/*
   HM Buchhaltungsservice
   Modern Professional Design System
*/

:root {
    --primary-color: #0A192F;
    --accent-color: #D4AF37;
    --accent-hover: #F2C94C;
    --text-color: #333333;
    --text-muted: #666666;
    --bg-color: #F8F9FA;
    --white: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --header-h: 82px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Roboto", "Helvetica Neue", Arial, sans-serif;
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: clamp(1.3rem, 3vw, 1.6rem);
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 1.8;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
    border-color: #25D366;
}

.btn-whatsapp:hover {
    background: #20BA5A;
    border-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

header .logo img {
    height: 45px;
    width: auto;
}

header .nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

header .nav-links a {
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

header .nav-links a:hover {
    color: var(--accent-color);
}

.nav-btn-contact {
    background: var(--accent-color);
    color: var(--primary-color) !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
}

.nav-btn-contact:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger .bar {
    width: 28px;
    height: 3px;
	margin-right: 30px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(0px, 0px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(11.5px, -11.5px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4f 100%);
    background-image: url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: var(--header-h);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.9) 0%, rgba(10, 25, 47, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    color: var(--white);
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Services Section */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

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

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

.service-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-content p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 0;
}

/* Benefits Section */
.benefits {
    background: var(--bg-color);
}

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

.benefit-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 50%;
}

.benefit-icon svg {
    stroke: var(--primary-color);
}

.benefit-card h3 {
    margin-bottom: 1rem;
}

.benefit-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Process Section */
.process {
    background: var(--white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.process-number {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4f 100%);
    color: var(--accent-color);
    font-size: 2rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.process-step h3 {
    margin-bottom: 1rem;
}

.process-step p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* About Section */
.about {
    background: var(--bg-color);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* FAQ Section */
.faq {
    background: var(--white);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-container details {
    background: var(--white);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-container details:hover {
    border-color: var(--accent-color);
}

.faq-container details[open] {
    border-color: var(--accent-color);
}

.faq-container summary {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-container summary:hover {
    background: var(--bg-color);
}

.faq-icon::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    transition: var(--transition);
}

details[open] .faq-icon::after {
    content: '−';
}

.faq-container details p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    margin-bottom: 0;
    color: var(--text-muted);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background: var(--bg-color);
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-item svg {
    flex-shrink: 0;
    stroke: var(--accent-color);
    margin-top: 4px;
}

.contact-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--text-muted);
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--accent-color);
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group label {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    flex-shrink: 0;
    cursor: pointer;
}

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

.contact-form button[type="submit"] {
    width: 100%;
    border: none;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-logo img {
    height: 70px;
    width: auto;
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Fade-in Animation */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    header .nav-links {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: var(--transition);
    }

    header .nav-links.active {
        transform: translateX(0);
    }

    .hero {
        background-attachment: scroll;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

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

    .contact-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
	
	.footer-content {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.footer-logo {
		display: flex;
		flex-direction: column;
		align-items: center; 
		justify-content: center;
		margin-bottom: 20px;
	}

	.footer-logo img {
		margin: 0 auto;
		display: block;
		margin-bottom: 20px;
	}

    .section-padding {
        padding: 60px 0;
    }
}

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

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .service-image {
        height: 200px;
    }

    .contact-form {
        padding: 1.5rem;
    }
}