/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Neue Farben - Blau und Grau */
    --primary-color: #0d4d69;
    --primary-dark: #0a3b52;
    --secondary-color: #0d4d69;
    --accent-color: #0d4d69;
    --text-primary: #0d4d69;
    --text-secondary: #0d4d69;
    --text-light: #6c757d;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-dark: #343a40;
    --border-color: #dee2e6;
    --border-light: #f1f3f4;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: transparent;
    overflow-x: hidden;
    font-size: 18px; /* Größere Grundschrift */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem !important;
    }
    
    .hero {
        padding-top: 1.25rem !important;
        min-height: auto !important;
    }
    
    .hero-visual {
        margin-top: 0 !important;
    }
    
    .partners {
        padding: 3rem 0 !important;
    }
    
    .stats {
        padding: 3rem 0 !important;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 9999;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px; /* Höher für größeres Logo */
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 80px; /* Von 50px auf 80px vergrößert */
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem; /* Größerer Abstand */
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    font-size: 1.25rem; /* Von 1.25rem auf 1.75rem vergrößert - viel größer! */
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* Mobile Navigation */
.nav-menu.active {
    display: flex !important;
    position: fixed;
    top: 100px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    animation: slideDown 0.3s ease;
}

.nav-menu.active a {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    text-align: center;
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu.active a:last-child {
    border-bottom: none;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section - 4cm nach oben gerückt */
.hero {
    min-height: auto;
    display: flex;
    align-items: flex-start;
    background: #fafafa;
    position: relative;
    overflow: hidden;
    padding-top: 0 !important;
    padding-bottom: 2.5rem;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .hero-visual {
        order: -1;
        margin-top: -2rem;
    }
}

.hero-content {
    color: var(--text-primary);
}

.hero-title {
    font-size: 9rem; /* Von 7rem auf 9rem vergrößert - viel größer! */
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 4rem !important;
        line-height: 1;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3rem !important;
    }
}

.hero-subtitle {
    font-size: 2rem; /* Von 2rem auf 2.5rem vergrößert */
    font-weight: 700;
    margin-bottom: 2rem; /* Größerer Abstand */
    color: var(--secondary-color);
    line-height: 1.2;
}

.hero-description {
    font-size: 1.3rem; /* Von 1.25rem auf 1.5rem vergrößert */
    color: var(--text-secondary);
    margin-bottom: 2.5rem; /* Größerer Abstand */
    line-height: 1.3;
    font-weight: 300;
}

.hero-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Größerer Abstand */
    margin-bottom: 3rem; /* Größerer Abstand */
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem; /* Größerer Abstand */
    padding: 1.5rem; /* Größerer Padding */
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent-color);
}

.highlight i {
    color: var(--accent-color);
    font-size: 1.5rem; /* Von 1.25rem auf 1.5rem vergrößert */
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.highlight span {
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.5;
    font-size: 1.4rem; /* Von 1.25rem auf 1.5rem vergrößert */
}

.highlight strong {
    color: var(--primary-color);
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem; /* Größerer Abstand */
    flex-wrap: nowrap; /* Kein Umbruch - Buttons in einer Zeile */
}

.btn {
    padding: 1.5rem 2.5rem; /* Größerer Padding */
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 1rem; /* Größerer Abstand */
    border: none;
    cursor: pointer;
    font-size: 1.25rem; /* Von 1rem auf 1.25rem vergrößert */
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap; /* Verhindert Textumbruch */
}

@media (max-width: 768px) {
    .btn {
        display: block !important;
        width: 100% !important;
        margin-bottom: 1rem !important;
        padding: 1.25rem 2rem !important;
        font-size: 1.125rem !important;
        justify-content: center;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    margin-top: -3rem; /* 3cm nach oben für Kreissegmente */
}

