/* ============================================================
   Datatech BD Ltd. — Design System v2
   Brand blue #1781C3 · light & dark themes · editorial, calm UI
   ============================================================ */

/* 1. Theme variables */
:root,
[data-theme="dark"] {
    color-scheme: dark;
    --dt-blue: #1781C3;
    --dt-blue-deep: #0B72B1;
    --dt-blue-soft: #55A9DC;
    --dt-blue-tint: rgba(23, 129, 195, 0.13);
    --dt-bg: #0E1319;
    --dt-bg-2: #141B24;
    --dt-bg-3: #1A2330;
    --dt-line: #232E3C;
    --dt-line-strong: #2E3B4D;
    --dt-text: #DCE4EC;
    --dt-text-strong: #F4F7FA;
    --dt-text-muted: #9DAAB8;
    --dt-heading: #F4F7FA;
    --dt-white: #ffffff;
    --dt-navbar-bg: rgba(14, 19, 25, 0.92);
    --dt-shadow: 0 12px 32px rgba(2, 6, 12, 0.5);
    --dt-shadow-soft: 0 4px 18px rgba(2, 6, 12, 0.35);
    --dt-hero-glow: rgba(23, 129, 195, 0.13);
    --dt-grid-line: rgba(255, 255, 255, 0.028);
    --dt-mega-bg: #1B2532;
}

[data-theme="light"] {
    color-scheme: light;
    --dt-blue: #0F6EAB;
    --dt-blue-deep: #0B72B1;
    --dt-blue-soft: #1777B8;
    --dt-blue-tint: rgba(15, 110, 171, 0.09);
    --dt-bg: #F6F8FB;
    --dt-bg-2: #FFFFFF;
    --dt-bg-3: #EEF3F8;
    --dt-line: #E1E8F0;
    --dt-line-strong: #CBD6E2;
    --dt-text: #2B3947;
    --dt-text-strong: #17242F;
    --dt-text-muted: #5D6E7F;
    --dt-heading: #101B26;
    --dt-white: #ffffff;
    --dt-navbar-bg: rgba(255, 255, 255, 0.94);
    --dt-shadow: 0 12px 32px rgba(23, 42, 64, 0.14);
    --dt-shadow-soft: 0 4px 18px rgba(23, 42, 64, 0.08);
    --dt-hero-glow: rgba(15, 110, 171, 0.08);
    --dt-grid-line: rgba(16, 27, 38, 0.035);
    --dt-mega-bg: #FFFFFF;
}

/* 2. Base */
html { scroll-behavior: smooth; }
body {
    font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--dt-bg);
    color: var(--dt-text);
    font-weight: 400;
    line-height: 1.65;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
}
::selection { background: var(--dt-blue); color: #fff; }
:focus-visible { outline: 2px solid var(--dt-blue); outline-offset: 2px; border-radius: 4px; }
img { max-width: 100%; height: auto; }

/* 3. Typography — restrained weights */
h1, h2, h3, h4, h5 { color: var(--dt-heading); font-weight: 600; line-height: 1.3; letter-spacing: -0.008em; }
h1 { font-weight: 700; }
p { color: var(--dt-text); }
a { color: var(--dt-blue-soft); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--dt-blue); }
.text-muted { color: var(--dt-text-muted) !important; }
.dt-strong { color: var(--dt-heading); }
.dt-blue-soft { color: var(--dt-blue-soft); }
/* sidebar cards keep their natural height instead of stretching
   to match a tall neighboring column */
.dt-h-auto { height: auto !important; }

.dt-kicker {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dt-blue-soft);
    margin-bottom: 0.7rem;
}
.dt-section-title { font-size: clamp(1.5rem, 3vw, 2.15rem); margin-bottom: 0.8rem; font-weight: 600; }
.dt-section-desc { color: var(--dt-text-muted); font-size: 1.02rem; max-width: 620px; margin: 0 auto; }
.dt-section-heading { margin-bottom: 2.75rem; }

