/* Foundation: reset, tokens, navigation, shared page primitives. */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h, var(--nav-offset, 90px));
}

@media (min-width: 1024px) {
    html {
        font-size: 85%;
    }
}

section[id],
[id^="section-"],
[data-anchor] {
    scroll-margin-top: var(--header-h, var(--nav-offset, 90px));
}

html, body {
    height: 100%;
}

body {
    font-family: "Inter Variable", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    overflow-x: hidden;
    padding-top: var(--header-h, var(--nav-offset, 80px));
}

body.page {
    background: #0b1c28;
    color: var(--text-on-navy);
}

body.nav-open {
    overflow: hidden;
}

.skip-link {
    display: inline-block;
    position: fixed !important;
    top: 8px;
    left: 8px;
    z-index: 100000 !important;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--brand-navy);
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 3px solid #ffbf47;
    outline-offset: 3px;
}

:root {
    --brand-navy: #0a2534;
    --brand-navy-700: #0e3247;
    --brand-navy-600: #13405a;
    --text-on-navy: #e9f1f6;
    --text-on-navy-2: #bfd0e8;
    --link-on-navy: #9ec3ff;
    --link-on-navy-h: #cfe2ff;

    
    --accent: #00bcd4;
    --panel: rgba(255, 255, 255, 0.08);
    --overlay: rgba(0, 0, 0, 0.35);
    --section-pad-y: clamp(48px, 6vw, 96px);
    --section-pad-y-tight: clamp(32px, 4vw, 72px);
    --container-max: 1200px;
    --container-content-width: 1000px;
    --container-inline-pad: 24px;
    --container-pad-x: clamp(16px, 3vw, 32px);
    --grid-gap: clamp(16px, 2.5vw, 32px);
    --nav-offset: 80px;
    --white-08: rgba(255, 255, 255, 0.08);
    --white-12: rgba(255, 255, 255, 0.12);
    --white-18: rgba(255, 255, 255, 0.18);
    --white-40: rgba(255, 255, 255, 0.4);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-3xl: 20px;
    --shadow-card-soft: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-card-strong: 0 10px 30px rgba(0, 0, 0, 0.25);
    --transition-standard: all 0.3s ease;
}

@media (min-width: 1024px) {
    :root {
        --section-pad-y: clamp(32px, 5vw, 64px);
        --section-pad-y-tight: clamp(24px, 3vw, 48px);
        --container-max: 1000px;
        --nav-offset: 70px;
    }
}

.container {
    width: min(var(--container-content-width), 92vw);
    margin-inline: auto;
    padding-inline: var(--container-inline-pad);
}

@media (min-width: 1024px) {
    .container {
        width: min(var(--container-content-width), 94vw);
    }
}

.section {
    padding: 40px 0;
    padding-block: var(--section-pad-y);
}

.lead {
    font-size: 1.15rem;
    opacity: 0.92;
}

.max-720 {
    max-width: 720px;
    margin-inline: auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    color: #000000;
    border-bottom: 1px solid var(--white-12);
    backdrop-filter: blur(10px);
    transition: var(--transition-standard);
    z-index: 1000;
}

.navbar.is-solid {
    background: linear-gradient(180deg, var(--brand-navy-700) 0%, var(--brand-navy) 100%);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.12);
}

body.has-sticky .navbar {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.navbar.is-stuck {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

/* Contact Us Button */
.contact-nav-btn {
    background: var(--accent);
    color: #ffffff !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition-standard);
    position: relative;
    overflow: hidden;
}

.contact-nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        to right,
        transparent 0%,
        var(--white-40) 50%,
        transparent 100%
    );
    transform: skewX(-25deg);
    animation: shine 3s infinite;
}

.contact-nav-btn:hover {
    filter: brightness(0.92);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 33, 102, 0.35);
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

.nav-container {
    max-width: var(--container-content-width);
    margin: 0 auto;
    padding: 12px var(--container-inline-pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

@media (min-width: 769px) {
    .nav-toggle {
        display: none !important;
    }

    .nav-menu {
        display: flex !important;
        position: static;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 1.2rem !important;
        width: auto;
        padding: 0;
        background: transparent;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        box-shadow: none;
    }
}

