/* LTT 3D Tool - Main Stylesheet */
/* Corporate Design basierend auf ltt-versand.de */

:root {
    /* LTT Corporate Design - Primärfarben (von ltt-versand.de) */
    --ltt-red: #C21C1F;         /* Bordeaux-Rot (Hauptfarbe) */
    --ltt-red-dark: #9A1719;    /* Dunkleres Bordeaux */
    --ltt-red-light: #D32F32;   /* Helleres Bordeaux für Hover */
    --ltt-red-hover: #A81B1E;   /* Hover-Zustand */
    
    /* Header/Footer Farben */
    --header-bg: #3d3d3d;       /* Dunkelgrau Header */
    --footer-bg: #3d3d3d;       /* Dunkelgrau Footer */
    --navbar-bg: #3d3d3d;       /* Navbar Hintergrund */
    
    /* Hauptfarben */
    --primary-color: #3d3d3d;   /* Dunkelgrau */
    --secondary-color: #555555; /* Mittelgrau */
    --accent-color: #C21C1F;    /* Bordeaux-Rot */
    --accent-hover: #A81B1E;    /* Hover-Bordeaux */
    
    /* Status-Farben */
    --success-color: #27AE60;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --info-color: #3498DB;
    
    /* Neutrale Farben */
    --light-color: #F5F5F5;
    --dark-color: #2b2b2b;
    
    /* Graustufen */
    --gray-100: #F8F9FA;
    --gray-200: #EFEFEF;
    --gray-300: #DDDDDD;
    --gray-400: #AAAAAA;
    --gray-500: #888888;
    --gray-600: #555555;
    --gray-700: #3d3d3d;
    --gray-800: #2b2b2b;
    --gray-900: #1a1a1a;
    
    /* Schriftarten (basierend auf LTT-Versand) */
    --font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    --font-family-heading: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: #333;
    font-size: 14px;
}

/* Skip-Link für Barrierefreiheit (BFSG) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--ltt-red);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 700;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
}

/* Focus-Styles für Barrierefreiheit (BFSG) */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
    outline: 3px solid var(--ltt-red);
    outline-offset: 2px;
}

/* Verbesserte Tastaturnavigation */
*:focus-visible {
    outline: 3px solid var(--ltt-red);
    outline-offset: 2px;
}

/* Überschriften */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
}

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

/* ========== HEADER STRUCTURE (3 Ebenen) ========== */

/* Ebene 1: Top Header */
.top-header {
    background: var(--header-bg);
    padding: 15px 0;
    border-bottom: none;
}

.top-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.top-header-left {
    display: flex;
    align-items: flex-start;
    gap: 6px;
}

.header-logo {
    height: 85px;
    width: auto;
}

.header-slogan {
    color: #ffffff;
    font-size: 18px;
    font-weight: 400;
    padding-top: 2px;
}

.header-slogan-img {
    height: 28px;
    width: auto;
}

.header-3d-tool {
    color: #ffffff;
    font-size: 56px;
    font-weight: 400;
    font-family: 'Bebas Neue', Arial, sans-serif;
    letter-spacing: 4px;
    margin-left: 15px;
    align-self: flex-start;
}

.red-3d {
    color: var(--ltt-red);
    font-weight: 700;
}

.top-header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Sprachauswahl in Navigation - Vertikal zentriert */
.nav-language {
    margin-left: 30px;
    display: flex;
    align-items: center;
}

.language-selector-nav {
    background: rgba(0, 0, 0, 0.3);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    font-family: Arial, sans-serif;
    min-width: 100px;
}

.language-selector-nav:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--ltt-red);
}

.language-selector-nav:focus {
    outline: 2px solid var(--ltt-red);
    outline-offset: 1px;
}

.language-selector-nav option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 8px;
}

.header-icons {
    display: flex;
    gap: 15px;
}

.header-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #ffffff;
    text-decoration: none;
    font-size: 11px;
    transition: color 0.3s;
}

.header-icon:hover {
    color: var(--ltt-red-light);
}

.header-icon span:first-child {
    font-size: 20px;
    margin-bottom: 2px;
}

.icon-label {
    font-size: 10px;
}

/* Ebene 2: Main Navigation (Tiefschwarz) */
.main-navbar {
    background: #1a1a1a;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    border-bottom: 5px solid #C21C1F;
}

.main-navbar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.main-nav-menu {
    display: flex;
    list-style: none;
    margin: 0 auto;
    padding: 0;
    gap: 0;
    justify-content: center;
}

.main-nav-menu li {
    margin: 0;
    display: flex;
    align-items: center;
}

.main-nav-menu a {
    display: block;
    padding: 6px 18px;
    color: #ffffff;
    text-decoration: none;
    font-size: 26px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: 'Bebas Neue', Arial, sans-serif;
    transition: color 0.3s;
    border-bottom: none;
}

