/* 
   Autoankauf Bielefeld - Silver/Gray Premium Design
   Colors:
   Background: #F3F4F6 (Silver/Light Gray)
   Primary (Dark): #111827 (Almost Black/Light Black)
   Secondary (Gray): #4B5563
   Accent (Silver): #E5E7EB
   Cards: #FFFFFF
   Text: #1F2937
*/

:root {
    --bg-page: #F3F4F6;
    --bg-white: #FFFFFF;

    --primary-dark: #111827;
    /* Deep Charcoal/Black */
    --primary-hover: #000000;

    --accent-silver: #9CA3AF;
    /* Metallic Gray */
    --border-silver: #D1D5DB;

    --text-main: #1F2937;
    --text-muted: #6B7280;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);

    --primary-accent: #B45309;
    /* Bronze/Gold from Logo */
    --primary-petrol: #0D9488;
    /* Teal/Petrol Accent */

    --radius-md: 0.5rem;
    /* Standard rounded corners, less playful than previous */
    --radius-lg: 0.75rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.875rem;
    }
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Phone Badge */
.hero-phone-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-accent);
    /* Orange/Gold accent */
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-weight: 800;
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

/* CTA Custom Button */
.cta-button {
    font-size: 1.25rem !important;
    padding: 1rem 2rem !important;
    font-weight: 800 !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
    transition: transform 0.2s;
}

.cta-button:hover {
    transform: scale(1.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    letter-spacing: 0.01em;
}

/* Header Specific CTA - Smaller & Premium */
header .btn {
    padding: 0.5rem 1.25rem !important;
    /* Smaller size for header */
    font-size: 0.9rem !important;
}

.btn-primary {
    background-color: var(--primary-dark);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Premium Accent Button (Gold/Bronze) - Outline Style */
.btn-accent {
    background-color: transparent;
    color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
    box-shadow: none;
}

.btn-accent:hover {
    background-color: var(--primary-accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Success button changed to a "Dark Green" or just keep Dark Theme?
   Let's keep primary dark, and make WhatsApp Button distinct but classy.
*/
.btn-success {
    background-color: #059669;
    /* Classy Emerald Green */
    color: #fff;
}

.btn-success:hover {
    background-color: #047857;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-dark);
    color: var(--primary-dark);
}

.btn-outline:hover {
    background-color: var(--primary-dark);
    color: #fff;
}

.text-center {
    text-align: center;
}

.py-5 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* Header */
header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-silver);
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: #B45309;
    /* Premium Bronze/Gold Accent */
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero */
.hero {
    position: relative;
    padding: 5rem 0 6rem 0;
    /* Dark Premium Background */
    background-color: var(--primary-dark);
    color: #fff;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    color: #fff;
}

.hero-content h1 span {
    color: #9CA3AF;
    /* Light Silver */
}

.hero-subline {
    font-size: 1.25rem;
    color: #D1D5DB;
    /* Light Gray */
    margin-bottom: 2.5rem;
}

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

/* Form Card - Premium Look */
.hero-form-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-silver);
}

.hero-form-card h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border-silver);
    border-radius: var(--radius-md);
    background-color: #F9FAFB;
    color: var(--text-main);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    background-color: #fff;
    border-color: var(--primary-dark);
}

.form-full {
    grid-column: 1 / -1;
}

.trust-badges {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.check-icon {
    color: var(--primary-dark);
    font-weight: bold;
    margin-right: 0.25rem;
}

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-content {
        text-align: center;
    }
}

/* Trust Bar */
.trust-bar {
    background-color: var(--primary-dark);
    color: #9CA3AF;
    /* Light Silver text */
    padding: 1.5rem 0;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.trust-bar-inner {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-bar span {
    color: #E5E7EB;
}

