:root {
    --blue: #007bff;
    --blue-dark: #0056d6;
    --navy: #1a1a2e;
    --navy-light: #2d2d44;
    --gray: #6c757d;
    --gray-light: #f4f6f9;
    --white: #ffffff;
    --shadow: 0 4px 24px rgba(26, 26, 46, 0.08);
    --radius: 12px;
    --font: 'Montserrat', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--navy);
    background: var(--white);
    line-height: 1.6;
}

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

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

.container {
    width: min(1140px, 92%);
    margin-inline: auto;
}

.text-accent {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
    font-family: inherit;
}

.btn-lg { padding: 0.9rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 123, 255, 0.35);
}

.btn-primary:hover {
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.45);
}

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

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

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(26, 26, 46, 0.06);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 0;
}

.nav-brand { flex-shrink: 0; }

.nav-logo { height: 56px; width: auto; }

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
    margin-left: auto;
}

.nav-links a {
    color: var(--navy);
    font-weight: 500;
    font-size: 0.95rem;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: 0.2s;
}

/* Hero */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(180deg, var(--gray-light) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue);
    margin: 0 0 1rem;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 1.25rem;
    color: var(--navy);
}

.hero-lead {
    font-size: 1.1rem;
    color: var(--gray);
    margin: 0 0 2rem;
    max-width: 520px;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-logo {
    max-width: 320px;
    filter: drop-shadow(var(--shadow));
}

.code-badge {
    position: absolute;
    bottom: -10px;
    right: 10%;
    background: var(--navy);
    color: var(--white);
    font-family: monospace;
    font-size: 1.25rem;
    font-weight: 700;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--gray-light);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.section-header p {
    color: var(--gray);
    margin: 0;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.service-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin: 0;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-grid h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.about-lead {
    color: var(--gray);
    margin: 0 0 1.5rem;
}

.about-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-list li {
    padding: 0.5rem 0 0.5rem 1.75rem;
    position: relative;
    font-weight: 500;
}

.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--blue);
    border-radius: 50%;
}

.stats-panel {
    display: grid;
    gap: 1rem;
}

.stat {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat strong {
    display: block;
    font-size: 2rem;
    color: var(--blue);
    margin-bottom: 0.25rem;
}

.stat span {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.contact-info > p {
    color: var(--gray);
    margin: 0 0 2rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-card {
    display: block;
    background: var(--gray-light);
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    color: inherit;
}

.contact-card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow);
    color: inherit;
}

.contact-card-static { cursor: default; }

.contact-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray);
    margin-bottom: 0.25rem;
}

.contact-card strong {
    font-size: 1.1rem;
    color: var(--navy);
}

.contact-form {
    background: var(--white);
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    margin: 0 0 1.5rem;
    font-size: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(26, 26, 46, 0.15);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

.form-note {
    font-size: 0.85rem;
    color: var(--gray);
    text-align: center;
    margin: 1rem 0 0;
}

/* Footer */
.site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.75);
    padding: 3rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
}

.footer-logo {
    height: 48px;
    margin-bottom: 1rem;
}

.footer-brand p {
    margin: 0;
    font-size: 0.9rem;
}

.site-footer h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin: 0 0 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem 0;
    font-size: 0.85rem;
    text-align: center;
}

/* Mobile nav */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-links,
    .nav-cta {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem 4%;
        border-bottom: 1px solid rgba(26, 26, 46, 0.08);
        box-shadow: var(--shadow);
    }

    .nav-links { margin-left: 0; gap: 0; }
    .nav-links li { padding: 0.75rem 0; }
    .nav-cta { margin: 0.5rem 4% 1rem; text-align: center; }

    .nav.open .nav-links,
    .nav.open .nav-cta { display: flex; }

    .hero-grid,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero { padding: 3rem 0; }
    .hero-visual { order: -1; }
    .hero-logo { max-width: 220px; }
    .code-badge { display: none; }
}