:root {
    --bg: #080C14;
    --bg-soft: #0F172A;
    --panel: #101A2B;
    --panel-alt: #121D30;
    --line: rgba(148, 163, 184, 0.2);
    --text: #E5EEF9;
    --muted: #A8B3C7;
    --primary: #00D2FF;
    --primary-strong: #1D4ED8;
    --success: #22C55E;
    --warning: #FBBF24;
    --danger: #F87171;
    --shadow: 0 30px 60px rgba(2, 6, 23, 0.45);
    --radius: 20px;
    --container: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: radial-gradient(circle at top, rgba(29, 78, 216, 0.18), transparent 30%), var(--bg);
    color: var(--text);
    line-height: 1.7;
}

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

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

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin: 0 auto;
}

.site-navbar {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(18px);
    background: rgba(8, 12, 20, 0.78);
    border-bottom: 1px solid var(--line);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.brand-mark {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #04121d;
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    box-shadow: 0 0 24px rgba(0, 210, 255, 0.4);
}

.brand-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.nav-link {
    color: var(--muted);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 0.75rem;
}

.lang-switcher {
    display: inline-flex;
    gap: 0.25rem;
    padding: 0.2rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.65);
}

.lang-link {
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    color: var(--muted);
    font-size: 0.8rem;
}

.lang-link.active {
    background: rgba(0, 210, 255, 0.15);
    color: var(--primary);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    padding: 0.9rem 1.3rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #04121d;
    box-shadow: 0 18px 32px rgba(29, 78, 216, 0.3);
}

.button-secondary {
    border-color: var(--line);
    background: rgba(15, 23, 42, 0.4);
    color: var(--text);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    background: transparent;
    border: 0;
    padding: 0.25rem;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 1.6rem;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

.page-shell {
    padding: 4rem 0 2rem;
}

.hero {
    padding: 5rem 0 3rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 2.5rem;
}

.eyebrow {
    display: inline-block;
    border: 1px solid rgba(0, 210, 255, 0.4);
    background: rgba(0, 210, 255, 0.08);
    color: var(--primary);
    padding: 0.5rem 0.8rem;
    border-radius: 999px;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1, h2, h3, h4 {
    margin-top: 0;
    line-height: 1.2;
    font-family: 'Outfit', sans-serif;
}

h1 {
    font-size: clamp(2.6rem, 5vw, 5rem);
    margin: 1.2rem 0 1rem;
}

h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 1rem;
}

p {
    margin: 0 0 1.1rem;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.2rem;
}

.stat-card,
.feature-card,
.article-card,
.contact-card,
.page-card {
    background: linear-gradient(180deg, rgba(16, 26, 43, 0.95), rgba(13, 18, 31, 0.92));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-card {
    padding: 1.4rem;
}

.stat-card strong {
    display: block;
    font-size: 1.8rem;
    font-family: 'Outfit', sans-serif;
    color: var(--primary);
}

.hero-visual {
    position: relative;
    padding: 1.5rem;
    min-height: 480px;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.08), rgba(29, 78, 216, 0.18));
    border: 1px solid var(--line);
    overflow: hidden;
}

.dashboard-panel {
    position: absolute;
    inset: 1.5rem;
    padding: 1.3rem;
    border-radius: 22px;
    background: rgba(8, 12, 20, 0.8);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.chart-bars {
    display: flex;
    align-items: end;
    height: 200px;
    gap: 0.75rem;
    margin-top: 2rem;
}

.chart-bars span {
    flex: 1;
    border-radius: 12px 12px 0 0;
    background: linear-gradient(180deg, var(--primary), var(--primary-strong));
    box-shadow: 0 0 16px rgba(0, 210, 255, 0.25);
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.4rem;
}

.pill {
    padding: 0.5rem 0.8rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.82rem;
}

.section {
    padding: 2.5rem 0;
}

.section-header {
    max-width: 740px;
    margin-bottom: 2rem;
}

.features-grid,
.grid-4,
.grid-3,
.reference-grid,
.steps-grid,
.info-grid {
    display: grid;
    gap: 1.25rem;
}

.features-grid,
.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.article-card,
.contact-card,
.page-card {
    padding: 1.6rem;
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 210, 255, 0.1);
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
}

.steps-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-item {
    position: relative;
    padding: 1.5rem;
    border-radius: var(--radius);
    background: rgba(12, 24, 39, 0.7);
    border: 1px solid var(--line);
}

.step-number {
    width: 2.2rem;
    height: 2.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 210, 255, 0.12);
    color: var(--primary);
    border-radius: 50%;
    margin-bottom: 1rem;
    font-weight: 700;
}

.reference-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-card {
    min-height: 210px;
}

.contact-wrap {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.5rem;
    align-items: start;
}

.contact-card {
    padding: 2rem;
}

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

.field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.field.full {
    grid-column: 1 / -1;
}

label {
    color: var(--text);
    font-weight: 600;
    font-size: 0.92rem;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(15, 23, 42, 0.8);
    color: var(--text);
    border-radius: 12px;
    padding: 0.9rem 0.95rem;
    font: inherit;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(0, 210, 255, 0.3);
    border-color: rgba(0, 210, 255, 0.6);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.alert {
    padding: 0.9rem 1rem;
    border-radius: 12px;
    margin-top: 1rem;
    border: 1px solid var(--line);
}

