:root {
    --bg: #050816;
    --bg-soft: #0a1022;
    --surface: rgba(10, 16, 34, 0.82);
    --surface-strong: #0e1730;
    --text: #f4fbff;
    --muted: #8aa3b9;
    --border: rgba(73, 202, 255, 0.22);
    --accent: #37d8ff;
    --accent-strong: #19f5c1;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.38);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Poppins", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(25, 245, 193, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(55, 216, 255, 0.12), transparent 24%),
        linear-gradient(180deg, #040612 0%, #071122 48%, #050816 100%);
    color: var(--text);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.narrow {
    max-width: 760px;
}

.section {
    padding: 88px 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(18px);
    background: rgba(5, 8, 22, 0.72);
    border-bottom: 1px solid rgba(55, 216, 255, 0.12);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 76px;
}

.brand {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: var(--muted);
    transition: color 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
}

.hero {
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
}

.hero-grid,
.two-column,
.contact-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px;
    align-items: center;
}

.hero-copy h1,
.page-banner h1 {
    margin: 12px 0 16px;
    font-size: clamp(2.5rem, 6vw, 4.6rem);
    line-height: 1.05;
}

.hero-subtitle {
    margin: 0 0 16px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-strong);
}

.hero-text,
.section-text {
    color: var(--muted);
    font-size: 1.05rem;
}

.section-tag {
    margin: 0;
    color: var(--accent);
    font-size: 0.88rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
    padding: 14px 24px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 32px rgba(55, 216, 255, 0.2);
}

.button-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #021019;
}

.button-secondary {
    background: transparent;
    color: var(--text);
    border-color: rgba(55, 216, 255, 0.28);
}

.hero-visual img,
.content-image img,
.contact-image {
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.section-heading {
    margin-bottom: 28px;
}

.section-heading h2,
.content-block h2,
.cta-panel h2,
.contact-card h2,
.narrow h2 {
    margin: 12px 0 0;
    font-size: clamp(2rem, 4vw, 3rem);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.info-card,
.service-card,
.contact-card,
.cta-panel {
    background: linear-gradient(180deg, rgba(12, 19, 40, 0.94), rgba(6, 10, 23, 0.94));
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.info-card {
    padding: 28px;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.info-card:hover,
.service-card:hover,
.contact-card:hover {
    transform: translateY(-6px);
    border-color: rgba(25, 245, 193, 0.4);
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    margin-bottom: 18px;
    background: rgba(55, 216, 255, 0.1);
    color: var(--accent);
    font-weight: 800;
}

.info-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
}

.info-card p,
.service-copy p,
.contact-details p {
    color: var(--muted);
}

.feature-list {
    padding-left: 20px;
    color: var(--text);
}

.feature-list li {
    margin-bottom: 12px;
}

.page-banner {
    padding-bottom: 36px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.service-card {
    overflow: hidden;
}

.service-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.service-copy {
    padding: 24px;
}

.service-copy h2 {
    margin-top: 0;
}

.cta-panel {
    text-align: center;
    padding: 40px 24px;
}

.contact-layout {
    align-items: start;
}

.contact-card {
    padding: 30px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input,
textarea {
    width: 100%;
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(55, 216, 255, 0.18);
    background: rgba(6, 10, 23, 0.92);
    color: var(--text);
    font: inherit;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

input:focus,
textarea:focus {
    border-color: rgba(55, 216, 255, 0.6);
    box-shadow: 0 0 0 4px rgba(55, 216, 255, 0.12);
}

.form-message {
    min-height: 24px;
    margin-top: -4px;
    margin-bottom: 14px;
    color: var(--accent-strong);
    font-size: 0.95rem;
}

.form-message.error {
    color: #ff7c9d;
}

.contact-details strong {
    color: var(--text);
}

.site-footer {
    border-top: 1px solid rgba(55, 216, 255, 0.12);
    background: rgba(5, 8, 22, 0.92);
}

.footer-content {
    padding: 26px 0;
    text-align: center;
    color: var(--muted);
}

.footer-content p {
    margin: 6px 0;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .card-grid,
    .service-grid,
    .hero-grid,
    .two-column,
    .contact-layout {
        grid-template-columns: 1fr 1fr;
    }

    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        gap: 16px;
        padding: 20px;
        background: rgba(5, 8, 22, 0.96);
        border-bottom: 1px solid rgba(55, 216, 255, 0.12);
    }

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

    .hero-grid,
    .two-column,
    .contact-layout,
    .service-grid,
    .card-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 72px 0;
    }

    .hero {
        min-height: auto;
        padding-top: 26px;
    }
}