.main-nav-menu a:hover {
    color: var(--ltt-red);
    background: transparent;
}

/* Login/Register haben gleichen Style wie normale Nav-Links - keine Button-Styles */
.nav-btn-login,
.nav-btn-register {
    background: transparent !important;
    color: #ffffff !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 6px 18px !important;
    border: none !important;
    font-size: 26px !important;
    font-family: 'Bebas Neue', Arial, sans-serif !important;
    font-weight: 400 !important;
}

.nav-btn-login:hover,
.nav-btn-register:hover {
    background: transparent !important;
    color: var(--ltt-red) !important;
}

/* Ebene 3: Key Facts Banner (Hellgrau) - STICKY unter Navigation + roter Strich */
.key-facts-banner {
    background: #e5e5e5;
    padding: 8px 0;
    border-bottom: 1px solid #ccc;
    position: sticky;
    top: 54px;
    z-index: 998;
    margin-top: 0;
}

.key-facts {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.key-fact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #777;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.fact-icon {
    color: #888;
    font-size: 16px;
    font-weight: normal;
    filter: grayscale(100%);
}

.key-fact strong {
    color: #000;
    font-weight: 700;
}

/* Hamburger Menu */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    background: transparent;
    border: none;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--ltt-red);
    color: white;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--ltt-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(210, 8, 15, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-400);
}

.btn-secondary:hover {
    background: var(--gray-700);
    color: white;
    border-color: var(--gray-700);
}

.btn-login {
    color: var(--accent-color);
    font-weight: 600;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-300);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: #333;
}


.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-buttons .btn {
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.hero-buttons .btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-400);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* Features Overview */
.features-overview {
    padding: 2.5rem 0;
    background: var(--light-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--ltt-red);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 0.8rem;
    box-shadow: 0 2px 8px rgba(210, 8, 15, 0.3);
}

.step h3 {
    margin-bottom: 0.8rem;
    color: #333;
    font-size: 1.3rem;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* Brands Section */
.brands {
    padding: 5rem 0;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.brand-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
}

.brand-card img {
    height: 80px;
    margin-bottom: 1rem;
}

.brand-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.brand-card p {
    color: #666;
    margin-bottom: 1rem;
}

.btn-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.btn-link:hover {
    text-decoration: underline;
}

/* Demo Section */
.demo-section {
    padding: 2.5rem 0;
    background: var(--light-color);
}

.demo-video {
    max-width: 700px;
    aspect-ratio: 16/10;
    margin: 0 auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.demo-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Key Features - Kompakter */
.key-features {
    padding: 2.5rem 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.feature {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s;
}

.feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.feature h3 {
    color: #333;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* CTA Section */
.cta {
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--ltt-red), var(--ltt-red-dark));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* CTA Button - Weißer Button auf rotem Hintergrund für bessere Lesbarkeit */
.cta .btn-primary {
    background: #ffffff;
    color: var(--ltt-red);
    font-weight: 700;
    border: 3px solid #ffffff;
}

.cta .btn-primary:hover {
    background: var(--ltt-red-light);
    color: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

/* ========== BRANDS FOOTER SECTION (Grauer Bereich mit Marken) ========== */
.brands-footer {
    background: #c0c0c0;
    padding: 22px 0;
    border-top: 1px solid #d0d0d0;
    border-bottom: 1px solid #b0b0b0;
}

.brands-footer-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 40px;
}

.brands-footer-title {
    color: #333;
    font-size: 0.85rem;
    margin: 0;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.brands-footer-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: nowrap;
}

.brand-footer-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
    opacity: 0.85;
    transition: all 0.3s;
}

.brand-footer-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ========== FOOTER NEW (Schwarzer Footer mit 4 Spalten) ========== */
.footer-new {
    background: #1a1a1a;
    color: #cccccc;
    padding: 50px 0 20px;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-title {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.footer-title-icon {
    color: transparent;
    font-weight: 900;
    font-size: 22px;
    display: inline-block;
    line-height: 1;
    width: 6px;
    height: 20px;
    text-align: center;
    background: var(--ltt-red);
}

.footer-label {
    color: #999;
    font-size: 15px;
    margin-bottom: 5px;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.footer-phone a {
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 10px;
}

.footer-phone a:hover {
    color: var(--ltt-red-light);
}

.footer-hours {
    color: #cccccc;
    font-size: 13px;
    margin-bottom: 15px;
}

.footer-hours strong {
    color: #ffffff;
    font-weight: 700;
}

.footer-contact-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-email,
.footer-whatsapp {
    color: #cccccc;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.contact-icon {
    width: 20px;
    height: 20px;
    opacity: 0.9;
}