/* Whiter text for items */

/* Section Common */
.local-section {
    background-color: var(--bg-white);
}

.local-text {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 1.15rem;
}

/* Process */
.process-section {
    background-color: var(--bg-page);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.process-card {
    text-align: center;
    padding: 2rem;
    /* Optional: minimal border */
    border: 1px solid transparent;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-dark);
    color: #fff;
    border-radius: 50%;
    /* Circle */
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
    font-size: 1.25rem;
}

/* Vehicle Types */
.vehicles-section {
    background-color: var(--bg-page);
}

.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.vehicle-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border-silver);
    transition: all 0.2s;
}

.vehicle-card:hover {
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.vehicle-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--text-main);
    /* Black icons */
}

/* FAQ */
.faq-section {
    background-color: var(--bg-white);
}

.faq-item {
    border-bottom: 1px solid var(--border-silver);
}

details>summary {
    padding: 1.25rem 0;
    font-weight: 600;
    color: var(--primary-dark);
}

.faq-answer {
    color: var(--text-muted);
    padding-bottom: 1.25rem;
}

/* CTA End */
.cta-section {
    background-color: var(--primary-dark);
    /* Black background */
    color: #fff;
}

.cta-section h2 {
    color: #fff;
}

.cta-buttons .btn-outline {
    border-color: #fff;
    color: #fff;
}

.cta-buttons .btn-outline:hover {
    background-color: #fff;
    color: var(--primary-dark);
}

/* Footer */
footer {
    background-color: #F3F4F6;
    /* Light footer */
    color: var(--text-muted);
    border-top: 1px solid var(--border-silver);
    padding: 4rem 0;
}

.footer-col h4 {
    color: var(--primary-dark);
}

.footer-bottom {
    margin-top: 3rem;
    border-top: 1px solid #E5E7EB;
    padding-top: 1.5rem;
    font-size: 0.875rem;
}

/* 
   ---------------------------
   Navigation & Mobile Styles
   ---------------------------
*/

/* Desktop Nav */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.desktop-nav a {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.95rem;
}

.desktop-nav a:hover {
    color: #B45309;
    /* Bronze Hover */
}

/* Hamburger Button (Hidden by default, shown on mobile) */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 2000;
    /* Above overlay */
}

.hamburger-btn span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-dark);
    border-radius: 3px;
    transition: all 0.3s;
}

/* Mobile Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 24, 39, 0.98);
    /* Deep Black/Blue Opacity */
    z-index: 1500;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-overlay nav {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
}

.mobile-menu-overlay a {
    color: #F3F4F6;
    /* Silver text */
    font-size: 1.5rem;
    font-weight: 700;
}

.mobile-menu-overlay a:hover {
    color: #B45309;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
}

/* Utility to stop scrolling when menu is open */
body.no-scroll {
    overflow: hidden;
}

/* Mobile Sticky Bar (Hidden on Desktop) */
.mobile-sticky-bar {
    display: none;
    /* Desktop default */
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    padding: 0.75rem 1rem;
    gap: 1rem;
}

.sticky-btn {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-align: center;
    color: white;
}

.sticky-btn.whatsapp {
    background-color: #22C55E;
}

.sticky-btn.phone {
    background-color: var(--primary-dark);
}


/* Media Queries for Mobile Responsiveness */
@media (max-width: 900px) {
    .desktop-nav {
        display: none;
        /* Hide Desktop Nav */
    }

    .hamburger-btn {
        display: flex;
    }

    .mobile-sticky-bar {
        display: flex;
    }

    .trust-badge {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding-right: 1.5rem;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }

    .trust-badge:last-child {
        border-right: none;
    }

    .trust-badge-icon {
        font-size: 1.5rem;
        color: var(--primary-accent);
    }

    .trust-badge-text div:first-child {
        font-weight: 700;
        color: #fff;
        line-height: 1.2;
    }

    .trust-badge-text div:last-child {
        font-size: 0.85rem;
        color: #D1D5DB;
        /* Light Gray */
    }
}

@media (max-width: 600px) {
    .trust-badge {
        border-right: none;
        width: 100%;
        padding-bottom: 1rem;
    }
}