/* 4. Buttons */
.dt-btn {
    --bs-btn-border-radius: 8px;
    font-weight: 500;
    padding: 0.6rem 1.35rem;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    border-radius: 8px;
    font-size: 0.95rem;
}
.dt-btn-primary {
    background: var(--dt-blue);
    color: #fff;
}
.dt-btn-primary:hover, .dt-btn-primary:focus {
    background: var(--dt-blue-deep);
    color: #fff;
    box-shadow: 0 6px 18px rgba(23, 129, 195, 0.35);
    transform: translateY(-1px);
}
.dt-btn-outline { background: transparent; color: var(--dt-text); border-color: var(--dt-line-strong); }
.dt-btn-outline:hover, .dt-btn-outline:focus { border-color: var(--dt-blue); color: var(--dt-blue-soft); background: var(--dt-blue-tint); }
.dt-btn-light { background: var(--dt-white); color: #16212C; border-color: var(--dt-white); }
.dt-btn-light:hover { background: #EDF2F7; color: #16212C; transform: translateY(-1px); }
.dt-btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.dt-btn-outline-light:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.1); }
.dt-btn:disabled { opacity: 0.55; transform: none; }

/* 5. Navbar */
.dt-navbar {
    background: var(--dt-navbar-bg);
    border-bottom: 1px solid var(--dt-line);
    padding: 0;
    min-height: 68px;
    transition: box-shadow 0.25s ease, background 0.25s ease;
}
/* Frosted blur lives on a pseudo-element, NOT on .dt-navbar itself:
   backdrop-filter on the element would create a containing block that breaks
   position:fixed children like the services mega menu. */
.dt-navbar::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.dt-navbar .container { display: flex; align-items: center; gap: 0.75rem; min-height: 68px; }
.dt-navbar.scrolled { box-shadow: var(--dt-shadow-soft); }
.dt-brand { display: flex; align-items: center; flex-shrink: 0; padding-block: 0.55rem; }
.dt-brand img { height: 36px; width: auto; }
.dt-logo-light { display: block; }
.dt-logo-dark { display: none; }
[data-theme="light"] .dt-logo-light { display: none; }
[data-theme="light"] .dt-logo-dark { display: block; }

.dt-nav-links .nav-link {
    color: var(--dt-text-muted);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 1.4rem 0.85rem;
    position: relative;
    background: none;
    border: none;
}
.dt-nav-links .nav-link:hover, .dt-nav-links .nav-link:focus, .dt-nav-links .nav-link.show { color: var(--dt-heading); }
.dt-nav-links .nav-link::after {
    content: "";
    position: absolute;
    inset-inline: 0.85rem;
    bottom: 0.9rem;
    height: 2px;
    background: var(--dt-blue);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.22s ease;
}
.dt-nav-links .nav-link:hover::after, .dt-nav-links .nav-link.show::after { transform: scaleX(1); }
.dt-toggler { color: var(--dt-heading); font-size: 1.25rem; border: none; padding: 0.35rem 0.6rem; }
.dt-toggler:focus { box-shadow: none; }

.dt-navbar-actions { display: flex; align-items: center; gap: 0.6rem; margin-inline-start: auto; flex-shrink: 0; }

/* Theme toggle */
.dt-theme-toggle {
    width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--dt-line-strong);
    background: transparent;
    color: var(--dt-text-muted);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}
.dt-theme-toggle:hover { color: var(--dt-heading); border-color: var(--dt-blue); background: var(--dt-blue-tint); }
.dt-theme-toggle .fa-sun { display: none; }
[data-theme="light"] .dt-theme-toggle .fa-sun { display: block; }
[data-theme="light"] .dt-theme-toggle .fa-moon { display: none; }

/* Mega menu — contained panel centered under the Services nav item
   (dropdown toggle uses data-bs-display="static" so Popper never
   writes inline styles; position is fully CSS-driven). */
/* viewport-fixed, screen-centered contained panel — immune to any
   ancestor positioning; safe because the navbar blur now lives on a
   pseudo-element (no containing-block trap) */
.dt-mega-drop { position: static; }
.dt-mega {
    position: fixed !important;
    top: 74px !important;
    /* centering without transform: left/right 0 + auto side margins */
    left: 0 !important;
    right: 0 !important;
    margin-inline: auto !important;
    width: min(840px, 92vw) !important;
    border-radius: 12px;
    /* fully opaque elevated surface — never lets page content show through */
    background: var(--dt-mega-bg);
    border: 1px solid var(--dt-line-strong);
    border-top: 2px solid var(--dt-blue);
    box-shadow: 0 24px 48px rgba(2, 6, 12, 0.55);
    z-index: 1030;
    padding: 0;
}
.dt-mega-inner {
    position: relative;
    padding: 1.1rem 1.25rem 1rem;
}
.dt-mega-heading {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dt-text-muted);
    margin-bottom: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.dt-mega-heading i { color: var(--dt-blue-soft); font-size: 0.8rem; }
.dt-mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.2rem 0.6rem; }
@media (max-width: 1199.98px) {
    .dt-mega-grid { grid-template-columns: repeat(2, 1fr); }
}
.dt-mega-item {
    display: flex; gap: 0.75rem; align-items: center;
    padding: 0.55rem 0.75rem; border-radius: 9px;
    border: 1px solid transparent;
    color: var(--dt-text); transition: background 0.16s ease, border-color 0.16s ease;
}
.dt-mega-item i {
    color: var(--dt-blue-soft);
    font-size: 0.85rem;
    width: 30px; height: 30px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 7px;
    background: var(--dt-blue-tint);
    flex-shrink: 0;
}
.dt-mega-item span { font-size: 0.88rem; font-weight: 500; line-height: 1.3; }
.dt-mega-item:hover { background: var(--dt-bg-3); border-color: var(--dt-line-strong); color: var(--dt-heading); }
.dt-mega-item:hover i { background: var(--dt-blue); color: #fff; }

