/* bbic GmbH - Modern Swiss Design */

/* ===== CSS VARIABLES ===== */
:root {
    --color-primary: #1a3a52;
    --color-secondary: #2c5f7c;
    --color-accent: #e74c3c;
    --color-text: #2c3e50;
    --color-text-light: #6c7a89;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-bg-dark: #1a3a52;
    --color-border: #e1e8ed;
    --color-white: #ffffff;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Source Sans Pro', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --border-radius: 4px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
    list-style: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1rem, 2vw, 1.25rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.text-large {
    font-size: 1.125rem;
}

.text-small {
    font-size: 0.875rem;
}

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

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo img {
    height: 50px;
    width: auto;
}

.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-list {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-secondary);
}

.nav-link::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../img/Data_center_server_racks_IT_modern_hardware_server_28.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

/* ===== CARDS ===== */
.card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    margin-bottom: var(--spacing-sm);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--color-white);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

/* ===== FEATURE CARDS ===== */
.feature-card {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.feature-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
}

/* ===== STATS SECTION ===== */
.stats {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== TEAM CARDS ===== */
.team-card {
    text-align: center;
}

.team-card-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-md);
    border: 4px solid var(--color-bg-alt);
}

.team-card-name {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.team-card-role {
    color: var(--color-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

/* ===== PROJECT CARDS ===== */
.project-card {
    overflow: hidden;
    padding: 0;
}

.project-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    margin-bottom: 0;
}

.project-card-content {
    padding: var(--spacing-md);
}

.project-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    background-color: var(--color-bg-alt);
    border-radius: 20px;
    color: var(--color-text-light);
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.contact-map {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.contact-map iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(44, 95, 124, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-title {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
}

.page-header-breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ===== BREADCRUMBS ===== */
.breadcrumb-link {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-link:hover {
    color: var(--color-white);
}

.breadcrumb-separator {
    opacity: 0.5;
}

/* ===== UTILITY CLASSES ===== */
.text-primary {
    color: var(--color-primary);
}

.text-accent {
    color: var(--color-accent);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 640px) {
    :root {
        --spacing-xs: 0.5rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

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

    .stats {
        padding: var(--spacing-md) 0;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .footer,
    .btn {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }
}

/* ===== ACCESSIBILITY ===== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* FOCUS STYLES */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}