@media (max-width: 768px) {
    .nav-container {
        min-height: 72px;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
        z-index: 1200;
    }

    body.nav-open .nav-toggle span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    body.nav-open .nav-toggle span:nth-child(2) {
        opacity: 0;
    }

    body.nav-open .nav-toggle span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .nav-menu {
        display: flex !important;
        position: fixed;
        inset: 0;
        background: #0d1b2a;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 6rem 1.5rem 2rem;
        gap: 1.5rem;
        z-index: 1100;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition:
            transform 0.25s ease,
            opacity 0.2s ease,
            visibility 0s linear 0.25s;
        overflow-y: auto;
    }

    body.nav-open .nav-menu {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition-delay: 0s;
    }

    .nav-menu > li {
        width: 100%;
        text-align: center;
    }

    .nav-menu > li > a,
    .nav-menu > li > button {
        width: 100%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        padding: 0.75rem 0;
    }

    .nav-menu a {
        pointer-events: auto;
    }

    .dropdown {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        width: 100%;
        background: transparent;
        box-shadow: none;
        padding: 0;
        margin-top: 0;
    }

    .dropdown-menu li + li {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .dropdown-menu a {
        padding: 0.5rem 0;
    }
}

/* Lumico Logo */
.lumico-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
    gap: 0.75rem;
}

.lumico-logo:hover {
    transform: scale(1.05);
}

.logo-image {
    height: auto;
    transition: all 0.3s ease;
    background: transparent;
    border-radius: 4px;
}

.logo-image:not([src]) {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    min-height: 45px;
    min-width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image:not([src])::before {
    content: 'Lumico Engineering';
    color: #64748b;
    font-size: 1rem;
    font-weight: 600;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.company-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-on-navy);
    line-height: 1.1;
    white-space: nowrap;
}

.logo-fallback {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-on-navy);
    display: flex;
    align-items: center;
    height: 45px;
}

/* Navigation Logo */
.nav-logo .logo-image {
    height: 45px;
    max-width: 150px;
    display: block;
    opacity: 1;
    visibility: visible;
}

.nav-logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-on-navy);
    background: none;
    -webkit-background-clip: text;
    -webkit-text-fill-color: currentColor;
    background-clip: border-box;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
    list-style: none;
}

.nav-menu > li > a,
.nav-menu > li > button {
    color: var(--text-on-navy);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-menu > li > a:hover,
.nav-menu > li > button:hover {
    opacity: 0.85;
}

.nav-menu a.tab-link.active {
    color: var(--link-on-navy);
    font-weight: 700;
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dropdown-toggle i {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    min-width: 220px;
    padding: 8px 0;
    background: var(--brand-navy-700);
    border: 1px solid rgba(191, 208, 232, 0.12);
    border-radius: 10px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 10px 14px;
    color: var(--text-on-navy);
    text-decoration: none;
    transition: background 0.2s ease;
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
    display: none;
    border: 0;
    background: rgba(233, 241, 248, 0.12);
    color: var(--text-on-navy);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-direction: column;
    transition: background 0.2s ease;
    position: relative;
    z-index: 1200;
}

.engineering-icons i:nth-child(3) {
    bottom: 30%;
    left: 25%;
    animation-delay: 4s;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    margin-top: 0;
    line-height: 1.3;
}
.service-card h3,
.service-card h3 a {
  color: #ffffff !important;
}

.service-card ul {
    text-align: left;
    margin: 1rem 0 2rem 0;
    padding-left: 1.4rem;
    list-style-position: outside;
}

.service-card ul li {
    color: #b0bec5;
    font-weight: 400;
    line-height: 1.5;
}

/* Desktop-only: make Services section more compact (do not affect mobile) */
@media (min-width: 769px) {
    .services-hero {
        padding: 2.25rem 0;
    }

    .services-hero :is(h1, h2),
    .services-hero-content :is(h1, h2) {
        font-size: 2.6rem;
    }

    .services-cards {
        padding: 2.25rem 0;
        gap: 1.5rem;
    }

    .service-card {
        padding: 1.75rem 1.75rem;
    }

    .service-icon {
        width: 64px;
        height: 64px;
        margin-bottom: 1.25rem;
        font-size: 1.6rem;
    }

    .service-card h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .service-card ul {
        margin: 0.75rem 0 1.25rem 0;
    }

    .service-card ul li {
        font-size: 0.92rem;
        line-height: 1.4;
    }
}

.anchor-offset {
    scroll-margin-top: var(--nav-offset);
}
/* Hero overlay stacking adjustment */
.page-hero {
    position: relative;
    isolation: isolate;
}

.page-hero::before,
.page-hero::after {
    z-index: 0;
}

.page-hero--service {
    background: linear-gradient(180deg, rgba(13, 25, 38, 0.94) 0%, rgba(8, 18, 30, 0.98) 100%);
    color: var(--text-on-navy);
    padding: clamp(72px, 12vw, 140px) 0 clamp(40px, 8vw, 72px);
}

