/* C3Cyber website styles based on the Spring 2026 brand kit. */
:root {
    --c3-navy: #1B3A5F;
    --c3-navy-deep: #0E1F38;
    --c3-navy-mid: #2C4F77;
    --c3-bay-teal: #1F7A7A;
    --c3-cyan: #5BC8DB;
    --c3-slate: #4A5C75;
    --c3-slate-light: #94A3B8;
    --c3-ink: #0E1A2B;
    --c3-muted: #5C6B82;
    --c3-line: #D8DDE4;
    --c3-mist: #E6E9ED;
    --c3-fog: #F5F6F7;
    --c3-paper: #FAFBFC;
    --c3-white: #FFFFFF;
    --c3-success: #2F855A;
    --c3-warn: #B45309;
    --c3-danger: #B23A3A;
    --c3-font-display: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
    --c3-font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --c3-font-mono: "IBM Plex Mono", "SF Mono", Menlo, Consolas, ui-monospace, monospace;
    --page-max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--c3-font-sans);
    font-size: 18px;
    line-height: 1.55;
    color: var(--c3-ink);
    background: var(--c3-paper);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

:focus-visible {
    outline: 3px solid var(--c3-cyan);
    outline-offset: 4px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(14, 31, 56, 0.96);
    border-bottom: 1px solid rgba(216, 221, 228, 0.18);
    backdrop-filter: blur(14px);
}

.nav {
    max-width: var(--page-max);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--c3-white);
    min-width: max-content;
}

.brand img {
    width: 44px;
    height: 44px;
}

.brand-text {
    display: grid;
    gap: 0;
}

.brand-name {
    font-family: var(--c3-font-display);
    font-size: 1.45rem;
    line-height: 1;
    font-weight: 500;
    letter-spacing: 0;
}

.brand-tagline {
    font-family: var(--c3-font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c3-cyan);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.nav-links a,
.drop-label {
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-links a:hover,
.drop-label:hover {
    color: var(--c3-cyan);
}

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: calc(100% + 16px);
    left: -18px;
    min-width: 260px;
    padding: 10px;
    background: var(--c3-navy-deep);
    border: 1px solid rgba(216, 221, 228, 0.18);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.dropdown:hover .dropdown-content,
.dropdown:focus-within .dropdown-content {
    display: grid;
}

.dropdown-content a {
    padding: 10px 12px;
    color: rgba(255, 255, 255, 0.8);
}

.dropdown-content a:hover {
    color: var(--c3-white);
    background: rgba(91, 200, 219, 0.12);
}

.hero {
    position: relative;
    min-height: 620px;
    padding: 96px 24px 72px;
    display: flex;
    align-items: center;
    color: var(--c3-white);
    background:
        radial-gradient(circle at 82% 24%, rgba(91, 200, 219, 0.16), transparent 28%),
        linear-gradient(135deg, var(--c3-navy-deep) 0%, var(--c3-navy) 56%, var(--c3-navy-mid) 100%);
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    right: max(24px, calc((100vw - var(--page-max)) / 2));
    bottom: -58px;
    width: min(420px, 46vw);
    aspect-ratio: 1;
    background: url("images/c3cyber-logo-white.svg") center / contain no-repeat;
    opacity: 0.08;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: min(100%, var(--page-max));
    margin: 0 auto;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.55fr);
    gap: 72px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 18px;
    font-family: var(--c3-font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c3-cyan);
}

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--c3-font-display);
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: 0;
    color: var(--c3-navy-deep);
    text-wrap: balance;
}

.hero h1 {
    max-width: 820px;
    font-size: clamp(3.15rem, 8vw, 5.75rem);
    color: var(--c3-white);
}

.hero-lede {
    max-width: 720px;
    margin: 26px 0 0;
    font-size: clamp(1.15rem, 2.2vw, 1.45rem);
    color: rgba(255, 255, 255, 0.76);
}

.hero-mark {
    justify-self: end;
    width: min(330px, 100%);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.045);
}

.hero-mark img {
    width: 100%;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 36px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 600;
    line-height: 1;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: var(--c3-bay-teal);
    color: var(--c3-white);
}

.button-primary:hover {
    background: #196a6a;
}

.button-secondary {
    border-color: rgba(255, 255, 255, 0.34);
    color: var(--c3-white);
}

.button-secondary:hover {
    border-color: var(--c3-cyan);
    color: var(--c3-cyan);
}

.section {
    padding: 84px 24px;
}

.section-muted {
    background: var(--c3-fog);
    border-block: 1px solid var(--c3-line);
}

.section-dark {
    background: var(--c3-navy-deep);
    color: var(--c3-white);
}

.section-dark h2,
.section-dark h3 {
    color: var(--c3-white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.72);
}

.container {
    width: min(100%, var(--page-max));
    margin: 0 auto;
}

.section-header {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.7fr);
    gap: 48px;
    align-items: end;
    margin-bottom: 38px;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4.8vw, 3.4rem);
}

.section-header p,
.lead {
    margin: 0;
    color: var(--c3-muted);
    font-size: 1.12rem;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
    align-items: start;
}

.about-copy {
    display: grid;
    gap: 20px;
}

.about-copy h3 {
    font-size: 2.1rem;
}

.about-copy p {
    margin: 0;
    color: var(--c3-slate);
}

.profile {
    border-left: 4px solid var(--c3-cyan);
    padding-left: 24px;
}

.profile img {
    width: 260px;
    margin-bottom: 20px;
    border: 1px solid var(--c3-line);
}

