/* ==================================================
   DUALTECH — Security Systems Portfolio
    Φωτογραφικό Portfolio — ένα project του Nexus Digital Digital Studio
   ================================================== */

:root {
    --ink: #cbd5e1;
    --bg: #181614;
    --paper: #1f1d1a;
    --muted: #94a3b8;
    --line: rgba(255, 255, 255, 0.07);
    --accent: #3b82f6;
    --accent-soft: #60a5fa;
    --accent-dark: #1d4ed8;
    --safe: #10b981;
    --white: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Manrope", Arial, sans-serif;
    background: var(--bg);
    color: #c8c2b8;
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container {
    width: min(100% - 64px, 1240px);
    margin-inline: auto;
}

/* ---------- Buttons ---------- */

.dx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, background 0.3s ease, color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dx-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dx-btn:hover::before { opacity: 1; }
.dx-btn:hover { transform: translateY(-2px); }

.dx-btn-accent {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    color: #0f172a;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
}

.dx-btn-accent:hover {
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
    transform: translateY(-3px);
}

.dx-btn-light {
    background: rgba(255, 255, 255, 0.08);
    color: #60a5fa;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.dx-btn-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(96, 165, 250, 0.4);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.dx-btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #e7e3dc;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
}

.dx-btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.dx-btn-block { width: 100%; margin-top: 6px; }

/* ---------- Header ---------- */

.dx-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(18, 16, 14, 0.95);
    backdrop-filter: blur(16px) saturate(130%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.dx-header.is-scrolled {
    background: rgba(18, 16, 14, 0.98);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.dx-nav {
    height: 78px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.dx-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #f1f5f9;
}

.dx-nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto;
}

.dx-nav-links a {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.06em;
    transition: color 0.25s ease;
}

.dx-nav-links a:hover { color: var(--accent-soft); }

.dx-nav .dx-btn { margin-left: 6px; }

/* ---------- Language Switcher ---------- */

.dx-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

    .dx-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    color: var(--accent-soft);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.dx-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--accent);
}

/* ---------- Section scaffolding ---------- */

.dx-section { padding: 120px 0; }

.dx-section--dark { background: #1c1a17; color: #c8c2b8; }

.dx-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 52px;
}

.dx-section-head h2 {
    max-width: 700px;
    margin: 0;
    font-family: "Playfair Display", serif;
    font-size: clamp(34px, 4.6vw, 60px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.01em;
}

.dx-section-head h2 span { color: var(--accent); font-style: italic; }

.dx-section--dark .dx-section-head h2 span { color: var(--accent-soft); }

.dx-section-intro {
    max-width: 360px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
    font-weight: 400;
}

.dx-section--dark .dx-section-intro { color: rgba(241, 245, 249, 0.7); }

.dx-installation-image {
    display: none;
}

.dx-coverage-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 32px 0 0;
}

.dx-coverage-list li {
    padding: 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    background: rgba(28, 26, 23, 0.6);
    color: #e7e3dc;
    font-size: 13px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-coverage-list li:hover {
    transform: translateY(-2px);
    border-color: rgba(96, 165, 250, 0.4);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.dx-center-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.dx-center-head h2 {
    margin: 0;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(30px, 4vw, 52px);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.01em;
}

.dx-center-head h2 span { color: var(--accent); font-style: italic; }

.dx-center-head .dx-eyebrow { justify-content: center; }

.dx-center-head p:not(.dx-eyebrow) {
    margin-top: 18px;
    color: rgba(231, 227, 220, 0.65);
    font-size: 15px;
    line-height: 1.75;
    font-weight: 400;
}

/* ---------- Hero ---------- */

.dx-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 160px 0 96px;
    color: #e7e3dc;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(18, 16, 14, 0.96), rgba(18, 16, 14, 0.72) 55%, rgba(18, 16, 14, 0.4));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.dx-hero-bg {
    position: absolute;
    inset: 0;
    background-image: none;
    background-size: cover;
    background-position: center;
    transform: scale(1.04);
}

.dx-hero-shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(18, 16, 14, 0.95) 0%, rgba(18, 16, 14, 0.8) 40%, rgba(18, 16, 14, 0.5) 100%),
        radial-gradient(circle at 70% 30%, rgba(96, 165, 250, 0.08), transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.05), transparent 50%);
}

.dx-hero-inner { position: relative; z-index: 2; }

.dx-hero h1 {
    max-width: 860px;
    margin: 0;
    font-family: "Playfair Display", serif;
    font-size: clamp(40px, 6.4vw, 86px);
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -0.02em;
    color: #e7e3dc;
}

.dx-hero h1 span {
    display: block;
    color: #60a5fa;
    font-style: italic;
}

.dx-lead {
    max-width: 560px;
    margin-top: 26px;
    color: rgba(231, 227, 220, 0.75);
    font-size: 16px;
    line-height: 1.8;
}

.dx-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.dx-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    margin-top: 56px;
}

.dx-hero-stats div { display: grid; gap: 2px; }

.dx-hero-stats dt {
    font-family: "Space Grotesk", sans-serif;
    font-size: 34px;
    font-weight: 600;
    color: #60a5fa;
    transition: color 0.3s ease;
}