/* Small dropdown (language + mobile services) */
.dt-dropdown {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line-strong);
    border-radius: 10px;
    padding: 0.45rem;
    box-shadow: var(--dt-shadow);
}
.dt-dropdown .dropdown-item { color: var(--dt-text-muted); border-radius: 7px; padding: 0.42rem 0.75rem; font-size: 0.9rem; }
.dt-dropdown .dropdown-item:hover, .dt-dropdown .dropdown-item:focus { background: var(--dt-blue-tint); color: var(--dt-heading); }
.dt-dropdown .dropdown-divider { border-color: var(--dt-line); }

/* Language switcher */
.dt-language-switcher { position: relative; }
.dt-lang-btn {
    background: transparent;
    color: var(--dt-text-muted);
    border: 1px solid var(--dt-line-strong);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    display: inline-flex; align-items: center; gap: 0.35rem;
}
.dt-lang-btn:hover, .dt-lang-btn.show { color: var(--dt-heading); border-color: var(--dt-blue); background: var(--dt-blue-tint); }
.dt-lang-menu {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line-strong);
    border-radius: 10px;
    box-shadow: var(--dt-shadow);
    min-width: 195px;
    max-height: 300px;
    overflow-y: auto;
    padding: 0.35rem;
}
.dt-lang-menu .dropdown-item { color: var(--dt-text-muted); border-radius: 7px; font-size: 0.88rem; padding: 0.32rem 0.6rem; }
.dt-lang-menu .dropdown-item:hover, .dt-lang-menu .dropdown-item.active { background: var(--dt-blue-tint); color: var(--dt-heading); }
.dt-lang-mobile .dt-lang-btn { width: 100%; text-align: start; }

/* Offcanvas mobile nav */
.dt-offcanvas { background: var(--dt-bg-2); color: var(--dt-text); max-width: 320px; border-inline-start: 1px solid var(--dt-line); }
.dt-offcanvas .btn-close { filter: none; }
[data-theme="dark"] .dt-offcanvas .btn-close { filter: invert(1); }
.dt-mobile-nav { display: flex; flex-direction: column; gap: 0.1rem; }
.dt-mobile-nav > a { color: var(--dt-text); font-weight: 500; padding: 0.65rem 0.25rem; border-bottom: 1px solid var(--dt-line); display: flex; align-items: center; }
.dt-mobile-nav > a:hover { color: var(--dt-blue-soft); }
.dt-mobile-subnav { display: none; flex-direction: column; padding-inline-start: 1.85rem; }
.dt-mobile-subnav a { font-size: 0.88rem; color: var(--dt-text-muted); padding: 0.32rem 0; }
.dt-mobile-subnav a:hover { color: var(--dt-blue-soft); }
.dt-mobile-nav > a[aria-expanded="true"] + .dt-mobile-subnav { display: flex; }
.dt-mobile-subnav.show { display: flex; }
.dt-mobile-nav > a[aria-expanded="true"] .fa-chevron-down { transform: rotate(180deg); }
.dt-border-soft { border-color: var(--dt-line) !important; }

/* 6. Hero — calm, editorial */
.dt-hero {
    position: relative;
    padding: 8.5rem 0 5rem;
    background:
        radial-gradient(ellipse 50% 38% at 82% 8%, var(--dt-hero-glow), transparent 70%),
        var(--dt-bg);
    overflow: hidden;
}
.dt-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--dt-grid-line) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 85%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 85%);
}
.dt-hero-inner { position: relative; z-index: 1; }