.profile-title {
    margin: 0 0 14px;
    color: var(--c3-navy);
    font-weight: 700;
}

.social-link {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 9px 14px;
    border: 1px solid var(--c3-line);
    color: var(--c3-navy);
    text-decoration: none;
    font-weight: 600;
}

.social-link:hover {
    border-color: var(--c3-bay-teal);
    color: var(--c3-bay-teal);
}

.services-grid,
.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    min-height: 100%;
    padding: 28px;
    background: var(--c3-white);
    border: 1px solid var(--c3-line);
    border-top: 4px solid var(--c3-cyan);
    text-decoration: none;
    color: inherit;
    transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.card:hover {
    border-color: var(--c3-bay-teal);
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(14, 31, 56, 0.12);
}

.card h3 {
    margin-bottom: 14px;
    font-size: 1.55rem;
}

.card p {
    margin: 0;
    color: var(--c3-muted);
}

.proof-card {
    padding: 26px;
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-card strong {
    display: block;
    margin-bottom: 12px;
    font-family: var(--c3-font-display);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--c3-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(320px, 1fr);
    gap: 52px;
    align-items: start;
}

.contact-panel {
    padding: 30px;
    background: var(--c3-white);
    border: 1px solid var(--c3-line);
}

.contact-panel .form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 7px;
    color: var(--c3-navy-deep);
    font-weight: 600;
}

input,
textarea {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid var(--c3-line);
    border-radius: 0;
    font: inherit;
    color: var(--c3-ink);
    background: var(--c3-paper);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--c3-bay-teal);
    box-shadow: 0 0 0 3px rgba(31, 122, 122, 0.14);
}

button.button {
    width: 100%;
    cursor: pointer;
    font: inherit;
}

.page-hero {
    min-height: 430px;
}

.page-hero .hero-grid {
    grid-template-columns: minmax(0, 1fr);
}

.toc {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 24px;
    margin-bottom: 42px;
    background: var(--c3-white);
    border: 1px solid var(--c3-line);
    border-left: 4px solid var(--c3-cyan);
}

.toc a {
    padding: 10px 12px;
    color: var(--c3-navy);
    text-decoration: none;
    font-weight: 600;
}

.toc a:hover {
    background: var(--c3-fog);
    color: var(--c3-bay-teal);
}

.service-section {
    scroll-margin-top: 110px;
    padding: 42px 0;
    border-top: 1px solid var(--c3-line);
}

.service-section:first-of-type {
    border-top: 0;
}

.service-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(320px, 1fr);
    gap: 52px;
    align-items: start;
}

.service-kicker {
    position: sticky;
    top: 112px;
}

.service-kicker h2 {
    margin-top: 12px;
    font-size: clamp(2rem, 4vw, 3rem);
}

.service-intro {
    margin: 18px 0 0;
    color: var(--c3-slate);
    font-size: 1.1rem;
}

.service-detail {
    display: grid;
    gap: 24px;
}

.detail-block {
    padding: 26px;
    background: var(--c3-white);
    border: 1px solid var(--c3-line);
}

.detail-block h3 {
    margin-bottom: 14px;
    font-family: var(--c3-font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c3-bay-teal);
}

.detail-block ul,
.detail-block ol {
    margin: 0;
    padding-left: 22px;
    color: var(--c3-muted);
}

.detail-block li + li {
    margin-top: 10px;
}

.cta-box {
    padding: 28px;
    background: var(--c3-navy-deep);
    color: var(--c3-white);
}

.cta-box p {
    margin: 0 0 18px;
    color: rgba(255, 255, 255, 0.78);
}

.cta-box .button {
    background: var(--c3-cyan);
    color: var(--c3-navy-deep);
}

.site-footer {
    padding: 34px 24px;
    background: var(--c3-navy-deep);
    color: rgba(255, 255, 255, 0.72);
    border-top: 1px solid rgba(216, 221, 228, 0.16);
}

.footer-inner {
    width: min(100%, var(--page-max));
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
}

.footer-inner p {
    margin: 0;
}

.footer-mark {
    font-family: var(--c3-font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c3-cyan);
}

.error-code {
    font-family: var(--c3-font-mono);
    font-size: clamp(4.5rem, 12vw, 8rem);
    line-height: 1;
    color: var(--c3-cyan);
}

@media (max-width: 920px) {
    .nav {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }

    .nav-links {
        width: 100%;
        flex-wrap: wrap;
        gap: 16px 22px;
    }

    .dropdown-content {
        left: 0;
    }

    .hero,
    .section {
        padding-inline: 20px;
    }

    .hero-grid,
    .section-header,
    .about-grid,
    .contact-grid,
    .service-layout {
        grid-template-columns: 1fr;
    }

    .hero-mark {
        justify-self: start;
        width: 220px;
    }

    .service-kicker {
        position: static;
    }

    .services-grid,
    .proof-grid,
    .toc {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 620px) {
    body {
        font-size: 16px;
    }

    .brand img {
        width: 38px;
        height: 38px;
    }

    .brand-name {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 12px 16px;
    }

    .dropdown-content {
        min-width: 230px;
    }

    .hero {
        min-height: auto;
        padding-top: 68px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .services-grid,
    .proof-grid,
    .toc {
        grid-template-columns: 1fr;
    }

    .profile img {
        width: 220px;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}