.dx-hero-stats dd {
    color: rgba(231, 227, 220, 0.55);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.dx-scroll {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    z-index: 2;
    color: rgba(231, 227, 220, 0.55);
    font-size: 9px;
    letter-spacing: 0.18em;
}

.dx-scroll strong {
    font-size: 16px;
    color: #60a5fa;
    animation: dxbounce 1.6s infinite;
}

@keyframes dxbounce { 50% { transform: translateY(5px); } }

/* Stats counter animation */
.dx-hero-stats div {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.dx-hero-stats div:nth-child(1) { animation-delay: 0.2s; }
.dx-hero-stats div:nth-child(2) { animation-delay: 0.4s; }
.dx-hero-stats div:nth-child(3) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 12px 32px rgba(59, 130, 246, 0.45); }
    50% { box-shadow: 0 12px 40px rgba(59, 130, 246, 0.7); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ---------- Page Load Animation ---------- */

.dx-hero-copy {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards 0.2s;
}

.dx-hero-actions {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards 0.5s;
}

.dx-hero-stats {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards 0.7s;
}

/* ---------- Smooth Scroll ---------- */

html {
    scroll-behavior: smooth;
}

/* ---------- Service Cards Hover ---------- */

.dx-service {
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-service:hover {
    transform: translateY(-6px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

/* ---------- Sticky CTA Pulse ---------- */

.dx-sticky-cta {
    animation: pulse 2s ease-in-out infinite;
}

.dx-sticky-cta:hover {
    animation: none;
}

/* Smooth hover transitions for all interactive elements */
.dx-service,
.dx-testimonials blockquote,
.dx-form,
.dx-shot {
    will-change: transform, box-shadow;
}

.dx-service,
.dx-testimonials blockquote,
.dx-form {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.3s ease, 
                border-color 0.3s ease,
                background 0.3s ease;
}

/* Subtle gradient overlays for modern look */
.dx-section {
    position: relative;
}

.dx-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(96, 165, 250, 0.3), 
        transparent
    );
    opacity: 0.5;
}

    /* ---------- Services ---------- */

.dx-services-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.dx-service {
    position: relative;
    padding: 30px 28px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    background: rgba(30, 28, 26, 0.6);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-service:hover {
    transform: translateY(-4px);
    border-color: rgba(249, 115, 22, 0.45);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.25);
}

.dx-service-no {
    font-family: "Playfair Display", serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

.dx-service h3 {
    margin: 20px 0 14px;
    font-family: "Playfair Display", serif;
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.01em;
}

.dx-service p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    line-height: 1.75;
    font-weight: 400;
}

/* ==================================================
   DUALTECH — V2 INDUSTRIAL / TECH DESIGN
   Πλήρες override του αρχικού στυλ.
   Διαφορετικό από το editorial LUMEN: τετράγωνα,
   mono labels, uppercase technical headings, HUD.
   ================================================== */

/* ---------- Base ---------- */

.dx-section,
.dx-footer,
body { background: #12100e; }

body { color: #c8c2b8; font-family: "Manrope", sans-serif; }

.dx-eyebrow,
.dx-section-label,
.dx-hud-top,
.dx-hud-status,
.dx-service-no,
.dx-shot figcaption span,
.dx-about-points dt,
.dx-contact-details dt,
.dx-footer-contact span,
.dx-form-field label,
.dx-testimonials footer span {
    font-family: "IBM Plex Mono", monospace;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.dx-section-head h2,
.dx-center-head h2,
.dx-hero h1,
.dx-about-copy h2,
.dx-contact-copy h2,
.dx-service h3,
.dx-shot figcaption strong,
.dx-testimonials footer strong {
    font-family: "Space Grotesk", sans-serif;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    font-weight: 700;
}

/* ---------- Buttons: sharp, squared corners ---------- */

.dx-btn {
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-family: "IBM Plex Mono", monospace;
}

.dx-btn-accent {
    background: #2563eb;
    color: #ffffff;
    border: 1px solid #2563eb;
    box-shadow: none;
}

.dx-btn-accent:hover { background: #1d4ed8; color: #ffffff; }

.dx-btn-ghost {
    border-color: rgba(255, 255, 255, 0.25);
    background: transparent;
    color: #f1f5f9;
}

.dx-btn-light {
    border: 1px solid #3b82f6;
    background: transparent;
    color: #60a5fa;
}

.dx-btn-light:hover { background: #2563eb; color: #ffffff; }

/* ---------- Header ---------- */

.dx-header {
    background: rgba(30, 28, 26, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.dx-header.is-scrolled { background: rgba(30, 28, 26, 0.97); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35); }

.dx-nav-links a {
    font-family: "IBM Plex Mono", monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(241, 245, 249, 0.8);
}

/* ---------- Hero ---------- */

.dx-hero-bg {
    filter: grayscale(0.85) brightness(0.8);
}

.dx-hero {
    color: #f1f5f9;
    background:
        linear-gradient(90deg, rgba(30, 28, 26, 0.92), rgba(30, 28, 26, 0.72) 55%, rgba(30, 28, 26, 0.55));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.dx-hero-shade {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: rgba(18, 16, 14, 0.95);
    pointer-events: none;
}

.dx-hero-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 70%;
    background-image: url('images/dualtech-logo.jpeg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.25;
    pointer-events: none;
    z-index: 1;
}

.dx-hero-grid {
    position: relative;
    z-index: 4;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.dx-hero-copy { position: relative; }