/* Particle canvas layer */
.dt-hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    display: block;
}
.dt-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--dt-line-strong);
    background: var(--dt-bg-2);
    color: var(--dt-text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 999px;
    padding: 0.35rem 0.95rem;
    margin-bottom: 1.4rem;
}
.dt-hero-badge i { color: var(--dt-blue-soft); font-size: 0.75rem; }
.dt-hero-title { font-size: clamp(2rem, 4.8vw, 3.4rem); font-weight: 700; margin-bottom: 1.2rem; letter-spacing: -0.015em; }
.dt-hero-title .dt-accent { color: var(--dt-blue-soft); }
.dt-hero-desc { color: var(--dt-text-muted); font-size: clamp(1rem, 1.4vw, 1.12rem); max-width: 590px; margin-bottom: 2.1rem; }
.dt-hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Hero side panel — one composed card, not floating chips */
.dt-hero-panel {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line);
    border-radius: 14px;
    padding: 1.6rem;
    box-shadow: var(--dt-shadow-soft);
}
.dt-hero-panel h2 { font-size: 0.95rem; font-weight: 600; color: var(--dt-heading); margin-bottom: 1.1rem; display: flex; align-items: center; gap: 0.6rem; }
.dt-hero-panel h2 i { color: var(--dt-blue-soft); }
.dt-hero-panel-row {
    display: flex; gap: 0.9rem; align-items: center;
    padding: 0.75rem 0.6rem;
    border-radius: 10px;
    color: var(--dt-text);
    transition: background 0.18s ease;
}
.dt-hero-panel-row:hover { background: var(--dt-blue-tint); color: var(--dt-heading); }
.dt-hero-panel-row i { color: var(--dt-blue-soft); width: 20px; text-align: center; font-size: 1rem; }
.dt-hero-panel-row strong { display: block; font-size: 0.9rem; font-weight: 500; color: var(--dt-heading); }
.dt-hero-panel-row span { display: block; font-size: 0.78rem; color: var(--dt-text-muted); }

/* 7. Sections */
.dt-section { padding: 4.5rem 0; }
.dt-section-alt { background: var(--dt-bg-2); border-block: 1px solid var(--dt-line); }

.dt-page-hero {
    position: relative;
    padding: 8rem 0 3.2rem;
    background:
        radial-gradient(ellipse 45% 55% at 85% 0%, var(--dt-hero-glow), transparent 70%),
        var(--dt-bg);
    border-bottom: 1px solid var(--dt-line);
    overflow: hidden;
}
.dt-page-hero .container { position: relative; z-index: 1; }
.dt-page-hero::after {
    content: "";
    position: absolute;
    inset: -50% -20% auto auto;
    width: 55%;
    height: 200%;
    background: radial-gradient(ellipse at center, var(--dt-hero-glow), transparent 65%);
    animation: dt-glow-drift 14s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes dt-glow-drift {
    from { transform: translate(6%, -4%) scale(1); }
    to { transform: translate(-6%, 6%) scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
    .dt-page-hero::after { animation: none; }
}
.dt-page-hero h1 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 700; }
.dt-page-hero .dt-section-desc { margin-inline: 0; }

.dt-breadcrumb { background: var(--dt-bg); padding: 0.85rem 0; border-bottom: 1px solid var(--dt-line); }
.dt-breadcrumb .breadcrumb { margin: 0; }
.dt-breadcrumb .breadcrumb-item a { color: var(--dt-text-muted); font-size: 0.86rem; }
.dt-breadcrumb .breadcrumb-item a:hover { color: var(--dt-blue-soft); }
.dt-breadcrumb .breadcrumb-item.active { color: var(--dt-blue-soft); font-size: 0.86rem; }
.dt-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: var(--dt-text-muted); }

