:root {
    --primary: #2070b0;
    --primary-container: #3090d0;
    --on-primary: #ffffff;
    --secondary: #545f6e;
    --surface: #f7f9fb;
    --surface-container: #eceef0;
    --surface-container-low: #f2f4f6;
    --surface-container-high: #e6e8ea;
    --background: #f7f9fb;
    --on-background: #191c1e;
    --on-surface: #191c1e;
    --on-surface-variant: #404850;
    --outline: #707881;
    --outline-variant: #c0c7d1;
    --inverse-surface: #2d3133;
    --secondary-fixed-dim: #bcc7d8;
    --primary-fixed: #cce5ff;
    --unit: 8px;
    --margin-desktop: 64px;
    --margin-mobile: 16px;
    --gutter: 24px;
    --max-width: 1440px;
    --font-main: 'Space Grotesk', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-mono: 'Space Grotesk', sans-serif;
    --transition-standard: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 80px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-main);
    background: var(--background);
    color: var(--on-background);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

body.nav-open { overflow: hidden; }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--margin-desktop);
    width: 100%;
}

@media (max-width: 768px) {
    .container { padding: 0 var(--margin-mobile); }
}

/* Utilities */
.section-padding { padding: 96px 0; }
.section-header { margin-bottom: 64px; }
.section-header h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; }
.section-header p { color: var(--on-surface-variant); margin-top: 8px; max-width: 640px; }
.text-muted { color: var(--on-surface-variant); }
.dashed-sep { border-bottom: 1px dashed rgba(112, 120, 129, 0.3); }

.glass-panel {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(112, 120, 129, 0.2);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(255, 255, 255, 0.8);
}

.primary-button {
    background: linear-gradient(to bottom, #3aa0cf, #1b9be0);
    color: var(--on-primary);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 12px 32px;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-standard);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.primary-button:hover {
    box-shadow: 0 0 20px rgba(46, 134, 193, 0.4);
    transform: scale(1.02);
}

.secondary-button {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 12px 28px;
    border-radius: 0.5rem;
    border: 1px solid var(--outline-variant);
    background: transparent;
    color: var(--on-surface);
    cursor: pointer;
    transition: var(--transition-standard);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

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

.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary);
    background: rgba(0, 97, 147, 0.1);
    padding: 4px 16px;
    border-radius: 9999px;
    border: 1px solid rgba(0, 97, 147, 0.2);
    margin-bottom: 24px;
}

.material-symbols-outlined {
    vertical-align: middle;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Scroll progress */
.scroll-progress-container {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(112, 120, 129, 0.1);
    z-index: 99;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: #045082;
    transition: width 0.1s ease-out;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    background: rgba(247, 249, 251, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(192, 199, 209, 0.3);
}

.header-wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--margin-desktop);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

@media (max-width: 768px) {
    .header-wrap { padding: 0 var(--margin-mobile); }
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-favicon {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.site-logo {
    width: 90px;
    height: auto;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 14px;
}

.brand-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    line-height: 1.2;
}

.brand-text span {
    display: block;
    font-family: var(--font-mono);
    font-size: 8px;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--on-surface-variant);
    text-transform: uppercase;
}
.main-nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-standard);
}

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

.nav-link.active { border-bottom: 2px solid var(--primary); padding-bottom: 4px; }

.header-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--outline-variant);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.mobile-drawer {
    display: none;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: rgba(25, 28, 30, 0.5);
    z-index: 98;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-standard);
}

.mobile-drawer.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-panel {
    background: var(--surface);
    padding: 24px var(--margin-mobile);
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-bottom: 1px solid var(--outline-variant);
    transform: translateY(-100%);
    transition: transform var(--transition-standard);
}

.mobile-drawer.open .mobile-nav-panel { transform: translateY(0); }

@media (max-width: 900px) {
    .main-nav, .header-cta .secondary-button { display: none; }
    .nav-toggle { display: flex; }
    .mobile-drawer { display: block; }
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(135deg, #f3f4f6 0%, #e7e9ec 35%, #adc9f1 70%, #91c6f5 100%);
}

.hero-bg::before {
    content: "";
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(7, 40, 62, 0.08), transparent 70%);
    top: -200px;
    right: -150px;
    filter: blur(40px);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 80px 0 120px;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 92px);
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 32px;
}

.hero h1 span { color: var(--primary); }

.hero-lead {
    font-size: clamp(18px, 2.5vw, 28px);
    color: var(--on-surface-variant);
    max-width: 560px;
    margin-bottom: 48px;
}

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

/* Page hero (inner pages) */
.page-hero {
    padding: calc(var(--header-height) + 64px) 0 64px;
    background: linear-gradient(180deg, #e8f2fa 0%, var(--background) 100%);
}

.page-hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.page-hero .breadcrumb {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--on-surface-variant);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.page-hero .breadcrumb a:hover { color: var(--primary); }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gutter);
}

@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
    padding: 32px;
    border-radius: 0.75rem;
    text-align: center;
}

.stat-card .value {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-card .label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--on-surface-variant);
    margin-top: 12px;
}