.dx-hero h1 {
    font-size: clamp(38px, 5.4vw, 72px);
    line-height: 1.04;
    color: #ffffff;
}

.dx-hero h1 em {
    display: block;
    font-style: normal;
    color: rgba(241, 245, 249, 0.7);
    font-size: 0.62em;
    letter-spacing: 0.06em;
    margin-top: 10px;
}

.dx-hero h1 span {
    display: block;
    color: #60a5fa;
    font-size: 0.78em;
    margin-top: 8px;
}

.dx-lead {
    color: rgba(241, 245, 249, 0.8);
    font-size: 15px;
    line-height: 1.85;
    border-left: 3px solid #3b82f6;
    padding-left: 18px;
}

.dx-hero-stats dt {
    font-family: "Space Grotesk", sans-serif;
    font-size: 34px;
    color: #60a5fa;
}

.dx-hero-stats dd { color: rgba(241, 245, 249, 0.6); }

/* ---------- HUD panel ---------- */

.dx-hud {
    background: #252321;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
    position: relative;
}

.dx-hud::before, .dx-hud::after {
    content: "";
    position: absolute;
    width: 22px; height: 22px;
    border: 2px solid #3b82f6;
    pointer-events: none;
}

.dx-hud::before { top: -2px; left: -2px; border-bottom: 0; border-right: 0; }
.dx-hud::after { bottom: -2px; right: -2px; border-top: 0; border-left: 0; }

.dx-hud-top {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 10px;
    color: #60a5fa;
}

.dx-hud-top span:last-child { color: #ef4444; }

.dx-hud-screen {
    height: 250px;
    background-image: none;
    background-size: cover;
    background-position: center;
    filter: grayscale(0.6) contrast(1.1);
}

.dx-hud-status {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.dx-hud-status div {
    padding: 14px 8px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.dx-hud-status div:last-child { border-right: 0; }
.dx-hud-status dt { display: block; font-size: 10px; color: rgba(241,245,249,.6); margin-bottom: 4px; }
.dx-hud-status dd { color: #60a5fa; font-size: 11px; font-weight: 600; margin: 0; }

    /* ---------- Section headings: technical ---------- */

.dx-eyebrow::before { background: #3b82f6; width: 30px; }

.dx-section-head h2,
.dx-center-head h2 { color: #ffffff; }

.dx-section-head h2 span,
.dx-center-head h2 span { color: #60a5fa; font-style: normal; }

.dx-section-intro,
.dx-center-head p:not(.dx-eyebrow) { color: rgba(241, 245, 249, 0.7); }

.dx-section--dark { background: #1c1a17; color: #c8c2b8; }

/* ---------- Services: numbered system modules ---------- */

.dx-services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.dx-service {
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    background: rgba(28, 26, 23, 0.8);
    padding: 34px 30px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.dx-service:hover {
    border-color: rgba(96, 165, 250, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(96, 165, 250, 0.1);
    background: rgba(28, 26, 23, 0.95);
}

.dx-service-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    border: 1px solid rgba(96, 165, 250, 0.2);
}

.dx-service-no {
    color: #60a5fa;
    font-size: 12px;
}

.dx-service-no::after {
    content: " // MODULE";
    color: rgba(241, 245, 249, 0.35);
}

.dx-service h3 { color: #ffffff; font-size: 22px; letter-spacing: 0; }

.dx-service p { color: rgba(241, 245, 249, 0.7); }

/* ---------- Gallery: security feed grid ---------- */

.dx-gallery {
    gap: 10px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dx-shot {
    border-radius: 16px;
    background: linear-gradient(135deg, #252321, #1c1a17);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.dx-shot:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(96, 165, 250, 0.15);
}

/* Μικρότερο μέγεθος φωτογραφιών: πιο συμπαγές aspect-ratio */

.dx-shot::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(28, 26, 23, 0) 40%, rgba(28, 26, 23, 0.95));
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 16px;
}

.dx-shot:hover::after { opacity: 1; }

.dx-shot figcaption {
    left: 18px;
    bottom: 18px;
    transform: translateY(10px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

.dx-shot:hover figcaption {
    transform: translateY(0);
    opacity: 1;
}

.dx-shot figcaption span {
    color: #60a5fa;
    font-size: 9px;
    letter-spacing: 0.2em;
}

.dx-shot figcaption strong { color: #ffffff; font-size: 13px; }

.dx-shot figcaption::before {
    content: "●";
    color: #ef4444;
    font-size: 9px;
    margin-bottom: 4px;
}

.dx-shot img { 
    filter: grayscale(0.3) contrast(1.05) saturate(0.9);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
}

.dx-shot:hover img { 
    transform: scale(1.08); 
    filter: grayscale(0) contrast(1.1) saturate(1.1);
}

/* --- Brand hardware cards (Hikvision / Caddx) --- */
.dx-shot--brand {
    aspect-ratio: 16 / 10;
    border-radius: 16px;
}

.dx-shot--brand::after { border-radius: 16px; }

.dx-shot--brand figcaption strong { font-size: 11px; color: #60a5fa; }
.dx-shot--brand figcaption span { color: #ef4444; letter-spacing: 0.16em; }

.dx-shot--brand img {
    filter: saturate(0.9) contrast(1.05) brightness(1.02);
}