/* 8. Cards */
.dt-service-card {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line);
    border-radius: 12px;
    padding: 1.7rem 1.55rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
[data-theme="dark"] .dt-section:not(.dt-section-alt) .dt-service-card,
[data-theme="dark"] .dt-section:not(.dt-section-alt) .dt-feature-card,
[data-theme="dark"] .dt-section:not(.dt-section-alt) .dt-industry-card { background: var(--dt-bg-2); }
.dt-service-card:hover, .dt-feature-card:hover, .dt-industry-card:hover { border-color: var(--dt-blue); box-shadow: var(--dt-shadow-soft); }
.dt-service-icon {
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border-radius: 10px;
    background: var(--dt-blue-tint);
    color: var(--dt-blue-soft);
    font-size: 1.1rem;
    margin-bottom: 1.1rem;
}
.dt-service-title { font-size: 1.05rem; margin-bottom: 0.55rem; }
.dt-service-title a { color: var(--dt-heading); font-weight: 600; }
.dt-service-title a:hover { color: var(--dt-blue-soft); }
.dt-service-short { color: var(--dt-text-muted); font-size: 0.9rem; margin-bottom: 0.85rem; }
.dt-service-value { color: var(--dt-blue-soft); font-size: 0.84rem; margin-bottom: 1rem; }
.dt-service-link { font-weight: 500; font-size: 0.9rem; margin-top: auto; }
.dt-service-link i { transition: transform 0.2s ease; font-size: 0.8rem; }
.dt-service-card:hover .dt-service-link i { transform: translateX(3px); }
[dir="rtl"] .dt-service-card:hover .dt-service-link i { transform: translateX(-3px); }

.dt-feature-card {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line);
    border-radius: 12px;
    padding: 1.45rem;
    height: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.dt-feature-card .dt-service-icon { width: 40px; height: 40px; font-size: 0.95rem; margin-bottom: 0.9rem; }
.dt-feature-card h3 { font-size: 0.98rem; margin-bottom: 0.45rem; }
.dt-feature-card p { color: var(--dt-text-muted); font-size: 0.87rem; margin: 0; }

.dt-industry-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line);
    border-radius: 12px;
    padding: 1.35rem;
    height: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.dt-industry-card .dt-service-icon { margin-bottom: 0; flex-shrink: 0; width: 42px; height: 42px; font-size: 1rem; }
.dt-industry-card h3 { font-size: 0.98rem; margin-bottom: 0.35rem; }
.dt-industry-card p { color: var(--dt-text-muted); font-size: 0.86rem; margin: 0; }

/* Process */
.dt-process-step { position: relative; padding-top: 1.3rem; }
.dt-process-number {
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1;
    color: var(--dt-blue-soft);
    opacity: 0.55;
    font-variant-numeric: tabular-nums;
}
.dt-process-step h3 { font-size: 1rem; margin: 0.6rem 0 0.4rem; }
.dt-process-step p { color: var(--dt-text-muted); font-size: 0.88rem; margin: 0; }
.dt-process-line { border-top: 1px dashed var(--dt-line-strong); margin-top: 1.1rem; }

/* Leadership */
.dt-leader-card {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line);
    border-radius: 14px;
    padding: 2.1rem;
    text-align: center;
    height: 100%;
}
.dt-leader-avatar {
    width: 84px; height: 84px;
    margin: 0 auto 1.15rem;
    border-radius: 50%;
    display: grid; place-items: center;
    background: var(--dt-blue-tint);
    border: 1px solid var(--dt-line-strong);
    color: var(--dt-blue-soft);
    font-size: 1.5rem;
}
.dt-leader-role { color: var(--dt-blue-soft); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin: 0; }
.dt-leader-name { font-size: 1.2rem; margin: 0.35rem 0 0.8rem; font-weight: 600; }
.dt-leader-bio { color: var(--dt-text-muted); font-size: 0.9rem; margin: 0; }

/* Lists */
.dt-check-list { list-style: none; padding: 0; margin: 0; }
.dt-check-list li { position: relative; padding-inline-start: 1.8rem; margin-bottom: 0.65rem; color: var(--dt-text-muted); font-size: 0.94rem; }
.dt-check-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    inset-inline-start: 0;
    top: 0.12rem;
    color: var(--dt-blue-soft);
    font-size: 0.78rem;
}
.dt-numbered-list { list-style: none; counter-reset: dt-item; padding: 0; margin: 0; }
.dt-numbered-list li { counter-increment: dt-item; position: relative; padding-inline-start: 2.4rem; margin-bottom: 1.1rem; color: var(--dt-text-muted); font-size: 0.94rem; }
.dt-numbered-list li::before {
    content: counter(dt-item, decimal-leading-zero);
    position: absolute;
    inset-inline-start: 0;
    top: 0;
    font-weight: 600;
    color: var(--dt-blue-soft);
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}
.dt-challenge-list li::before { content: "\f071"; font-size: 0.7rem; }