.xml-flow-diagram {
    display: flex;
    align-items: center;
    gap: 3rem; /* Größerer Abstand */
    background: white;
    padding: 4rem 3.5rem; /* Höherer Bereich - mehr vertikales Padding */
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--border-light);
    min-height: 200px; /* Mindesthöhe für bessere Proportionen */
    margin-bottom: 2rem; /* Abstand zu den Highlights darunter */
    width: 100%;
    box-sizing: border-box; /* Padding wird in die Breite eingerechnet */
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .xml-flow-diagram {
        flex-direction: column !important;
        padding: 2rem 1.5rem !important;
        gap: 1.5rem !important;
        min-height: auto !important;
        text-align: center;
    }
    
    .flow-step {
        gap: 1rem !important;
    }
    
    .step-icon {
        width: 70px !important;
        height: 70px !important;
        font-size: 1.8rem !important;
    }
    
    .flow-arrow {
        width: 40px !important;
        height: 40px !important;
        transform: rotate(90deg) !important;
    }
    
    .flow-arrow::before {
        font-size: 12px !important;
        top: 0 !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem; /* Größerer Abstand */
    text-align: center;
}

.step-icon {
    width: 103.5px; /* Von 90px auf 103.5px (15% größer) */
    height: 103.5px; /* Von 90px auf 103.5px (15% größer) */
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.6rem; /* Von 2.25rem auf 2.6rem (15% größer) */
    box-shadow: var(--shadow-lg);
    animation: pulse 3s infinite;
}

/* Unterschiedliche Farben für die Kreise mit verstärktem Glowing */
.step-icon.kunde {
    background: #ff6b35; /* Orange für Kunde */
    box-shadow: 0 0 20px #ff6b35, 0 0 40px #ff6b35, 0 0 60px #ff6b35; /* Verstärktes Orange-Glowing */
}

.step-icon.stream {
    background: #6c757d; /* Grau für XML Stream */
    box-shadow: 0 0 20px #6c757d, 0 0 40px #6c757d, 0 0 60px #6c757d; /* Verstärktes Grau-Glowing */
}

.step-icon.sozpaed {
    background: var(--primary-color); /* Blau für sozpaed.net */
    box-shadow: 0 0 20px var(--primary-color), 0 0 40px var(--primary-color), 0 0 60px var(--primary-color); /* Verstärktes Blau-Glowing */
}

.flow-step span {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.5rem; /* Von 1.75rem auf 1.5rem verkleinert */
    text-transform: none; /* Keine Großbuchstaben mehr */
    letter-spacing: 0.5px;
    white-space: nowrap; /* Texte in einer Zeile */
}

/* 4 kleine Pfeile nebeneinander mit Glowing-Effekt */
.flow-arrow {
    position: relative;
    width: 80px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.flow-arrow::before {
    content: '→ → → →';
    position: absolute;
    left: 0;
    top: -21px; /* Von -17px auf -21px (weitere 4mm nach oben) */
    font-size: 16px;
    color: var(--primary-color);
    text-shadow: 0 0 8px var(--primary-color);
    animation: dataFlow 2s infinite;
}

/* Pfeile passen sich der Farbe des vorherigen Kreises an */
.flow-arrow:nth-child(2)::before {
    color: #ff6b35; /* Orange wie der Kunde-Kreis */
    text-shadow: 0 0 8px #ff6b35;
}

.flow-arrow:nth-child(4)::before {
    color: #6c757d; /* Grau wie der Stream-Kreis */
    text-shadow: 0 0 8px #6c757d;
}

/* Animation startet beim Kunden und läuft zu sozpaed.net */
.flow-arrow:nth-child(2)::before {
    animation: dataFlow 2s infinite;
}

.flow-arrow:nth-child(4)::before {
    animation: dataFlow 2s infinite 1s; /* Verzögerung für den zweiten Pfeil */
}

