/* ==========================================================================
   MATRIX SOFT — Casisoft-Inspired Light & Modern Design System (v3.0)
   Clean, Airy, Pleasant, Light European IT Engineering Firm Aesthetic
   ========================================================================== */

:root {
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-light-alt: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    
    --navy-dark: #0f1e36;
    --navy-deep: #101935;
    --navy-banner: #0f2d59;
    
    --text-heading: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    
    --accent-indigo: #4f46e5;
    --accent-emerald: #059669;
    --accent-amber: #d97706;
    
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
    --shadow-card: 0 10px 25px -5px rgba(15, 23, 42, 0.07), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-hover: 0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.06);
    --shadow-navbar: 0 4px 20px rgba(0, 0, 0, 0.04);
    
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-white);
    color: var(--text-body);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.65;
    background-color: var(--bg-white);
}

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

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

/* ==========================================================================
   LAYOUT & CONTAINERS
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 85px 0;
    position: relative;
}

.section-light {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

/* Casisoft-inspired Section Prefix */
.prefix-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.prefix-line {
    width: 32px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #38bdf8);
    border-radius: var(--radius-full);
}

.prefix-title {
    font-size: 0.8125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
}

.section-title {
    font-size: 2.375rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 1.0625rem;
    color: var(--text-muted);
    max-width: 720px;
    line-height: 1.6;
}

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

.text-center .prefix-wrapper {
    justify-content: center;
}

.text-center .section-description {
    margin: 0 auto;
}

/* ==========================================================================
   TOP CONTACT BAR (Casisoft Header Top)
   ========================================================================== */
.header-topbar {
    background-color: #0b1526;
    color: #cbd5e1;
    font-size: 0.8125rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.topbar-left {
    display: flex;
    align-items: center;
    gap: 28px;
}

.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #e2e8f0;
}

.topbar-item svg {
    color: #38bdf8;
    flex-shrink: 0;
}

.topbar-item a:hover {
    color: #38bdf8;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Switcher */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    padding: 2px 4px;
    gap: 2px;
}

.lang-btn {
    padding: 3px 8px;
    font-size: 0.6875rem;
    font-weight: 700;
    color: #94a3b8;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.lang-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
}

.lang-btn.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 1px 4px rgba(2, 132, 199, 0.4);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-container {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-badge {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #0284c7, #0f2d59);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 1.125rem;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.3125rem;
    font-weight: 800;
    letter-spacing: 0.2px;
    color: var(--navy-dark);
    line-height: 1.1;
}

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

.logo-subtitle {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 28px;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-body);
    position: relative;
    padding: 6px 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta-mobile {
    display: none;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-toggle .bar {
    width: 100%;
    height: 2px;
    background: var(--navy-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--navy-dark);
    border-color: var(--border-color);
    box-shadow: var(--shadow-soft);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    color: var(--primary);
}

.btn-sm {
    padding: 9px 18px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

/* ==========================================================================
   HERO SECTION (Casisoft Style: Bright, 2-Column with Real Studio Photo)
   ========================================================================== */
.hero-section {
    padding: 60px 0 80px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
}

.hero-slogan-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background-color: var(--primary-light);
    color: var(--primary-hover);
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
    border: 1px solid rgba(2, 132, 199, 0.2);
}

.hero-title {
    font-size: 2.875rem;
    font-weight: 800;
    color: var(--navy-dark);
    line-height: 1.2;
    letter-spacing: -0.75px;
    margin-bottom: 20px;
}

.hero-title .title-accent {
    color: var(--primary);
}

.hero-lead {
    font-size: 1.125rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.hero-metrics-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--navy-dark);
    line-height: 1.2;
}

.metric-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 4px;
}

/* Hero Visual Box */
.hero-visual-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    background-color: #ffffff;
}

.hero-visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.hero-visual-card:hover .hero-visual-img {
    transform: scale(1.02);
}

.hero-visual-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(15, 30, 54, 0.92);
    backdrop-filter: blur(8px);
    color: #ffffff;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.badge-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.badge-info-title {
    font-size: 0.875rem;
    font-weight: 700;
}

.badge-info-sub {
    font-size: 0.75rem;
    color: #94a3b8;
}

/* ==========================================================================
   ABOUT SECTION (Casisoft "Über uns" Style)
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.about-image-wrapper img {
    width: 100%;
    height: 480px;
    object-fit: cover;
}

.about-experience-pill {
    position: absolute;
    top: 24px;
    right: 24px;
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 14px 20px;
    box-shadow: var(--shadow-card);
    text-align: center;
    border: 1px solid var(--border-color);
}

.exp-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.exp-lbl {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-top: 4px;
}