.dt-tech-pill {
    display: inline-block;
    border: 1px solid var(--dt-line-strong);
    background: var(--dt-bg-2);
    color: var(--dt-text);
    border-radius: 999px;
    padding: 0.3rem 0.9rem;
    font-size: 0.84rem;
    margin: 0.22rem;
    transition: border-color 0.2s ease, color 0.2s ease;
}
.dt-tech-pill:hover { border-color: var(--dt-blue); color: var(--dt-blue-soft); }

/* FAQ */
.dt-faq-item { background: var(--dt-bg-2); border: 1px solid var(--dt-line); border-radius: 10px; margin-bottom: 0.7rem; overflow: hidden; }
.dt-faq-item .accordion-button { background: transparent; color: var(--dt-heading); font-weight: 500; font-size: 0.97rem; padding: 1rem 1.3rem; box-shadow: none; }
.dt-faq-item .accordion-button:not(.collapsed) { color: var(--dt-blue-soft); background: var(--dt-blue-tint); }
.dt-faq-item .accordion-button::after { filter: invert(0); }
[data-theme="dark"] .dt-faq-item .accordion-button::after { filter: invert(0.8); }
.dt-faq-item .accordion-body { color: var(--dt-text-muted); font-size: 0.92rem; padding: 0.2rem 1.3rem 1.1rem; }

/* CTA */
.dt-cta-section { padding-bottom: 5.5rem; }
.dt-cta {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line-strong);
    border-radius: 14px;
    padding: 3rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.75rem;
    position: relative;
    overflow: hidden;
}
.dt-cta::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--dt-blue);
}
.dt-cta-title { font-size: clamp(1.4rem, 2.6vw, 1.95rem); margin-bottom: 0.55rem; font-weight: 600; }
.dt-cta-desc { color: var(--dt-text-muted); margin: 0; max-width: 520px; }
.dt-cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Newsletter */
.dt-newsletter-section { padding-bottom: 5.5rem; }
.dt-newsletter {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line-strong);
    border-radius: 14px;
    padding: 2.75rem;
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 2.25rem;
    align-items: center;
}
.dt-newsletter-copy h2 { font-size: 1.55rem; margin-bottom: 0.6rem; font-weight: 600; }
.dt-newsletter-copy p { color: var(--dt-text-muted); margin: 0; font-size: 0.95rem; }
.dt-newsletter-note { font-size: 0.78rem; color: var(--dt-text-muted); margin: 0.7rem 0 0; }

/* Forms */
.dt-form-control, .dt-form-select {
    background: var(--dt-bg);
    border: 1px solid var(--dt-line-strong);
    color: var(--dt-text-strong);
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    font-size: 0.94rem;
}
.dt-form-control:focus, .dt-form-select:focus {
    background: var(--dt-bg);
    border-color: var(--dt-blue);
    color: var(--dt-text-strong);
    box-shadow: 0 0 0 3px var(--dt-blue-tint);
}
.dt-form-control::placeholder { color: var(--dt-text-muted); opacity: 0.75; }
.dt-form-label { color: var(--dt-heading); font-weight: 500; font-size: 0.9rem; margin-bottom: 0.35rem; }
.dt-field-error { color: #D64545; font-size: 0.82rem; margin-top: 0.3rem; }
.dt-field-error:empty { display: none; }
.dt-form-status { margin-top: 0.85rem; font-size: 0.9rem; min-height: 1.3rem; }
.dt-form-status:empty { min-height: 0; margin-top: 0; }
.dt-form-status.is-success { color: #2E9E5B; }
.dt-form-status.is-error { color: #D64545; }
.dt-honeypot { position: absolute; inset-inline-start: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* Contact cards */
.dt-contact-card {
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line);
    border-radius: 12px;
    padding: 1.6rem 1.5rem;
    text-align: center;
    height: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.dt-contact-card:hover { border-color: var(--dt-blue); box-shadow: var(--dt-shadow-soft); }
.dt-contact-card .dt-service-icon { margin: 0 auto 0.9rem; }
.dt-contact-card h2 { font-size: 1rem; margin-bottom: 0.35rem; font-weight: 600; }
.dt-contact-card a { color: var(--dt-text-muted); word-break: break-word; font-size: 0.93rem; }
.dt-contact-card a:hover { color: var(--dt-blue-soft); }