.dx-shot--brand:hover img {
    filter: saturate(1.1) contrast(1.08) brightness(1.05);
}

/* ---------- About ---------- */

.dx-about-media { }



.dx-about-copy h2 span { color: #60a5fa; }

.dx-about-copy > p { color: rgba(241, 245, 249, 0.75); }

.dx-about-points div { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.dx-about-points dt { color: rgba(241, 245, 249, 0.5); }
.dx-about-points dd { color: #60a5fa; font-family: "IBM Plex Mono", monospace; text-transform: uppercase; font-size: 11px; }

/* ---------- Testimonials ---------- */

.dx-testimonials { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }

.dx-testimonials blockquote {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-testimonials blockquote:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dx-testimonials blockquote p { color: #e7e3dc; }

.dx-testimonials footer { border-top-color: rgba(255, 255, 255, 0.08); }

.dx-testimonials footer strong { color: #60a5fa; }
.dx-testimonials footer span { color: rgba(231, 227, 220, 0.55); }

    /* ---------- Contact ---------- */

.dx-contact-grid { gap: 60px; }

.dx-contact-copy h2 { color: #ffffff; }
.dx-contact-copy h2 span { color: #60a5fa; }
.dx-contact-copy > p { color: rgba(241, 245, 249, 0.75); }

.dx-contact-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.dx-contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    color: inherit;
    text-decoration: none;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.dx-contact-card:hover {
    transform: translateY(-3px);
    border-color: rgba(96, 165, 250, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    background: rgba(28, 26, 23, 0.8);
}

.dx-contact-card--support {
    cursor: default;
}

.dx-contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(96, 165, 250, 0.12);
    color: #60a5fa;
    flex-shrink: 0;
}

.dx-contact-card div { display: grid; gap: 2px; }

.dx-contact-card dt {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(241, 245, 249, 0.5);
}

.dx-contact-card dd {
    font-size: 14px;
    font-weight: 600;
    color: #e7e3dc;
}

.dx-form {
    background: rgba(28, 26, 23, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    padding: 40px;
}

.dx-form:hover {
    transform: translateY(-4px);
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(96, 165, 250, 0.15);
    border-color: rgba(96, 165, 250, 0.2);
}

.dx-form::before {
    content: "REQUEST A QUOTE";
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: rgba(231, 227, 220, 0.4);
    font-family: "IBM Plex Mono", monospace;
}

.dx-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.dx-form-field {
    display: grid;
    gap: 10px;
}

.dx-form-field label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(231, 227, 220, 0.6);
}

.dx-form-field input,
.dx-form-field textarea,
.dx-form-field select {
    width: 100%;
    padding: 16px 0;
    font-family: inherit;
    font-size: 15px;
    color: #e7e3dc;
    background: rgba(255, 255, 255, 0.03);
    border: 0;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    outline: none;
    transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.dx-form-field input:focus,
.dx-form-field textarea:focus,
.dx-form-field select:focus {
    border-bottom-color: #3b82f6;
    transform: translateX(2px);
    background: rgba(255, 255, 255, 0.05);
}

.dx-form-field input::placeholder,
.dx-form-field textarea::placeholder { color: rgba(231, 227, 220, 0.3); }

.dx-form select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, #60a5fa 50%),
                      linear-gradient(135deg, #60a5fa 50%, transparent 50%);
    background-position: calc(100% - 16px) center, calc(100% - 11px) center;
    background-size: 6px 6px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.dx-form select option {
    background: #1c1a17;
    color: #e7e3dc;
}

.dx-btn-block {
    width: 100%;
    margin-top: 28px;
    padding: 18px 24px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    color: #0f172a;
    border: none;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.dx-btn-block:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
    filter: brightness(1.1);
}

.dx-btn-block:active {
    transform: translateY(-1px);
}

/* ---------- Footer ---------- */

.dx-footer {
    background: #141210;
    color: #f1f5f9;
    padding: 60px 0 30px;
}

.dx-footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 34px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-footer-brand p {
    margin-top: 0;
    color: rgba(241, 245, 249, 0.55);
    font-size: 13px;
}

.dx-footer-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dx-footer-nav a {
    width: fit-content;
    color: rgba(241, 245, 249, 0.7);
    font-size: 12px;
    font-weight: 600;
    transition: color 0.25s ease;
}

.dx-footer-nav a:hover { color: #60a5fa; }

.dx-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dx-footer-contact span {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: rgba(241, 245, 249, 0.4);
}

.dx-footer-contact a {
    width: fit-content;
    color: rgba(241, 245, 249, 0.7);
    font-size: 13px;
    font-weight: 600;
    transition: color 0.25s ease;
}

.dx-footer-contact a:hover { color: #60a5fa; }

.dx-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    color: rgba(241, 245, 249, 0.45);
    font-size: 11px;
}

.dx-footer-bottom a {
    color: rgba(241, 245, 249, 0.7);
    transition: color 0.25s ease;
}

.dx-footer-bottom a:hover { color: #60a5fa; }

/* ---------- Footer GBP & Address ---------- */

.dx-footer-gbp {
    margin-top: 16px;
}

.dx-gbp-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 10px;
    background: rgba(96, 165, 250, 0.12);
    color: #60a5fa;
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    border: 1px solid rgba(96, 165, 250, 0.25);
    transition: all 0.3s ease;
}