.footer-email:hover,
.footer-whatsapp:hover {
    color: var(--ltt-red-light);
}

.footer-email:hover .contact-icon,
.footer-whatsapp:hover .contact-icon {
    opacity: 1;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cccccc;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-weight: 400;
}

.footer-links a:hover {
    color: var(--ltt-red-light);
}

.footer-rating {
    margin-top: 10px;
}

.rating-stars {
    font-size: 18px;
    display: block;
    margin-bottom: 8px;
}

.rating-score {
    color: #ffffff;
    font-size: 16px;
    margin: 0;
}

.footer-bottom-new {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #777;
    font-size: 12px;
}

/* Legacy Footer Styles (für Kompatibilität) */
.footer {
    background: var(--footer-bg);
    color: #ffffff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 700;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--ltt-red-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Horizontales Scrolling verhindern */
    html, body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    /* Top Header responsive - Kompaktes Layout */
    .top-header {
        padding: 10px 0; /* Weniger Padding oben/unten */
    }
    
    .top-header-left {
        flex-direction: row;
        align-items: flex-start; /* OBEN ausrichten, nicht center! */
        gap: 12px; /* Enger zusammen */
    }
    
    .header-logo {
        height: 45px; /* Etwas kleiner */
        flex-shrink: 0;
    }
    
    .header-slogan {
        font-size: 14px;
        margin-top: 0;
        padding-top: 0;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-slogan-img {
        height: 16px;
        display: block;
        margin: 0 0 3px 0; /* Kein Top-Margin! */
    }
    
    .header-3d-tool {
        font-size: 35px; /* 5% kleiner (war 37px) */
        letter-spacing: 1px;
        line-height: 1;
        margin: 0;
        margin-left: -2mm; /* 2mm nach links */
        white-space: nowrap;
    }
    
    /* Main Navigation responsive */
    .nav-toggle {
        display: flex;
    }
    
    .main-nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #1a1a1a;
        display: none;
        box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    }
    
    .main-nav-menu.active {
        display: flex;
    }
    
    .main-nav-menu li {
        margin: 0;
    }
    
    .main-nav-menu a {
        padding: 12px 20px; /* Einheitlicher Abstand */
        border-bottom: 1px solid #2b2b2b;
    }
    
    .main-nav-menu .nav-btn-login,
    .main-nav-menu .nav-btn-register {
        margin: 0; /* Keine Extra-Margins mehr */
        padding: 12px 20px; /* Gleicher Abstand wie normale Links */
        display: block;
        text-align: left;
    }
    
    /* Sprachauswahl im Burger-Menü */
    .nav-language {
        padding: 12px 20px; /* Gleicher Abstand */
        border-bottom: none;
    }
    
    .nav-language select {
        width: 100%;
        padding: 8px;
        font-size: 14px;
        background: #2b2b2b;
        color: white;
        border: 1px solid #444;
        border-radius: 4px;
    }
    
    /* Key Facts Banner auf Mobile komplett ausblenden */
    .key-facts-banner {
        display: none;
    }
    
    .key-facts {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Footer responsive */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-phone a {
        font-size: 18px;
    }
    
    /* Footer-Logos: Scrollbares Carousel auf Mobile */
    .brands-footer-content {
        flex-direction: column;
        gap: 0;
    }
    
    .brands-footer-logos {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 40px; /* Mehr Abstand zum durchscrollen */
        padding: 10px 0;
        -webkit-overflow-scrolling: touch; /* Smooth scrolling auf iOS */
        scrollbar-width: none; /* Firefox */
        justify-content: flex-start; /* Links ausrichten */
    }
    
    .brands-footer-logos::-webkit-scrollbar {
        display: none; /* Chrome/Safari - Scrollbar ausblenden */
    }
    
    .brand-footer-logo {
        height: 35px; /* Mittelgroß (war 30px) */
        flex-shrink: 0; /* Logos nicht verkleinern */
    }
    
    .brands-footer-title {
        display: none; /* "Unterstützte Marken" Text ausblenden auf Mobile */
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        border-radius: 0 0 10px 10px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        gap: 1rem;
        z-index: 1000;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        display: block;
        padding: 0.5rem;
    }
    
    /* Überschriften auf Mobile kleiner */
    h1 {
        font-size: 1.8rem; /* Kleiner (war vermutlich 2.5rem) */
        word-wrap: break-word;
    }
    
    h2 {
        font-size: 1.5rem;
        word-wrap: break-word;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .brand-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 400px;
    }
    
    .brand-logo {
        height: 60px;
        max-width: 150px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature {
        padding: 1.5rem 1rem;
    }
    
    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .demo-video {
        margin: 0 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .features-overview,
    .brands,
    .key-features,
    .demo-section {
        padding: 3rem 0;
    }
    
    .cta {
        padding: 3rem 0;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
}