:root {
    --tech-blue: #003359;
    --steel-grey: #e0e6ed;
    --dark-metal: #2c3e50;
    --white: #ffffff;
    --accent-blue: #00a8cc;
    --font-heading: 'Teko', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--steel-grey);
    color: var(--dark-metal);
    height: 100vh;
    overflow: hidden;
}

.tech-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.tech-sidebar {
    width: 280px;
    background-color: var(--tech-blue);
    color: var(--white);
    display: flex;
    flex-direction: column;
    padding: 30px;
    box-shadow: 4px 0 15px rgba(0,0,0,0.3);
    z-index: 10;
}

.tech-logo {
    margin-bottom: 50px;
}

.tech-logo span {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
}

.tech-logo strong {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--accent-blue);
}

.line-deco {
    width: 50px;
    height: 4px;
    background-color: var(--accent-blue);
    margin-top: 5px;
}

.tech-nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.tech-nav a {
    text-decoration: none;
    color: #aab7c4;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    letter-spacing: 1px;
    transition: 0.3s;
    padding-left: 10px;
    border-left: 3px solid transparent;
}

.tech-nav a:hover, .tech-nav a.active {
    color: var(--white);
    border-left-color: var(--accent-blue);
    background: rgba(255,255,255,0.05);
}

.btn-tech {
    margin-top: auto;
    background-color: var(--accent-blue);
    color: var(--tech-blue) !important;
    text-align: center;
    padding: 10px 0;
    font-weight: bold;
    border-left: none !important;
}

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

.sidebar-meta {
    margin-top: 30px;
    font-family: 'Courier New', monospace;
    font-size: 0.7rem;
    color: #667;
    border-top: 1px solid #445;
    padding-top: 10px;
}

/* Content Area */
.tech-content {
    flex: 1;
    overflow-y: auto;
    background-color: #f0f2f5;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.top-bar {
    background-color: var(--white);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
}

.top-bar h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin: 0;
    color: var(--tech-blue);
}

.kpi-ticker span {
    margin-left: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--dark-metal);
    background: #eef;
    padding: 5px 10px;
    border-radius: 4px;
}

.hero-tech {
    height: 400px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    padding-left: 60px;
}

.overlay-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, rgba(0,51,89,0.8) 0%, rgba(0,51,89,0.4) 100%),
        url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCI+CjxwYXRoIGQ9Ik0wIDBoNDB2NDBIMHoiIGZpbGw9Im5vbmUiIHN0cm9rZT0icmdiYSgyNTUsMjU1LDI1NSwwLjEpIiBzdHJva2Utd2lkdGg9IjEiLz4KPC9zdmc+');
}

.hero-data {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 600px;
}

.hero-data h2 {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 20px;
}

.hero-data p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    border: 2px solid var(--accent-blue);
    padding: 10px 20px;
    transition: 0.3s;
}

.cta-link:hover {
    background-color: var(--accent-blue);
    color: var(--tech-blue);
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 40px;
}

.grid-box {
    background: var(--white);
    padding: 30px;
    border-top: 4px solid var(--tech-blue);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.grid-box h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--tech-blue);
}

/* About Page */
.content-wrapper {
    padding: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    margin-bottom: 40px;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--tech-blue);
    line-height: 1;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: #ddd;
    margin-top: 10px;
}

.progress-bar .fill {
    height: 100%;
    background: var(--accent-blue);
}

.split-view {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.text-side { width: 50%; }
.image-side { width: 50%; }
.image-side img { width: 100%; border: 1px solid #ccc; padding: 5px; background: #fff; }

.tech-list { margin-top: 20px; list-style: none; }
.tech-list li { margin-bottom: 10px; padding-left: 20px; position: relative; }
.tech-list li::before { content: '■'; color: var(--accent-blue); position: absolute; left: 0; font-size: 0.8rem; top: 3px; }

.data-row {
    display: flex;
    justify-content: space-between;
}

.data-card {
    background: var(--tech-blue);
    color: var(--white);
    padding: 30px;
    width: 30%;
    text-align: center;
}

.big-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--accent-blue);
    line-height: 1;
}

/* Testimonials */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-panel {
    background: var(--white);
    border: 1px solid #ccc;
    padding: 30px;
}

.review-panel.blue-accent {
    border-color: var(--tech-blue);
    background: #eef4f9;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--tech-blue);
}

.review-body {
    font-style: italic;
    margin-bottom: 20px;
}

/* Contact Form */
.contact-interface {
    display: flex;
    gap: 40px;
    background: var(--white);
    padding: 40px;
    border: 1px solid #ddd;
}

.info-module {
    width: 30%;
    background: var(--steel-grey);
    padding: 20px;
}

.info-module h4 { margin-bottom: 10px; color: var(--tech-blue); font-family: var(--font-heading); font-size: 1.5rem; }
.info-module hr { border: 0; border-top: 1px solid #ccc; margin: 20px 0; }

.tech-form {
    width: 70%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group.full { grid-column: span 2; }

.input-group label {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--tech-blue);
    margin-bottom: 5px;
}

.input-group input, .input-group select, .input-group textarea {
    padding: 10px;
    border: 1px solid #ccc;
    background: #f9f9f9;
    font-family: var(--font-body);
}

.submit-btn {
    grid-column: span 2;
    background: var(--tech-blue);
    color: var(--white);
    border: none;
    padding: 15px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover {
    background: var(--accent-blue);
}

/* Legal */
.legal-doc {
    background: var(--white);
    padding: 60px;
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid #ccc;
}

.legal-doc h1 {
    font-family: var(--font-heading);
    color: var(--tech-blue);
}

@media (max-width: 900px) {
    .tech-container { flex-direction: column; height: auto; }
    .tech-sidebar { width: 100%; height: auto; padding: 20px; }
    .tech-nav { display: none; }
    .tech-content { overflow-y: visible; }
    .hero-tech { padding-left: 20px; }
    .grid-layout, .split-view, .data-row, .contact-interface { flex-direction: column; }
    .data-card, .text-side, .image-side, .info-module, .tech-form { width: 100%; }
    .tech-form { grid-template-columns: 1fr; }
    .input-group.full { grid-column: span 1; }
    .submit-btn { grid-column: span 1; }
}