.page-hero--service .page-subtitle {
    max-width: 760px;
    color: rgba(233, 241, 248, 0.82);
}

#engineering-capability {
    position: relative;
    z-index: 1;
}

/* Capability page - apply hero background to entire page */
body.page-engineering,
body.page-digital,
body.page-policy {
    background: url("/assets/images/clients/lumico_background_wordless.webp") center 35% / cover no-repeat fixed;
    position: relative;
}

body.page-engineering::before,
body.page-digital::before,
body.page-policy::before {
    content: "";
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(80% 60% at 65% 50%, rgba(5, 16, 26, 0.35) 0%, rgba(5, 16, 26, 0.85) 55%, rgba(5, 16, 26, 0.95) 100%),
        linear-gradient(rgba(158, 195, 255, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(158, 195, 255, 0.12) 1px, transparent 1px);
    background-size: auto, 100px 100px, 100px 100px;
    pointer-events: none;
    z-index: 0;
    opacity: 1;
}

body.page-engineering::after,
body.page-digital::after,
body.page-policy::after {
    content: "";
    position: fixed;
    inset: 0;
    background: linear-gradient(180deg, var(--overlay) 0%, rgba(0, 0, 0, 0.55) 65%, rgba(0, 0, 0, 0.7) 100%);
    pointer-events: none;
    z-index: 0;
}

body.page-engineering > *,
body.page-digital > *,
body.page-policy > * {
    position: relative;
    z-index: 1;
}

/* Capability page hero - smaller and left-aligned */
.hero-capability,
.hero-digital,
.hero-safety,
.hero-services {
    min-height: clamp(40vh, 50vh, 60vh);
    padding: clamp(40px, 8vw, 80px) 0;
    background: transparent !important;
}

.hero-capability::before,
.hero-capability::after,
.hero-digital::before,
.hero-digital::after,
.hero-safety::before,
.hero-safety::after,
.hero-services::before,
.hero-services::after {
    display: none !important;
}

.hero-left-capability,
.hero-left-digital,
.hero-left-safety,
.hero-left-services {
    text-align: left;
    align-items: flex-start;
    gap: 12px;
}

.hero-left-capability .policy-breadcrumb,
.hero-left-digital .policy-breadcrumb,
.hero-left-safety .policy-breadcrumb,
.hero-left-services .policy-breadcrumb {
    font-size: 0.75rem;
    margin-bottom: 8px;
}

.hero-title-capability,
.hero-title-digital,
.hero-title-safety,
.hero-title-services {
    font-size: clamp(28px, 4vw, 42px) !important;
    margin-bottom: 8px;
}

.hero-subheading-capability,
.hero-subheading-digital,
.hero-subheading-safety,
.hero-subheading-services {
    font-size: clamp(16px, 2vw, 20px) !important;
    margin-top: 4px;
}

/* Services page - white text in hero */
.hero-left-services {
    color: var(--text-on-navy) !important;
}

.hero-left-services .policy-breadcrumb {
    color: rgba(233, 241, 248, 0.65) !important;
}

.hero-left-services .policy-breadcrumb a {
    color: rgba(233, 241, 248, 0.65) !important;
}

.hero-title-services,
.hero-title-services .hero-title-line {
    color: #ffffff !important;
}

.hero-subheading-services {
    color: var(--link-on-navy) !important;
}

.service-detail-icon {
    color: #ffffff !important;
}

/* Desktop view - hero positioned right below navbar with no spacing */
@media (min-width: 769px) {
    .hero-capability,
    .hero-digital,
    .hero-safety,
    .hero-services {
        min-height: auto !important;
        padding: 0 !important;
        margin: 0 !important;
        display: block;
        align-items: flex-start !important;
    }
    
    .hero-capability .hero-inner,
    .hero-digital .hero-inner,
    .hero-safety .hero-inner,
    .hero-services .hero-inner {
        max-width: 800px;
        margin-left: 0;
        margin-right: auto;
        padding: clamp(8px, 1vw, 16px) 0 clamp(40px, 5vw, 64px) clamp(24px, 4vw, 48px) !important;
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        gap: 0 !important;
        align-items: flex-start !important;
    }
    
