {
    padding: 100px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.problem-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.problem-background .section-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.25;
    filter: grayscale(10%);
}

.problem .container {
    position: relative;
    z-index: 1;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.problem-card {
    background: var(--light-gray);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.problem-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-icon i {
    font-size: 36px;
    color: var(--white);
}

.problem-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-color);
}

/* ===================================
   LÖSUNG SECTION
   =================================== */
.losung {
    padding: 100px 0;
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.losung-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.losung-background .section-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.2;
    filter: grayscale(10%);
}

.losung .container {
    position: relative;
    z-index: 1;
}

.losung-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.losung-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.losung-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.losung-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.losung-icon i {
    font-size: 36px;
    color: var(--white);
}

.losung-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark-color);
}

.losung-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* ===================================
   VORTEILE SECTION
   =================================== */
.vorteile {
    padding: 100px 0;
    background: var(--dark-color);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.vorteile-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.vorteile-background .section-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.15;
    filter: grayscale(40%) brightness(0.8);
}

.vorteile .container {
    position: relative;
    z-index: 1;
}

.vorteile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.vorteil-box {
    text-align: center;
    padding: 60px 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.vorteil-box:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary-color);
}

.vorteil-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.vorteil-text {
    font-size: 1.25rem;
    font-weight: 500;
}

/* ===================================
   VIDEO SECTION
   =================================== */
.video-section {
    padding: 100px 0;
    background: var(--white);
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    background: #000;
}

.video-wrapper iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16/9;
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing {
    padding: 100px 0;
    background: var(--light-gray);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-top: -2rem;
    margin-bottom: 4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 4rem;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.pricing-card.recommended {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.recommended:hover {
    transform: scale(1.05) translateY(-10px);
}

.recommended-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.pricing-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.pricing-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.pricing-price {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--light-gray);
}

.price-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-period {
    font-size: 1.125rem;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.6;
}

.pricing-features i {
    color: var(--secondary-color);
    font-size: 1.125rem;
    margin-top: 2px;
}

.pricing-features li.disabled {
    opacity: 0.4;
}

.pricing-features li.disabled i {
    color: var(--text-light);
}

.pricing-setup {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
}

.setup-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.setup-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: #e74c3c;
    margin-bottom: 0.5rem;
}

.setup-note {
    font-size: 0.875rem;
    color: #27ae60;
    font-weight: 600;
}

.setup-note small {
    display: block;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 0.25rem;
}

.pricing-card .btn {
    width: 100%;
    margin-top: auto;
}

.pricing-footer {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 2px solid #ddd;
}

.pricing-footer p {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.pricing-footer i {
    color: var(--secondary-color);
}

/* ===================================
   CTA SECTION
   =================================== */
.cta {
    padding: 100px 0;
    background: var(--gradient);
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    background: var(--light-gray);
}

/* ===================================
   DEMO FORM SECTION
   =================================== */
.demo-form {
    padding: 100px 0;
    background: var(--light-gray);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.form-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-group a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-message {
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

.booking-iframe {
    width: 100%;
    min-height: 700px;
}

.booking-iframe iframe {
    border-radius: var(--border-radius);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-text {
    line-height: 1.8;
    opacity: 0.9;
}

.footer-text i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.9;
}

.footer-links a:hover {
    color: var(--secondary-color);
    opacity: 1;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--gradient);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ===================================
   ANIMATIONS
   =================================== */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay-1 {
    animation: fadeIn 1s ease-in 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.4s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-in 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-visual {
        padding: 60px;
    }

    .hero-visual i {
        font-size: 80px;
    }

    .section-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2.25rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.recommended {
        transform: scale(1);
    }

    .pricing-card.recommended:hover {
        transform: translateY(-10px);
    }

    .pricing-footer {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .video-wrapper iframe {
        height: 400px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero-bg-image {
        opacity: 0.2;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-visual {
        padding: 40px;
    }

    .hero-visual i {
        font-size: 60px;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 3rem;
    }

    .problem-grid,
    .losung-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .vorteil-number {
        font-size: 3rem;
    }

    .cta-title {
        font-size: 1.75rem;
    }

    .cta-subtitle {
        font-size: 1.125rem;
    }

    .form-wrapper {
        padding: 30px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-bg-image {
        opacity: 0.05 !important;
    }

    .pricing-subtitle {
        font-size: 1rem;
        margin-top: -1rem;
        margin-bottom: 3rem;
    }

    .price-number {
        font-size: 2.5rem;
    }

    .video-wrapper iframe {
        height: 300px;
    }

    .pricing-footer {
        gap: 15px;
    }
}