/*
Theme Name: UKEY Systems
Theme URI: https://ukeysystems.net
Author: UKEY Systems LLC
Description: Custom theme for UKEY Systems LLC - enterprise infrastructure consulting.
Version: 1.5
Text Domain: ukey-systems
*/

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
    --color-dark: #0b0f1a;
    --color-dark-alt: #10151f;
    --color-blue: #2563eb;
    --color-blue-dark: #1d4ed8;
    --color-blue-light: #eaf1ff;
    --color-cta-bg: #eef4ff;
    --color-light-bg: #f4f6f9;
    --color-text-dark: #0f172a;
    --color-text-body: #47536b;
    --color-text-light: #94a3b8;
    --color-white: #ffffff;
    --color-border: #e5e9f0;

    --font-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --container-width: 1180px;
}

/* ==========================================================================
   Reset / base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text-body);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 { color: var(--color-text-dark); margin: 0; font-weight: 700; line-height: 1.2; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}
.btn-primary:hover { background: var(--color-blue-dark); }

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.35);
}
.btn-outline:hover { border-color: var(--color-white); }

.btn-outline-dark {
    background: transparent;
    color: var(--color-text-dark);
    border-color: var(--color-border);
}
.btn-outline-dark:hover { border-color: var(--color-text-dark); }

.eyebrow {
    display: inline-block;
    color: var(--color-blue);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-heading {
    font-size: 1.9rem;
    position: relative;
    padding-bottom: 14px;
}
.section-heading::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 46px;
    height: 4px;
    background: var(--color-blue);
    border-radius: 2px;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background: var(--color-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
}

.site-logo img { height: 40px; width: auto; }

.primary-nav ul {
    display: flex;
    align-items: center;
    gap: 34px;
}

.primary-nav a {
    color: rgba(255,255,255,0.85);
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
    transition: color 0.15s ease;
}
.primary-nav a:hover,
.primary-nav .current-menu-item a {
    color: var(--color-blue);
}

.header-actions { display: flex; align-items: center; gap: 24px; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.6rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    background:
        linear-gradient(100deg, rgba(11,15,26,0.96) 0%, rgba(11,15,26,0.75) 55%, rgba(11,15,26,0.55) 100%),
        radial-gradient(circle at 80% 20%, rgba(37,99,235,0.18), transparent 45%),
        repeating-linear-gradient(90deg, #131a29 0 2px, #0b0f1a 2px 42px);
    color: var(--color-white);
    padding: 90px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    color: var(--color-white);
    font-size: 2.8rem;
    margin-bottom: 20px;
}
.hero h1 .accent { color: var(--color-blue); display: block; }

.hero p {
    color: rgba(255,255,255,0.72);
    font-size: 1.05rem;
    max-width: 520px;
    margin-bottom: 32px;
}

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

.hero-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(6px);
}

.hero-feature {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero-feature:last-child { border-bottom: none; }

.hero-feature .icon {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(37,99,235,0.15);
    color: var(--color-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-feature h4 {
    color: var(--color-white);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}
.hero-feature p {
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    margin: 0;
    max-width: none;
}

/* ==========================================================================
   Trust bar
   ========================================================================== */
.trust-bar {
    background: var(--color-light-bg);
    padding: 44px 0;
}
.trust-bar .eyebrow-center {
    display: block;
    text-align: center;
    color: var(--color-text-light);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 28px;
}
.trust-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}
.trust-item {
    flex: 1 1 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}
.trust-item .icon {
    width: 44px;
    height: 44px;
    color: var(--color-text-dark);
}
.trust-item span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

/* ==========================================================================
   Core expertise
   ========================================================================== */
.expertise {
    padding: 90px 0;
}
.expertise .section-heading { margin-bottom: 44px; }

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.expertise-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 26px 22px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.expertise-card:hover {
    box-shadow: 0 12px 30px rgba(15,23,42,0.08);
    transform: translateY(-3px);
}

.expertise-card .icon-badge {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    color: var(--color-white);
    font-weight: 700;
}
.expertise-card .icon-badge svg,
.expertise-card .icon-badge img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}
.expertise-card .icon-badge.badge-light {
    background: var(--color-white);
    border: 1px solid var(--color-border);
}
.expertise-card .icon-badge.badge-light img {
    width: 34px;
    height: 34px;
}

.expertise-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.expertise-card > p {
    font-size: 0.87rem;
    margin-bottom: 16px;
}

.expertise-card ul { display: flex; flex-direction: column; gap: 8px; }
.expertise-card li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.83rem;
    color: var(--color-text-dark);
}
.expertise-card li .check {
    flex: none;
    width: 16px;
    height: 16px;
    color: var(--color-blue);
}

/* ==========================================================================
   Why UKEY (dark band)
   ========================================================================== */
.why-band {
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    margin: 0 auto 90px;
    max-width: var(--container-width);
    padding: 56px 48px;
}
.why-band-inner {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    align-items: center;
}
.why-band h2 {
    color: var(--color-white);
    font-size: 1.7rem;
    margin: 6px 0 16px;
}
.why-band p {
    color: rgba(255,255,255,0.68);
    font-size: 0.95rem;
    margin: 0;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.why-item { display: flex; gap: 14px; }
.why-item .icon {
    flex: none;
    width: 34px;
    height: 34px;
    color: var(--color-blue);
}
.why-item h4 {
    color: var(--color-white);
    font-size: 0.95rem;
    margin-bottom: 4px;
}
.why-item p {
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    margin: 0;
}

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
    background: var(--color-cta-bg);
    padding: 34px 0;
}
.cta-band .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.cta-left { display: flex; align-items: center; gap: 20px; }
.cta-left .icon-circle {
    flex: none;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-blue);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
}
.cta-left h3 { font-size: 1.15rem; margin-bottom: 4px; }
.cta-left p { margin: 0; font-size: 0.9rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.6);
    padding: 60px 0 26px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid img,
.footer-grid .custom-logo-link img { height: 34px; width: auto; margin-bottom: 14px; }
.footer-grid p { font-size: 0.88rem; }
.footer-col h4 {
    color: var(--color-white);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.88rem; }
.footer-col a:hover { color: var(--color-blue); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    font-size: 0.82rem;
    flex-wrap: wrap;
    gap: 10px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
    .hero .container { grid-template-columns: 1fr; }
    .expertise-grid { grid-template-columns: repeat(2, 1fr); }
    .why-band-inner { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .primary-nav, .header-actions .btn { display: none; }
    .menu-toggle { display: block; }
    .hero h1 { font-size: 2.1rem; }
    .trust-grid { justify-content: center; }
    .expertise-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .cta-band .container { flex-direction: column; text-align: center; }
    .footer-grid { grid-template-columns: 1fr; }
}