.about-content h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--navy-dark);
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.about-content p {
    font-size: 1rem;
    color: var(--text-body);
    line-height: 1.75;
    margin-bottom: 18px;
}

.about-content strong {
    color: var(--navy-dark);
}

.about-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 32px 0;
}

.about-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy-dark);
}

.about-tag svg {
    color: var(--accent-emerald);
}

/* ==========================================================================
   SERVICES (4 PILLARS)
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    opacity: 1;
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.service-icon-box {
    width: 58px;
    height: 58px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-tourism {
    background-color: #e0f2fe;
    color: #0284c7;
}

.icon-database {
    background-color: #ede9fe;
    color: #6366f1;
}

.icon-code {
    background-color: #d1fae5;
    color: #059669;
}

.icon-rail {
    background-color: #fef3c7;
    color: #d97706;
}

.card-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background-color: var(--bg-light);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.service-card-title {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--navy-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-card-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 24px;
}

.service-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.service-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-body);
    line-height: 1.5;
}

.service-features-list li svg {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 3px;
}

/* ==========================================================================
   PROJECT SHOWCASE (Casisoft "Aktuelle Projekte" Style with Photos)
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
}

.project-img-wrapper {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: #f1f5f9;
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-img-wrapper img {
    transform: scale(1.05);
}

.project-card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-category-tag {
    font-size: 0.6875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 8px;
}

.project-card-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--navy-dark);
    line-height: 1.35;
    margin-bottom: 12px;
}

.project-card-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-card-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
}

.project-card-link:hover {
    color: var(--primary-hover);
    gap: 12px;
}

/* ==========================================================================
   WHY US (Philosophy & Quality)
   ========================================================================== */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.why-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-soft);
    position: relative;
    transition: var(--transition);
}

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

.why-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #e2e8f0;
    line-height: 1;
    margin-bottom: 16px;
    font-family: var(--font-mono);
}

.why-title {
    font-size: 1.1875rem;
    font-weight: 800;
    color: var(--navy-dark);
    margin-bottom: 12px;
}

.why-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ==========================================================================
   TECHNOLOGY ECOSYSTEM
   ========================================================================== */
.tech-container-box {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-soft);
    margin-top: 50px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
}

.tech-group-title {
    font-size: 0.8125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-pill {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-light);
    color: var(--navy-dark);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-pill:hover {
    background-color: var(--primary-light);
    color: var(--primary-hover);
    border-color: rgba(2, 132, 199, 0.3);
}

.tech-pill.accent {
    background-color: #f0fdf4;
    color: #166534;
    border-color: #bbf7d0;
}

.tech-pill.rail {
    background-color: #fefce8;
    color: #854d0e;
    border-color: #fef08a;
}

/* ==========================================================================
   CONTACT SECTION (Casisoft "Wann starten wir?")
   ========================================================================== */
.contact-section {
    background-color: var(--bg-light);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 40px;
    margin-top: 50px;
}

.contact-info-panel {
    background-color: var(--navy-dark);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.company-title-wrap {
    margin-bottom: 32px;
}

.company-pill {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: #38bdf8;
    margin-bottom: 12px;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.25;
}

.company-motto {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-top: 6px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #38bdf8;
    flex-shrink: 0;
}

.contact-info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #94a3b8;
    font-weight: 700;
}

.contact-info-value {
    font-size: 0.9375rem;
    color: #ffffff;
    margin-top: 3px;
    line-height: 1.5;
}

.contact-info-value a:hover {
    color: #38bdf8;
}

.contact-info-value strong {
    color: #ffffff;
}

.contact-form-panel {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-card);
}

.form-header-title {
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--navy-dark);
    margin-bottom: 6px;
}

.form-header-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--navy-dark);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--navy-dark);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

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

.btn-submit {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

.form-status {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.5;
}

.status-success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.status-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background-color: #0b1526;
    color: #94a3b8;
    padding: 70px 0 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.3fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-logo .logo-title {
    color: #ffffff;
}

.footer-desc {
    font-size: 0.875rem;
    color: #94a3b8;
    line-height: 1.7;
    max-width: 440px;
}

.footer-col-title {
    font-size: 0.8125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #ffffff;
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: #38bdf8;
}

.footer-links strong {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8125rem;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright-text strong {
    color: #ffffff;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.375rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-wrapper img {
        height: 360px;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .header-topbar {
        display: none;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background-color: #ffffff;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        padding: 24px;
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        width: 100%;
    }
    
    .nav-cta-mobile {
        display: block;
        margin-top: 10px;
        width: 100%;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-metrics-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-info-panel,
    .contact-form-panel {
        padding: 28px;
    }
}