.dx-gbp-link:hover {
    background: rgba(96, 165, 250, 0.22);
    border-color: rgba(96, 165, 250, 0.5);
    color: #3b82f6;
}

.dx-footer-address {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: rgba(241, 245, 249, 0.55);
    font-size: 12px;
    line-height: 1.5;
}

.dx-footer-map {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-footer-map iframe {
    display: block;
    width: 100%;
    height: 300px;
    border: 0;
    filter: grayscale(0.4) contrast(1.05);
}

/* ---------- Responsive (industrial) ---------- */

@media (max-width: 980px) {
    .dx-hero-grid { grid-template-columns: 1fr; gap: 44px; }
    .dx-hud { max-width: 480px; }
    .dx-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .dx-testimonials { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .dx-about-grid { grid-template-columns: 1fr; gap: 44px; }
    .dx-contact-grid { grid-template-columns: 1fr; gap: 44px; }
    .dx-services-grid { grid-template-columns: 1fr; }
    .dx-form-row { grid-template-columns: 1fr; }
    .dx-footer-top { grid-template-columns: 1fr; gap: 30px; }
}

.dx-shot {
    position: relative;
    margin: 0;
    overflow: hidden;
    border-radius: 16px;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #252321, #1c1a17);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.dx-shot:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(96, 165, 250, 0.15);
}

.dx-shot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.3) contrast(1.05) saturate(0.9);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
}

.dx-shot:hover img { 
    transform: scale(1.08); 
    filter: grayscale(0) contrast(1.1) saturate(1.1);
}

.dx-shot::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(28, 26, 23, 0) 40%, rgba(28, 26, 23, 0.95));
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 16px;
}

.dx-shot:hover::after { opacity: 1; }

.dx-shot figcaption {
    position: absolute;
    left: 18px;
    bottom: 18px;
    z-index: 2;
    display: grid;
    gap: 3px;
    color: #fff;
    transform: translateY(10px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

.dx-shot:hover figcaption {
    transform: translateY(0);
    opacity: 1;
}

.dx-shot figcaption span {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #60a5fa;
}

.dx-shot figcaption strong {
    font-family: "Playfair Display", serif;
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
}

.dx-shot figcaption::before {
    content: "●";
    color: #ef4444;
    font-size: 9px;
    margin-bottom: 4px;
}

/* ---------- About ---------- */

.dx-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.dx-about-media {
    min-height: 560px;
    border-radius: 22px;
    background-image: none;
    background-size: cover;
    background-position: center;
    box-shadow: 24px 28px 70px rgba(0, 0, 0, 0.06);
}

.dx-about-copy h2 {
    margin: 18px 0 0;
    font-family: "Playfair Display", serif;
    font-size: clamp(32px, 4.4vw, 54px);
    font-weight: 600;
    line-height: 1.06;
    color: #e7e3dc;
}

.dx-about-copy h2 span { color: #60a5fa; font-style: italic; }

.dx-about-copy > p {
    margin-top: 22px;
    color: rgba(231, 227, 220, 0.75);
    font-size: 15px;
    line-height: 1.85;
}

.dx-about-points {
    display: grid;
    gap: 14px;
    margin-top: 32px;
}

.dx-about-points div {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-about-points dt {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(231, 227, 220, 0.5);
}

.dx-about-points dd {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: #60a5fa;
}

/* ---------- Testimonials ---------- */

.dx-testimonials {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.dx-testimonials blockquote {
    margin: 0;
    padding: 28px 26px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    background: #1c1a17;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
}

.dx-testimonials blockquote p {
    margin: 0;
    color: #e7e3dc;
    font-size: 14px;
    line-height: 1.8;
}

.dx-testimonials footer {
    display: grid;
    gap: 3px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-testimonials footer strong {
    font-family: "Playfair Display", serif;
    font-size: 15px;
    font-weight: 600;
    color: #60a5fa;
}

.dx-testimonials footer span {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(231, 227, 220, 0.55);
}

    /* ---------- Contact ---------- */

.dx-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.dx-contact-copy h2 {
    margin: 16px 0 0;
    font-family: "Playfair Display", serif;
    font-size: clamp(32px, 4.4vw, 54px);
    font-weight: 600;
    line-height: 1.06;
    color: #e7e3dc;
}

.dx-contact-copy h2 span { color: #60a5fa; font-style: italic; }

.dx-contact-copy > p {
    margin-top: 20px;
    color: rgba(231, 227, 220, 0.75);
    font-size: 15px;
    line-height: 1.85;
}

.dx-contact-details { margin-top: 30px; }

.dx-contact-details div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-contact-details dt {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(231, 227, 220, 0.5);
}

.dx-contact-details dd { margin: 0; }

.dx-contact-details a {
    color: #60a5fa;
    font-size: 13px;
    font-weight: 700;
    transition: color 0.25s ease;
}

.dx-contact-details a:hover { color: #3b82f6; }

.dx-form {
    position: relative;
    display: grid;
    gap: 22px;
    padding: 34px 30px;
    background: #1c1a17;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
}

.dx-form::before {
    content: "REQUEST A QUOTE";
    position: absolute;
    top: 18px;
    right: 26px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: rgba(231, 227, 220, 0.4);
}