    .hero-left-capability,
    .hero-left-digital,
    .hero-left-safety,
    .hero-left-services {
        gap: clamp(8px, 1vw, 12px) !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .hero-left-capability .policy-breadcrumb,
    .hero-left-digital .policy-breadcrumb,
    .hero-left-safety .policy-breadcrumb,
    .hero-left-services .policy-breadcrumb {
        margin-bottom: clamp(12px, 1.5vw, 20px) !important;
        padding: 0 !important;
        line-height: 1.4;
    }
    
    .hero-title-capability,
    .hero-title-digital,
    .hero-title-safety,
    .hero-title-services {
        margin-bottom: clamp(12px, 1.5vw, 20px) !important;
        margin-top: 0 !important;
        padding: 0 !important;
        line-height: 1.2;
        white-space: nowrap;
    }
    
    .hero-title-capability .hero-title-line,
    .hero-title-digital .hero-title-line,
    .hero-title-safety .hero-title-line,
    .hero-title-services .hero-title-line {
        display: inline-block;
        white-space: nowrap;
    }
    
    .hero-subheading-capability,
    .hero-subheading-digital,
    .hero-subheading-safety,
    .hero-subheading-services {
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        padding: 0 !important;
        line-height: 1.5;
        display: block;
    }
}

/* Main section - background comes from body */
.main-capability,
.main-digital {
    position: relative;
    z-index: 1;
}

.main-capability .hero-background,
.main-capability .hero-overlay,
.main-capability .hero-grid-overlay,
.main-digital .hero-background,
.main-digital .hero-overlay,
.main-digital .hero-grid-overlay {
    display: none;
}

.main-capability .section-capability,
.main-digital .section-digital {
    position: relative;
    z-index: 1;
    padding: clamp(40px, 8vw, 80px) 0;
}

/* Desktop view - user-friendly spacing after header */
@media (min-width: 769px) {
    .main-capability,
    .main-digital {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    .main-capability .section-capability,
    .main-digital .section-digital {
        padding-top: clamp(32px, 4vw, 48px) !important;
        margin-top: 0 !important;
        padding-bottom: clamp(40px, 8vw, 80px);
        padding-block-start: clamp(32px, 4vw, 48px) !important;
    }
    
    .main-capability .container,
    .main-digital .container {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }
    
    .main-capability .capability-grid,
    .main-digital .capability-grid {
        margin-top: 0 !important;
        padding-top: 0 !important;
        gap: clamp(24px, 3vw, 32px) !important;
    }
}
@media (min-width: 769px) {
    .main-capability .section-capability {
        padding-top: 0;
        padding-bottom: clamp(40px, 8vw, 80px);
    }
}

@media (max-width: 768px) {
    .hero-left-capability,
    .hero-left-digital,
    .hero-left-safety,
    .hero-left-services {
        text-align: left;
        align-items: flex-start;
    }
    
    .hero-capability,
    .hero-digital,
    .hero-safety,
    .hero-services {
        min-height: clamp(35vh, 45vh, 55vh);
        padding: clamp(30px, 6vw, 60px) 0;
    }
}

/* Fix footer-bottom spacing on all pages */
body.page-engineering .footer-bottom,
body.page-digital .footer-bottom,
body.page-policy .footer-bottom,
.footer-bottom {
    margin-top: clamp(24px, 3vw, 32px) !important;
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
    padding-top: 1rem;
}

/* Ensure back-to-top button positioning is correct on all pages */
body.page-engineering .back-to-top,
body.page-digital .back-to-top,
body.page-policy .back-to-top {
    z-index: 2147483647 !important;
    position: fixed !important;
    right: 20px !important;
    bottom: 20px !important;
}

body.page-engineering .back-to-top.is-visible,
body.page-digital .back-to-top.is-visible,
body.page-policy .back-to-top.is-visible {
    transform: translateY(0) !important;
}

@media (max-width: 768px) {
    body.page-engineering .back-to-top,
    body.page-digital .back-to-top,
    body.page-policy .back-to-top {
        right: 16px !important;
        bottom: 16px !important;
    }
}

.capability-grid {
    display: grid;
    gap: clamp(20px, 4vw, 28px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1024px) {
    .capability-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .capability-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .capability-grid .card-body {
        padding: 15px;
    }

    .capability-grid .card-title {
        font-size: 0.9rem !important;
        margin-bottom: 8px;
        padding-bottom: 6px;
    }

    .capability-grid .card-text {
        font-size: 0.75rem !important;
        line-height: 1.4;
    }
}

.capability-grid .card {
    background: rgba(10, 24, 38, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.capability-grid .card:hover {
    transform: translateY(-6px);
    box-shadow: 0 26px 48px rgba(0, 0, 0, 0.32);
    border-color: rgba(0, 188, 212, 0.35);
}