/* Bento / products */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
}

.bento-item {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
}

.bento-item img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.bento-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(25, 28, 30, 0.75) 0%, transparent 55%);
    z-index: 1;
}

.bento-content {
    position: relative;
    z-index: 10;
    padding: 24px;
    border-radius: 0.5rem;
    width: 100%;
    color: var(--on-surface);
}

.bento-large { grid-column: span 8; }
.bento-small { grid-column: span 4; }

@media (max-width: 768px) {
    .bento-large, .bento-small { grid-column: span 12; }
    .bento-item { min-height: 400px; }
}

.spec-list { margin-top: 24px; }

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-family: var(--font-mono);
    font-size: 12px;
}

.spec-item span:last-child { color: var(--primary); font-weight: 700; }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary);
    margin-top: 24px;
    font-weight: 700;
}

/* Product cards grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gutter);
}

@media (max-width: 768px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card-image {
    height: 450px;
    overflow: hidden;
    position: relative;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-card-image img { transform: scale(1.05); }

.product-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }

.product-card-body h3 { font-size: 24px; margin-bottom: 12px; }

.feature-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 24px;
}

.feature-pill {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(0, 97, 147, 0.08);
    color: var(--primary);
    border: 1px solid rgba(0, 97, 147, 0.15);
}

/* Engineering */
.engineering-section { background: var(--surface-container-low); }

.eng-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
    align-items: center;
}

.eng-content { grid-column: span 5; }
.eng-visual { grid-column: span 7; position: relative; min-height: 500px; }

@media (max-width: 768px) {
    .eng-content, .eng-visual { grid-column: span 12; }
}

.feature-item { display: flex; gap: 24px; margin-top: 32px; }

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 0.5rem;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(112, 120, 129, 0.1);
    color: var(--primary);
    flex-shrink: 0;
}

.visual-main {
    position: absolute;
    top: 0;
    right: 0;
    width: 80%;
    height: 80%;
    border-radius: 0.75rem;
    overflow: hidden;
    padding: 8px;
    z-index: 10;
}

.visual-main img { width: 100%; height: 100%; object-fit: cover; border-radius: 0.5rem; }

.visual-badge {
    position: absolute;
    bottom: 50px;
    left: 50px;
    width: 170px;
    height: 150px;
    background: rgba(208, 215, 219, 0.35);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(3, 72, 136, 0.45);
    color: #013f6b;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 20;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.visual-badge .iso-text {
    font-size: 18px;
    font-weight: 800;
    font-family: var(--font-heading);
}

/* Carousel */
.app-carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 64px;
    gap: 24px;
    flex-wrap: wrap;
}

.carousel-nav { display: flex; gap: 16px; }

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 9999px;
    border: 1px solid rgba(112, 120, 129, 0.3);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-standard);
}

.carousel-btn:hover { background: var(--primary); color: var(--on-primary); }

.horizontal-scroll {
    display: flex;
    gap: var(--gutter);
    overflow-x: auto;
    padding-bottom: 32px;
    scroll-behavior: smooth;
    scrollbar-width: none;
}

.horizontal-scroll::-webkit-scrollbar { display: none; }

.app-card {
    min-width: min(400px, 85vw);
    padding: 32px;
    border-radius: 0.75rem;
    flex-shrink: 0;
}

.app-card .icon { font-size: 36px; color: var(--primary); margin-bottom: 24px; }

.app-card .footer {
    margin-top: 32px;
    padding-top: 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary);
}

/* Spec table */
.spec-table-wrap { overflow-x: auto; border-radius: 0.75rem; }

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.spec-table th,
.spec-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--outline-variant);
}

.spec-table th {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--surface-container-low);
    color: var(--on-surface-variant);
}

.spec-table tr:last-child td { border-bottom: none; }

/* Two column content */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gutter);
    align-items: start;
}

@media (max-width: 768px) { .split-grid { grid-template-columns: 1fr; } }

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info-card {
    padding: 28px;
    border-radius: 0.75rem;
    margin-bottom: 20px;
}

.contact-info-card h4 {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 12px;
}

.enquiry-form {
    padding: 40px;
    border-radius: 0.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--on-surface-variant);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--outline-variant);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 15px;
    background: var(--surface);
    transition: border-color var(--transition-standard);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-success {
    display: none;
    padding: 16px;
    background: rgba(0, 97, 147, 0.1);
    border: 1px solid rgba(0, 97, 147, 0.25);
    border-radius: 8px;
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 14px;
}

.form-success.visible { display: block; }

/* CTA band */
.cta-band {
    padding: 64px 0;
    background: linear-gradient(135deg, var(--primary) 0%, #034d75 100%);
    color: var(--on-primary);
    text-align: center;
}

.cta-band h2 { font-size: clamp(28px, 4vw, 36px); margin-bottom: 16px; }

.cta-band p { opacity: 0.9; max-width: 520px; margin: 0 auto 32px; }

.cta-band .secondary-button {
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
}

.cta-band .secondary-button:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
    color: white;
}

/* Certifications row */
.cert-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    align-items: center;
}