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

.dx-form select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, #60a5fa 50%),
                      linear-gradient(135deg, #60a5fa 50%, transparent 50%);
    background-position: calc(100% - 16px) center, calc(100% - 11px) center;
    background-size: 5px 5px;
    background-repeat: no-repeat;
}

/* ---------- Footer ---------- */

.dx-footer {
    background: #141210;
    color: #f1f5f9;
    padding: 60px 0 30px;
}

.dx-footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 34px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-footer-brand p {
    margin-top: 0;
    color: rgba(241, 245, 249, 0.55);
    font-size: 13px;
}

.dx-footer-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dx-footer-nav a {
    width: fit-content;
    color: rgba(241, 245, 249, 0.7);
    font-size: 12px;
    font-weight: 600;
    transition: color 0.25s ease;
}

.dx-footer-nav a:hover { color: #60a5fa; }

.dx-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dx-footer-contact span {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: rgba(241, 245, 249, 0.4);
}

.dx-footer-contact a {
    width: fit-content;
    color: rgba(241, 245, 249, 0.7);
    font-size: 13px;
    font-weight: 600;
    transition: color 0.25s ease;
}

.dx-footer-contact a:hover { color: #60a5fa; }

.dx-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    color: rgba(241, 245, 249, 0.45);
    font-size: 11px;
}

.dx-footer-bottom a {
    color: rgba(241, 245, 249, 0.7);
    transition: color 0.25s ease;
}

.dx-footer-bottom a:hover { color: #60a5fa; }

/* ---------- FAQ ---------- */

.dx-faq {
    display: grid;
    gap: 12px;
    margin-top: 48px;
    max-width: 800px;
    margin-inline: auto;
}

.dx-faq-item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    padding: 20px 24px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-faq-item:hover {
    border-color: rgba(96, 165, 250, 0.3);
}

.dx-faq-item summary {
    font-size: 16px;
    font-weight: 600;
    color: #e7e3dc;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    line-height: 1.5;
}

.dx-faq-item summary::-webkit-details-marker { display: none; }

.dx-faq-item summary::after {
    content: "+";
    font-size: 20px;
    font-weight: 300;
    color: #60a5fa;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.dx-faq-item[open] summary::after {
    content: "−";
}

.dx-faq-item p {
    margin-top: 16px;
    color: rgba(231, 227, 220, 0.7);
    font-size: 14px;
    line-height: 1.75;
    font-weight: 400;
}

/* ---------- Process ---------- */

.dx-process {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-top: 56px;
}

.dx-process-step {
    position: relative;
    padding: 32px 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-process-step:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dx-process-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(96, 165, 250, 0.12);
    color: #60a5fa;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: "Space Grotesk", sans-serif;
}

.dx-process-step h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.dx-process-step p {
    color: rgba(231, 227, 220, 0.65);
    font-size: 13px;
    line-height: 1.7;
    font-weight: 400;
}

/* ---------- Trusted Brands ---------- */

.dx-brands {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: 48px;
}

.dx-brand {
    padding: 20px 32px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    background: rgba(28, 26, 23, 0.4);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-brand:hover {
    transform: translateY(-2px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.dx-brand-name {
    font-family: "Space Grotesk", sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: rgba(231, 227, 220, 0.8);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 6px;
}

.dx-brand-desc {
    font-size: 12px;
    color: rgba(231, 227, 220, 0.55);
    font-weight: 500;
    line-height: 1.5;
}

.dx-trust-image {
    display: none;
}

/* ---------- Trust Items ---------- */

.dx-trust-items {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 56px;
}

.dx-trust-item {
    display: flex;
    gap: 20px;
    padding: 28px 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-trust-item:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dx-trust-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(96, 165, 250, 0.12);
    color: #60a5fa;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.dx-trust-item strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
    display: block;
}

.dx-trust-item p {
    color: rgba(231, 227, 220, 0.65);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* ---------- Before / After Gallery ---------- */

.dx-before-after {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.dx-ba-item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    overflow: hidden;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-ba-item:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dx-ba-image {
    width: 100%;
    height: 240px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.4s ease;
}

.dx-ba-item:hover .dx-ba-image {
    transform: scale(1.05);
}

.dx-ba-before {
    background-image: url('images/screenshots/dualtech-1.jpg');
    filter: grayscale(0.3) contrast(1.05);
}

.dx-ba-after {
    background-image: url('images/screenshots/dualtech-2.jpg');
    filter: none;
}

.dx-ba-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-ba-tag {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
}

.dx-ba-tag--before {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.dx-ba-tag--after {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.dx-ba-label strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #e7e3dc;
}

/* ---------- Cost Calculator ---------- */

.dx-calculator {
    max-width: 700px;
    margin: 56px auto 0;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
}

.dx-calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.dx-calc-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dx-calc-field label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(231, 227, 220, 0.6);
}

.dx-calc-field select {
    appearance: none;
    background: rgba(255, 255, 255, 0.03);
    border: 0;
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 0;
    padding: 14px 0;
    font-family: inherit;
    font-size: 15px;
    color: #e7e3dc;
    outline: none;
    transition: border-color 0.3s ease, background 0.3s ease;
    background-image: linear-gradient(45deg, transparent 50%, #60a5fa 50%),
                      linear-gradient(135deg, #60a5fa 50%, transparent 50%);
    background-position: calc(100% - 16px) center, calc(100% - 11px) center;
    background-size: 6px 6px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.dx-calc-field select:focus {
    border-bottom-color: #3b82f6;
    background: rgba(255, 255, 255, 0.05);
}

