/* ============================================
   Neumann IT Solutions - Stylesheet
   ============================================ */

:root {
    --color-primary: #1a2a4a;
    --color-primary-dark: #0f1a30;
    --color-primary-light: #2a3f6a;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-border: #e5e7eb;
    --color-border-light: #f1f5f9;
    --color-card-bg: #ffffff;

    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --container-max: 1200px;
    --container-padding: 1.5rem;

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img, svg {
    display: block;
    max-width: 100%;
}

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

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 104px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.01em;
}

.logo:hover {
    color: var(--color-primary);
}

.logo-image {
    display: block;
    height: auto;
    max-width: 100%;
}

.logo-image-header {
    width: 300px;
}

.logo-image-footer {
    width: 300px;
}

.footer-logo {
    display: inline-flex;
    max-width: 100%;
}


.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-link {
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    margin-left: 0.5rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
    border-radius: 1px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

.btn-outline:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-muted);
    color: var(--color-primary);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Hero */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background-color: var(--color-primary);
    color: white;
    overflow: hidden;
}

.hero-accent {
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%;
    height: 200%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

.hero-actions .btn-outline {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-actions .btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Trust Block */
.trust {
    padding: 60px 0;
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
}

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

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.trust-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: white;
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.trust-icon svg {
    width: 20px;
    height: 20px;
}

.trust-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.4;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header-left {
    text-align: left;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

/* Services */
.services {
    padding: 100px 0;
    background-color: var(--color-bg);
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.cards-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.card-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.card-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.625rem;
    background-color: var(--color-bg-alt);
    color: var(--color-accent);
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.card-product .card-title {
    margin-bottom: 0.875rem;
}

.card-links {
    margin-top: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.link-external {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
}

.link-external:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* Products */
.products {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

/* About */
.about {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.about-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
}


.about-profile {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 260px;
    margin-left: auto;
}

.profile-image-wrap {
    width: 100%;
    max-width: 260px;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    background-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.profile-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

.profile-caption {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    width: 100%;
    max-width: 260px;
    padding: 1rem 1.25rem;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
}

.profile-caption strong {
    color: var(--color-primary);
    font-size: 1rem;
}

.profile-caption span {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.about-meta {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.meta-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Process */
.process {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

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

.process-step {
    position: relative;
    padding: 2rem;
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.process-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: 1rem;
}

.process-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.process-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 18px;
    height: 18px;
}

.contact-item-body {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    padding-top: 0.25rem;
}

.contact-item-body a {
    color: var(--color-accent);
    font-weight: 500;
}

/* Contact Form */
.contact-form-wrapper {
    padding: 2.5rem;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-textarea {
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--color-text);
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-actions {
    margin-top: 0.5rem;
}

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

.form-note a {
    color: var(--color-accent);
}


/* Contact direct card */
.contact-direct {
    padding: 2.5rem;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.contact-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.875rem;
}

.contact-card-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.contact-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 0.75rem;
}

.footer-brand .logo-image-footer {
    opacity: 1;
}

.footer-brand .logo:hover {
    color: white;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: white;
    margin-bottom: 1.25rem;
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-list a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-domains {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-sep {
    color: rgba(255, 255, 255, 0.2);
}

/* Legal Pages */
.legal-page {
    padding: 140px 0 80px;
    background-color: var(--color-bg);
    min-height: 100vh;
}

.legal-page .container {
    max-width: 800px;
}

.legal-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 2.5rem;
    letter-spacing: -0.02em;
}

.legal-section {
    margin-bottom: 2.5rem;
}

.legal-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.875rem;
}

.legal-section p,
.legal-section li {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 0.625rem;
}

.legal-section ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-section a {
    color: var(--color-accent);
    word-break: break-all;
}

.legal-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-accent);
}

.legal-back:hover {
    color: var(--color-accent-hover);
}


/* Tools page */
.tools-page .products {
    padding-top: 140px;
}

.tools-intro {
    max-width: 780px;
    margin: 0 auto 3rem;
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.card-list li {
    position: relative;
    padding-left: 1rem;
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.55;
}

.card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    border-radius: 9999px;
    background-color: var(--color-accent);
}

.tools-note {
    margin-top: 3rem;
    padding: 2rem;
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
}

.tools-note p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .cards-grid,
    .cards-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-profile {
        max-width: 240px;
        margin-left: 0;
    }

    .profile-image-wrap,
    .profile-caption {
        max-width: 240px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .logo-image-header {
        width: 250px;
    }

    .logo-image-footer {
        width: 250px;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        bottom: auto;
        height: calc(100vh - 104px);
        height: calc(100dvh - 104px);
        z-index: 1001;
        background-color: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem var(--container-padding) 2rem;
        gap: 0;
        overflow-y: auto;
        overscroll-behavior: contain;
        transform: translateX(100%);
        visibility: hidden;
        pointer-events: none;
        transition:
            transform var(--transition-base),
            visibility 0s linear var(--transition-base);
    }

    .nav.active {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
        transition-delay: 0s;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 1rem 0;
        font-size: 1.125rem;
        border-bottom: 1px solid var(--color-border-light);
    }

    .nav-link::after {
        display: none;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 1.5rem;
        width: 100%;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .cards-grid,
    .cards-grid-3 {
        grid-template-columns: 1fr;
    }

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

    .trust-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .trust-item {
        gap: 0.75rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .services,
    .products,
    .about,
    .process,
    .contact {
        padding: 64px 0;
    }
}

@media (max-width: 480px) {

    .logo-image-header {
        width: 230px;
    }

    .logo-image-footer {
        width: 230px;
    }

    :root {
        --container-padding: 1rem;
    }

    .hero-title {
        font-size: 1.625rem;
    }

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

    .about-meta {
        padding: 1.5rem;
    }

    .about-profile,
    .profile-image-wrap,
    .profile-caption {
        max-width: 220px;
    }

    .process-step {
        padding: 1.5rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}