.alert.success {
    background: rgba(34, 197, 94, 0.1);
    color: #b7f7cc;
}

.alert.error {
    background: rgba(248, 113, 113, 0.1);
    color: #fecaca;
}

.alert.info {
    background: rgba(0, 210, 255, 0.08);
    color: #bdeeff;
}

.page-card {
    padding: 2rem;
}

.page-hero {
    padding-top: 3rem;
    padding-bottom: 1.5rem;
}

.breadcrumb {
    color: var(--muted);
    margin-bottom: 1rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.5rem;
    align-items: start;
}

.list-check {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
}

.list-check li {
    position: relative;
    padding-left: 1.6rem;
    margin-bottom: 0.7rem;
    color: var(--muted);
}

.list-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: rgba(9, 13, 22, 0.9);
    padding: 3rem 0 1.2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
    gap: 1.5rem;
}

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

.site-footer li {
    margin-bottom: 0.6rem;
    color: var(--muted);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 980px) {
    .hero-grid,
    .contact-wrap,
    .content-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .grid-4,
    .steps-grid,
    .reference-grid,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

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

    .nav-links {
        position: absolute;
        top: 100%;
        left: 1rem;
        right: 1rem;
        display: none;
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
        background: rgba(8, 12, 20, 0.97);
        border: 1px solid var(--line);
        border-radius: 16px;
    }

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

    .nav-actions {
        width: 100%;
        margin-left: 0;
        justify-content: space-between;
    }

    .form-grid,
    .features-grid,
    .grid-4,
    .steps-grid,
    .reference-grid,
    .grid-3,
    .hero-stats {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.6rem;
    }
}

/* Reference-inspired enterprise layout refinements */
body {
    font-family: 'DM Sans', sans-serif;
    background: #050a12;
}

h1, h2, h3, h4,
.brand-text {
    font-family: 'Manrope', sans-serif;
}

.brand-logo {
    width: auto;
    height: 44px;
    max-width: 52px;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    object-position: center;
}

.brand-fallback {
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #04121d;
    font-family: 'Manrope', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
}

.brand-wordmark {
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0;
}

.footer-brand .brand-logo {
    height: 40px;
    max-width: 48px;
}

.site-navbar {
    background: rgba(5, 10, 18, 0.88);
}

.nav-links {
    gap: 1.35rem;
}

.nav-link {
    font-size: 0.86rem;
}

.hero {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
    isolation: isolate;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: linear-gradient(90deg, rgba(5, 10, 18, 0.98) 0%, rgba(5, 10, 18, 0.84) 36%, rgba(5, 10, 18, 0.16) 78%), url('/assets/images/stratas-hero.png');
    background-position: center;
    background-size: cover;
}

.hero::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 150px;
    z-index: -1;
    background: linear-gradient(transparent, #080c14);
}

.hero-content {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    padding-top: 4rem;
    padding-bottom: 5rem;
}

.hero-copy {
    max-width: 780px;
}

.hero-copy h1 {
    max-width: 760px;
    font-size: clamp(2.8rem, 6vw, 5.6rem);
    letter-spacing: -0.045em;
}

.hero-copy p {
    max-width: 620px;
    font-size: 1.06rem;
}

.button-ghost {
    color: var(--text);
    border: 1px solid rgba(229, 238, 249, 0.3);
    background: rgba(5, 10, 18, 0.28);
}

.button-ghost span {
    margin-left: 0.45rem;
    color: var(--primary);
}

.hero-proof {
    display: grid;
    gap: 0.55rem;
    min-width: 190px;
    color: rgba(229, 238, 249, 0.72);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.proof-line {
    width: 44px;
    height: 2px;
    margin-bottom: 0.3rem;
    background: var(--primary);
}

.section {
    padding: 5.5rem 0;
}

.section-header {
    max-width: 680px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3.45rem);
    letter-spacing: -0.035em;
}

.feature-card,
.article-card,
.contact-card,
.page-card,
.stat-card {
    border-radius: 12px;
    box-shadow: none;
}

.feature-card,
.article-card {
    min-height: 250px;
}

.feature-card a,
.article-card a {
    color: var(--primary);
    font-weight: 700;
}

@media (max-width: 760px) {
    .brand-logo {
        height: 38px;
        max-width: 44px;
    }

    .hero {
        min-height: 650px;
    }

    .hero-backdrop {
        background-position: 62% center;
        background-image: linear-gradient(90deg, rgba(5, 10, 18, 0.98) 0%, rgba(5, 10, 18, 0.76) 70%, rgba(5, 10, 18, 0.42) 100%), url('/assets/images/stratas-hero.png');
    }

    .hero-content {
        display: block;
        padding-top: 5rem;
    }

    .hero-proof {
        margin-top: 3rem;
    }
}