/* Datenfluss-Animation mit stärkerem Glowing */
@keyframes dataFlow {
    0% {
        color: var(--primary-color);
        text-shadow: 0 0 8px var(--primary-color), 0 0 16px var(--primary-color);
    }
    50% {
        color: var(--secondary-color);
        text-shadow: 0 0 12px var(--secondary-color), 0 0 24px var(--secondary-color);
    }
    100% {
        color: var(--primary-color);
        text-shadow: 0 0 8px var(--primary-color), 0 0 16px var(--primary-color);
    }
}

/* Zusätzliche Animation für die Icons */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-lg);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 20px var(--primary-color);
    }
}

.hero-highlights-below {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Größerer Abstand */
    width: 100%;
    max-width: 100%; /* Volle Breite des Flow-Diagramms */
    align-items: flex-start; /* Linksbündig mit den Kreissegmenten */
    padding: 0 3.5rem; /* Gleiche horizontale Abstände wie xml-flow-diagram */
    box-sizing: border-box; /* Padding wird in die Breite eingerechnet */
    margin: 0 auto; /* Zentriert den gesamten Bereich */
}



@media (max-width: 768px) {
    .hero-highlights-below {
        padding: 0 1.5rem !important;
        gap: 1rem !important;
        align-items: center !important;
        text-align: center !important;
    }
    
    .highlight {
        text-align: center !important;
        flex-direction: column !important;
        gap: 1rem !important;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 5rem; /* Von 4rem auf 5rem vergrößert */
    position: relative;
    padding: 2rem 0;
}

.section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-header h2 {
    font-size: 4.5rem; /* Von 3.5rem auf 4.5rem vergrößert */
    font-weight: 900;
    margin-bottom: 1.5rem; /* Größerer Abstand */
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 2rem; /* Von 1.5rem auf 2rem vergrößert */
    color: var(--text-secondary);
    max-width: 700px; /* Größere Breite */
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 500;
}

.section-header p.spn26-stream-partners-subtitle {
    white-space: normal;
    max-width: none;
    font-size: clamp(1rem, 2.2vw, 2rem);
}

@media (min-width: 768px) {
    .section-header p.spn26-stream-partners-subtitle {
        white-space: nowrap;
    }
}

/* Partners Section - nach oben gerückt */
.partners {
    padding: 2.5rem 0 5rem;
    background: #fafafa;
    position: relative;
    overflow: hidden;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e9ecef" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0;
    z-index: 1;
}

.partners .container {
    position: relative;
    z-index: 2;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); /* Von 400px auf 450px vergrößert */
    gap: 2.5rem; /* Von 2rem auf 2.5rem vergrößert */
}

@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    
    .partner-card {
        padding: 2rem !important;
    }
}

.partner-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 3rem; /* Von 2.5rem auf 3rem vergrößert */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.partner-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s ease;
}

.partner-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.95);
}

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

.partner-card:hover::after {
    transform: rotate(45deg) translateX(100%);
}

.partner-header {
    display: flex;
    justify-content: flex-end; /* Badge nach rechts */
    align-items: flex-start;
    margin-bottom: 2rem; /* Von 1.5rem auf 2rem vergrößert */
}

.partner-badge {
    background: linear-gradient(135deg, #0d4d69 0%, #156b91 50%, #0a3b52 100%);
    color: white;
    padding: 0.75rem 1.5rem; /* Größerer Padding */
    border-radius: var(--radius-sm);
    font-size: 1rem; /* Von 0.875rem auf 1rem vergrößert */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgb(13 77 105 / 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.partner-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.partner-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgb(13 77 105 / 0.4);
}

.partner-badge:hover::before {
    left: 100%;
}

.partner-content h3 {
    font-size: 2.25rem; /* Von 1.75rem auf 2.25rem vergrößert */
    font-weight: 700;
    margin-bottom: 1.5rem; /* Von 1rem auf 1.5rem vergrößert */
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    transition: all 0.3s ease;
}

.partner-content h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.4s ease;
    border-radius: 2px;
}