.capability-grid .card-body {
    padding: clamp(22px, 4vw, 30px);
}

.capability-grid .card-title {
    margin: 0 0 12px;
    color: var(--text-on-navy);
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding-bottom: 10px;
}

.capability-grid .card-text {
    margin: 0;
    color: rgba(233, 241, 248, 0.85);
    line-height: 1.7;
    max-width: 70ch;
}

.capability-grid .card-text ul,
.capability-grid ul.card-text,
.capability-grid ul.card-list {
    list-style: none;
    margin: 12px 0 0;
    padding: 0;
    display: grid;
    gap: 6px;
}

.capability-grid .card-text li,
.capability-grid ul.card-text li,
.capability-grid ul.card-list li {
    color: rgba(233, 241, 248, 0.85);
}

/* Safety Policy hero image */
.page-policy .page-hero,
.page-policy .page-hero--service,
.safety-policy .page-hero {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Page hero + feature layouts */
.page-hero--navy {
    background: linear-gradient(180deg, rgba(9, 24, 38, 0.92) 0%, rgba(6, 16, 28, 0.98) 100%);
    color: var(--text-on-navy);
}

.page-hero--navy .container {
    display: grid;
    gap: clamp(18px, 4vw, 28px);
}

.page-subtitle {
    max-width: 760px;
    color: rgba(233, 241, 248, 0.82);
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.7;
}

.page-body {
    padding-block: var(--section-pad-y);
}

.page-body .container,
.page-body.container {
    display: grid;
    gap: clamp(24px, 4vw, 32px);
}

.feature-grid {
    display: grid;
    gap: clamp(20px, 4vw, 28px);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.feature-card {
    background: rgba(9, 24, 38, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: clamp(24px, 4vw, 32px);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(10px);
    display: grid;
    gap: 14px;
}

.feature-card h3 {
    color: var(--text-on-navy);
    font-size: clamp(1.2rem, 2.2vw, 1.4rem);
}

.feature-card p {
    color: rgba(233, 241, 248, 0.82);
    line-height: 1.65;
}

@media (max-width: 768px) {
    .feature-card {
        padding: clamp(20px, 6vw, 28px);
    }
}
/* Back to top button */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 52px;
    height: 52px;
    border-radius: 999px;
    border: none;
    outline: none;
    cursor: pointer;
    background: #08b6c4;
    color: #0b1b2a;
    box-shadow: 0 10px 24px rgba(0,0,0,.25);
    z-index: 2147483647;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

/* Ensure back-to-top button is above all overlays on special pages */
body.page-engineering .back-to-top,
body.page-digital .back-to-top,
body.page-policy .back-to-top {
    z-index: 2147483647;
    position: fixed;
    right: 20px;
    bottom: 20px;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

body.nav-open .back-to-top {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.back-to-top i {
    pointer-events: none;
    font-size: 1rem;
}

.back-to-top:hover {
    filter: brightness(1.05);
}

.back-to-top:active {
    transform: scale(0.95);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-delay: 0ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }

    .back-to-top {
        transition: none;
    }
    
    .back-to-top:active {
        transform: scale(0.98);
    }
}

/* Mobile styles */
@media (max-width: 768px) {
    .back-to-top {
        width: 56px;
        height: 56px;
        right: 16px;
        bottom: 16px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(8, 182, 196, 0.3);
    }

    .back-to-top i {
        font-size: 1.15rem;
    }
}

@media (max-width: 640px) {
    .back-to-top {
        width: 56px;
        height: 56px;
        right: clamp(14px, 4vw, 20px);
        bottom: clamp(14px, 4vw, 20px);
    }

    .back-to-top i {
        font-size: 1.2rem;
    }
}

/* Safe area support for notched devices - with mobile priority */
@supports (bottom: calc(env(safe-area-inset-bottom) + 16px)) {
    .back-to-top {
        bottom: calc(env(safe-area-inset-bottom) + 16px);
    }
    
    @media (max-width: 768px) {
        .back-to-top {
            bottom: calc(env(safe-area-inset-bottom) + 16px);
            right: calc(env(safe-area-inset-right) + 16px);
        }
    }
    
    @media (max-width: 640px) {
        .back-to-top {
            bottom: calc(env(safe-area-inset-bottom) + clamp(14px, 4vw, 20px));
            right: calc(env(safe-area-inset-right) + clamp(14px, 4vw, 20px));
        }
    }
}


.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}