.cert-item {
    padding: 24px 32px;
    border-radius: 0.75rem;
    text-align: center;
    min-width: 200px;
}

.cert-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--primary);
}

/* Footer */
.site-footer {
    background: rgb(86, 85, 85);
    color: var(--secondary-fixed-dim);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(52, 55, 58, 0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: var(--gutter);
}

@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--surface);
    margin-bottom: 24px;
    display: block;
}

.footer-heading {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary-fixed);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

.footer-links { display: flex; flex-direction: column; gap: 12px; }

.footer-link:hover {
    color: var(--surface);
    transform: translateX(4px);
    transition: var(--transition-standard);
}

.footer-bottom {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid rgba(112, 120, 129, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 12px;
    flex-wrap: wrap;
    gap: 16px;
}

.social-links { display: flex; gap: 24px; }
.social-link:hover { color: var(--primary-fixed); }

/* Sticky enquire */
.sticky-enquire {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.sticky-enquire a {
    background: var(--primary);
    color: white;
    padding: 14px 20px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: 0 8px 24px rgba(0, 97, 147, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform var(--transition-standard);
}

.sticky-enquire a:hover { transform: scale(1.04); }

/* Scroll reveal */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal-on-scroll { opacity: 1; transform: none; transition: none; }
    .hero-content { transform: none !important; opacity: 1 !important; }
}

/* Timeline (about) */
.timeline { border-left: 2px solid var(--outline-variant); padding-left: 32px; margin-top: 32px; }

.timeline-item { position: relative; padding-bottom: 32px; }

.timeline-item::before {
    content: "";
    position: absolute;
    left: -39px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--surface);
}

.timeline-item .year {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
}

/* Downloads */
.download-list { display: flex; flex-direction: column; gap: 12px; }

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-radius: 0.5rem;
    gap: 16px;
}

.download-item span:first-child { font-weight: 500; }

/* Tabs */
.tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.tab-btn {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid var(--outline-variant);
    background: transparent;
    cursor: pointer;
    transition: var(--transition-standard);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Projects */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.project-filter-btn {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--outline-variant);
    background: var(--surface);
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: var(--transition-standard);
}

.project-filter-btn:hover,
.project-filter-btn.active {
    background: var(--primary);
    color: var(--on-primary);
    border-color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gutter);
}

@media (min-width: 640px) {
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .projects-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-standard), box-shadow var(--transition-standard);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.1);
}

.project-card.is-hidden {
    display: none;
}

.project-card-image {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-card-image img {
    transform: scale(1.05);
}

.project-card-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(25, 28, 30, 0.55) 0%, transparent 45%);
}

.project-type-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
}

.project-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-card-body h3 {
    font-size: 20px;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.project-card-body .location {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.project-card-body p {
    font-size: 14px;
    color: var(--on-surface-variant);
    flex: 1;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed rgba(112, 120, 129, 0.3);
}

.project-meta span {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--on-surface-variant);
}

.project-meta strong {
    color: var(--primary);
    font-weight: 700;
}

.projects-cta {
    margin-top: 64px;
    text-align: center;
    padding: 48px 32px;
    border-radius: 0.75rem;
}

/* Clients logo swiper */
.clients-section {
    padding: 56px 0;
    background: var(--surface-container-low);
    border-top: 1px solid rgba(112, 120, 129, 0.12);
    border-bottom: 1px solid rgba(112, 120, 129, 0.12);
    overflow: hidden;
}

.clients-section .section-label {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--on-surface-variant);
    margin-bottom: 28px;
}

.clients-swiper-wrap {
    position: relative;
    padding: 0 0 8px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.clients-swiper {
    width: 100%;
    overflow: hidden;
}

.clients-swiper .swiper-slide {
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    min-width: 140px;
    padding: 12px 28px;
    background: var(--surface);
    border: 1px solid rgba(112, 120, 129, 0.15);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.client-logo-slide img {
    height: 44px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.65);
    transition: filter 0.3s ease;
}

.clients-swiper .swiper-slide:hover .client-logo-slide {
    border-color: rgba(0, 97, 147, 0.25);
    box-shadow: 0 8px 24px rgba(0, 97, 147, 0.1);
    transform: translateY(-2px);
}

.clients-swiper .swiper-slide:hover .client-logo-slide img {
    filter: grayscale(0%) opacity(1);
}

.clients-swiper .swiper-wrapper {
    align-items: center;
}

.clients-swiper-wrap::before,
.clients-swiper-wrap::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: min(80px, 10vw);
    z-index: 2;
    pointer-events: none;
}

.clients-swiper-wrap::before {
    left: 0;
    background: linear-gradient(90deg, var(--surface-container-low) 0%, transparent 100%);
}

.clients-swiper-wrap::after {
    right: 0;
    background: linear-gradient(270deg, var(--surface-container-low) 0%, transparent 100%);
}

@media (max-width: 768px) {
    .client-logo-slide {
        min-width: 120px;
        padding: 10px 20px;
        height: 64px;
    }

    .client-logo-slide img {
        height: 30px;
    }
}