.partner-card:hover .partner-content h3::after {
    width: 100%;
}

.partner-card:hover .partner-content h3 {
    color: var(--primary-color);
    transform: translateX(5px);
}

.partner-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.375rem; /* Von 1.125rem auf 1.375rem vergrößert */
    transition: all 0.3s ease;
    position: relative;
}

.partner-description strong {
    color: var(--primary-color);
    font-weight: 700;
    transition: all 0.3s ease;
}

.partner-card:hover .partner-description {
    color: var(--text-primary);
}

.partner-card:hover .partner-description strong {
    color: var(--accent-color);
    text-shadow: 0 0 8px rgba(73, 80, 87, 0.3);
}

/* Stats Section */
.stats {
    padding: 5rem 0; /* Von 4rem auf 5rem vergrößert */
    background: var(--primary-color);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Von 200px auf 250px vergrößert */
    gap: 4rem; /* Von 3rem auf 4rem vergrößert */
    text-align: center;
}

.stat-item {
    padding: 3rem; /* Von 2rem auf 3rem vergrößert */
}

.stat-number {
    font-size: 5rem; /* Von 4rem auf 5rem vergrößert */
    font-weight: 900;
    margin-bottom: 1rem; /* Von 0.5rem auf 1rem vergrößert */
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1.5rem; /* Von 1.25rem auf 1.5rem vergrößert */
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.back-to-top-btn {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(36, 150, 202, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top-btn:hover {
    background: #1a7aa8;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(36, 150, 202, 0.4);
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn i {
    font-size: 14px;
    line-height: 1;
}

.back-to-top-btn i:first-child {
    margin-bottom: -2px;
}

.back-to-top-btn i:last-child {
    margin-top: -2px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero-title {
        font-size: 7rem;
    }
    
    .xml-flow-diagram {
        padding: 3rem 2.5rem;
        gap: 2.5rem;
    }
    
    .step-icon {
        width: 90px;
        height: 90px;
        font-size: 2.2rem;
    }
}

@media (max-width: 1024px) {
    .hero-container {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 6rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.25rem;
    }
    
    .section-header h2 {
        font-size: 3.5rem;
    }
    
    .section-header p {
        font-size: 1.5rem;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 2rem;
    }
    
    .xml-flow-diagram {
        padding: 2.5rem;
        gap: 2rem;
    }
    
    .step-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .flow-arrow {
        width: 60px;
    }
    
    .flow-arrow::before {
        font-size: 14px;
        top: -18px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-header h2 {
        font-size: 3rem;
    }
    
    .section-header p {
        font-size: 1.25rem;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .partner-card {
        padding: 2rem;
    }
    
    .xml-flow-diagram {
        flex-direction: column;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
        min-height: auto;
    }
    
    .flow-step {
        gap: 1rem;
    }
    
    .step-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    .flow-arrow {
        width: 40px;
        height: 40px;
        transform: rotate(90deg);
    }
    
    .flow-arrow::before {
        font-size: 12px;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hero-highlights-below {
        padding: 0 1.5rem;
        gap: 1rem;
    }
    
    .highlight {
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 4rem;
    }
    
    .stat-label {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .section-header p {
        font-size: 1.125rem;
    }
    
    .xml-flow-diagram {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1rem;
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        width: 30px;
        height: 30px;
    }
    
    .flow-arrow::before {
        font-size: 10px;
    }
    
    .partner-card {
        padding: 1.5rem;
    }
    
    .partner-content h3 {
        font-size: 1.75rem;
    }
    
    .partner-description {
        font-size: 1.125rem;
    }
    
    .btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 3.5rem;
    }
    
    .stat-label {
        font-size: 1.125rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top-btn {
        width: 50px;
        height: 50px;
    }
    
    .back-to-top-btn i {
        font-size: 12px;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .partner-card {
        padding: 1rem;
    }
    
    .xml-flow-diagram {
        padding: 1rem 0.75rem;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}