.dx-calc-field select option {
    background: #1c1a17;
    color: #e7e3dc;
}

.dx-calc-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
}

.dx-calc-estimate {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dx-calc-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(231, 227, 220, 0.5);
}

.dx-calc-price {
    font-family: "Space Grotesk", sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: #60a5fa;
}

/* ---------- Live Chat Widget ---------- */

.dx-chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    font-family: "Manrope", sans-serif;
}

.dx-chat-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    color: #0f172a;
    border: none;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dx-chat-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.5);
}

.dx-chat-box {
    position: absolute;
    bottom: 76px;
    right: 0;
    width: 320px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
    display: none;
    overflow: hidden;
}

.dx-chat-box.is-open {
    display: block;
    animation: fadeInUp 0.3s ease forwards;
}

.dx-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dx-chat-header strong {
    font-size: 14px;
    font-weight: 700;
    color: #e7e3dc;
}

.dx-chat-close {
    background: none;
    border: none;
    color: rgba(231, 227, 220, 0.6);
    cursor: pointer;
    padding: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.25s ease;
}

.dx-chat-close:hover {
    color: #60a5fa;
}

.dx-chat-body {
    padding: 20px;
}

.dx-chat-body p {
    color: rgba(231, 227, 220, 0.75);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

/* ---------- Blog / Case Studies ---------- */

.dx-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 56px;
}

.dx-blog-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dx-blog-image {
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-image: url('images/screenshots/dualtech-3.jpg');
    transition: transform 0.4s ease;
}

.dx-blog-card:hover .dx-blog-image {
    transform: scale(1.05);
}

.dx-blog-content {
    padding: 24px;
}

.dx-blog-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    border: 1px solid rgba(96, 165, 250, 0.2);
}

.dx-blog-content h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 10px;
    line-height: 1.4;
}

.dx-blog-content p {
    color: rgba(231, 227, 220, 0.65);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.dx-blog-link {
    font-size: 13px;
    font-weight: 700;
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.25s ease;
}

.dx-blog-link:hover {
    color: #3b82f6;
}

/* ---------- Customer Portal ---------- */

.dx-portal-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 56px;
}

.dx-portal-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
    padding: 32px;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dx-portal-card:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dx-portal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
    margin-bottom: 20px;
}

.dx-portal-card h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.dx-portal-card p {
    color: rgba(231, 227, 220, 0.65);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
    .dx-nav-links { display: none; }
    .dx-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .dx-testimonials { grid-template-columns: 1fr; }
    .dx-process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dx-brands { gap: 24px; }
    .dx-trust-items { grid-template-columns: 1fr; }
    .dx-before-after { grid-template-columns: 1fr; }
    .dx-calc-row { grid-template-columns: 1fr; }
    .dx-blog-grid { grid-template-columns: 1fr; }
    .dx-portal-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .container { width: min(100% - 40px, 1240px); }
    .dx-section { padding: 80px 0; }
    .dx-hero { padding: 140px 0 76px; }
    .dx-about-grid, .dx-contact-grid { grid-template-columns: 1fr; gap: 44px; }
    .dx-about-media { min-height: 380px; }
    .dx-services-grid { grid-template-columns: 1fr; }
    .dx-section-head { flex-direction: column; align-items: flex-start; gap: 24px; }
    .dx-section-head .dx-section-intro { max-width: none; }
    .dx-form-row { grid-template-columns: 1fr; }
    .dx-footer-top { grid-template-columns: 1fr; gap: 30px; }
    .dx-nav .dx-btn { display: none; }
    .dx-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dx-process { grid-template-columns: 1fr; }
    .dx-brands { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .dx-ba-image { height: 200px; }
    .dx-calculator { padding: 28px; }
    .dx-calc-result { flex-direction: column; text-align: center; }
    .dx-blog-image { height: 160px; }
.dx-header-actions { gap: 8px; }

}



@media (max-width: 560px) {
    .dx-gallery { grid-template-columns: 1fr; }
    .dx-hero-stats { gap: 30px; }
    .dx-hero-stats dt { font-size: 28px; }
    .dx-footer-bottom { flex-direction: column; align-items: flex-start; }
    .dx-brands { grid-template-columns: 1fr; }
}

.dx-service-link {
    font-size: 13px;
    font-weight: 700;
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.25s ease;
    margin-top: 12px;
    display: inline-block;
}

.dx-service-link:hover {
    color: #3b82f6;
}

.dx-service-detail {
    margin-top: 60px;
    padding: 40px;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
    color: rgba(231, 227, 220, 0.5);
    font-size: 14px;
}

/* ---------- Sticky Mobile CTA ---------- */

.dx-sticky-cta {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 998;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 999px;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    color: #0f172a;
    text-decoration: none;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.45);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dx-sticky-cta:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.55);
}

@media (max-width: 780px) {
    .dx-sticky-cta {
        display: inline-flex;
    }

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

    .dx-hero-actions .dx-btn-ghost {
        text-align: center;
        justify-content: center;
    }
}

/* ---------- Form Feedback ---------- */

.dx-form-feedback {
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 16px;
}

.dx-form-feedback--success {
    background: rgba(34, 197, 94, 0.12);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.dx-form-feedback--error {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.dx-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ---------- Google Reviews ---------- */

.dx-google-reviews-placeholder {
    margin-top: 40px;
}

.dx-reviews-summary {
    text-align: center;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: rgba(28, 26, 23, 0.6);
    backdrop-filter: blur(12px);
}

.dx-reviews-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.dx-reviews-score {
    font-family: "Space Grotesk", sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: #60a5fa;
    line-height: 1;
}

.dx-reviews-stars {
    font-size: 28px;
    color: #facc15;
    letter-spacing: 4px;
}

.dx-reviews-count {
    font-size: 14px;
    color: rgba(231, 227, 220, 0.6);
}

.dx-reviews-text {
    color: rgba(231, 227, 220, 0.7);
    font-size: 16px;
    margin-bottom: 24px;
}

.dx-reviews-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    padding: 12px 20px;
    border-radius: 12px;
    background: rgba(96, 165, 250, 0.08);
    color: rgba(231, 227, 220, 0.6);
    font-size: 13px;
}

.dx-reviews-note i {
    color: #60a5fa;
}

/* Standalone site: navigation, form and keyboard access. */
[hidden]{display:none!important}
html{scroll-padding-top:100px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #93c5fd;outline-offset:4px}
.skip-link{position:fixed;top:10px;left:16px;z-index:2000;padding:12px 18px;background:#fff;color:#172033;transform:translateY(-150%)}
.skip-link:focus{transform:none}
.dx-menu-toggle{display:none;border:1px solid #60a5fa80;background:#172235;color:#f1f5f9;border-radius:8px;width:48px;height:48px;flex:none;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.dx-menu-toggle span{display:block;width:21px;height:2px;background:currentColor;transition:transform .2s,opacity .2s}
.is-menu-open .dx-menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.is-menu-open .dx-menu-toggle span:nth-child(2){opacity:0}
.is-menu-open .dx-menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.dx-form{position:relative}
.dx-form::before{content:'ΣΤΕΙΛΤΕ ΜΑΣ ΜΗΝΥΜΑ';letter-spacing:.08em}
.dx-form .dx-btn{border:0;cursor:pointer;font-family:inherit;width:100%;margin-top:8px;white-space:normal;line-height:1.5;padding-block:16px}
.dx-form .dx-btn:disabled{cursor:wait;opacity:.7;transform:none}
.dx-form input,.dx-form select,.dx-form textarea{font-size:16px}
.dx-form [aria-invalid=true]{border-color:#fca5a5}
#form-status{font-size:14px;line-height:1.6;color:#cbd5e1}
#form-status:empty{display:none}
#form-status.is-error{color:#fecaca;margin-top:12px}
.dx-form-note{font-size:13px;line-height:1.7;color:#a7b3c2}
.dx-hero-grid>*,.dx-contact-grid>*,.dx-services-grid>*,.dx-about-grid>*{min-width:0}
@media(max-width:980px){
 .dx-header .dx-nav{position:relative}
 .js .dx-menu-toggle{display:inline-flex}
 .js .dx-header .dx-nav-links{display:flex;position:absolute;top:100%;left:calc((100vw - 100%) / -2);width:100vw;padding:16px max(20px,calc((100vw - 1240px) / 2));margin:0;background:#181d24;border-top:1px solid #ffffff26;border-bottom:1px solid #ffffff26;flex-direction:column;gap:0;align-items:stretch;max-height:calc(100vh - 78px);max-height:calc(100dvh - 78px);overflow:auto;overscroll-behavior:contain;box-shadow:0 20px 40px #0005}
 .js .dx-header .dx-nav-links a{min-height:52px;display:flex;align-items:center;padding:10px 16px;font-size:14px;border-bottom:1px solid #ffffff14}
 html:not(.js) .dx-header{position:relative}
 html:not(.js) .dx-header .dx-nav{height:auto;flex-wrap:wrap;padding-block:14px;gap:14px}
 html:not(.js) .dx-header .dx-nav-links{display:flex;flex-wrap:wrap;order:3;width:100%;gap:12px 20px;margin:0}
 html:not(.js) .dx-header .dx-nav-links a{min-height:44px;display:inline-flex;align-items:center}
}
@media(max-width:600px){
 .dx-form{padding:48px 22px 26px}
 .dx-center-head h2,.dx-section-head h2{overflow-wrap:anywhere}
 .dx-services-grid{grid-template-columns:minmax(0,1fr)}
 .dx-header .dx-nav{gap:14px}
 .dx-header-actions{gap:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.dx-hero-copy,.dx-hero-actions,.dx-hero-stats,.dx-hero-stats div{opacity:1!important;transform:none!important}}

/* Manufacturer descriptions */
#trusted .dx-brands { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: stretch; gap: 24px; }
#trusted .dx-brand { min-width: 0; padding: 24px; }
#trusted .dx-brand-desc { display: block; color: #cbd5e1; font-size: 14px; }
#trusted .dx-brand-details { margin: 14px 0 0; font-size: 14px; line-height: 1.75; color: #aeb9c9; }
@media (max-width: 1000px) { #trusted .dx-brands { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { #trusted .dx-brands { grid-template-columns: 1fr; gap: 16px; } }