/* Footer */
.dt-footer { background: var(--dt-bg); border-top: 1px solid var(--dt-line); }
[data-theme="dark"] .dt-footer { background: #0A0E13; }
.dt-footer-top { padding: 4rem 0 2.5rem; border-bottom: 1px solid var(--dt-line); }
.dt-footer-logo { object-fit: contain; height: 38px; width: auto; }
.dt-footer-about { color: var(--dt-text-muted); font-size: 0.9rem; max-width: 330px; margin: 1.1rem 0 0; }
.dt-footer-heading { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--dt-heading); margin-bottom: 1.05rem; }
.dt-footer-links { list-style: none; padding: 0; margin: 0; }
.dt-footer-links li { margin-bottom: 0.5rem; }
.dt-footer-links a { color: var(--dt-text-muted); font-size: 0.9rem; }
.dt-footer-links a:hover { color: var(--dt-blue-soft); }
.dt-footer-contact { list-style: none; padding: 0; margin: 0 0 1rem; }
.dt-footer-contact li { display: flex; gap: 0.65rem; align-items: baseline; color: var(--dt-text-muted); font-size: 0.9rem; margin-bottom: 0.45rem; }
.dt-footer-contact i { color: var(--dt-blue-soft); width: 15px; }
.dt-footer-actions { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.dt-footer-middle {
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--dt-line);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem 1.5rem;
}
.dt-footer-copyright { color: var(--dt-text-muted); font-size: 0.86rem; margin-top: 0.4rem; padding-top: 0.9rem; border-top: 1px solid var(--dt-line); }
.dt-footer-legal a { color: var(--dt-text-muted); font-size: 0.86rem; }
.dt-footer-legal a:hover { color: var(--dt-blue-soft); }
.dt-footer-lang-label { color: var(--dt-text-muted); font-size: 0.86rem; }

[hidden] { display: none !important; }

/* Cookie consent — inline on small screens so it never covers content */
.dt-cookie-consent {
    position: fixed;
    bottom: 1rem;
    inset-inline: 1rem;
    z-index: 1055;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    background: var(--dt-bg-2);
    border: 1px solid var(--dt-line-strong);
    border-radius: 12px;
    box-shadow: var(--dt-shadow);
    padding: 0.95rem 1.3rem;
    font-size: 0.86rem;
    color: var(--dt-text-muted);
    max-width: 720px;
    margin-inline: auto;
}
.dt-cookie-close {
    position: absolute;
    top: 0.45rem;
    inset-inline-end: 0.5rem;
    background: none;
    border: none;
    color: var(--dt-text-muted);
    font-size: 0.85rem;
    padding: 0.3rem;
    line-height: 1;
    border-radius: 6px;
}
.dt-cookie-close:hover { color: var(--dt-heading); background: var(--dt-blue-tint); }
@media (max-width: 767.98px) {
    .dt-cookie-consent {
        position: static;
        max-width: none;
        margin: 1rem 0.75rem 0;
        flex-direction: column;
        align-items: stretch;
        text-align: start;
    }
    .dt-cookie-consent[hidden] { display: none; }
}

/* Welcome modal */
.dt-welcome-content { background: var(--dt-bg-2); border: 1px solid var(--dt-line-strong); border-radius: 14px; position: relative; }
.dt-welcome-close { position: absolute; top: 0.9rem; inset-inline-end: 0.9rem; z-index: 2; }
[data-theme="dark"] .dt-welcome-close { filter: invert(1); }
.dt-welcome-title { font-size: 1.5rem; margin-bottom: 0.6rem; font-weight: 600; }
.dt-welcome-desc { color: var(--dt-text-muted); margin: 0; font-size: 0.95rem; }

/* 18. Animations — subtle only */
.dt-reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.dt-reveal.dt-revealed { opacity: 1; transform: none; }
.dt-hero .dt-hero-inner > * { animation: dt-enter 0.55s ease both; }
.dt-hero .dt-hero-inner > *:nth-child(2) { animation-delay: 0.08s; }
.dt-hero .dt-hero-inner > *:nth-child(3) { animation-delay: 0.16s; }
.dt-hero .dt-hero-inner > *:nth-child(4) { animation-delay: 0.24s; }
@keyframes dt-enter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .dt-reveal { opacity: 1; transform: none; }
}

/* 19. Responsive */
@media (max-width: 991.98px) {
    .dt-hero { padding: 7rem 0 4rem; }
    .dt-hero-panel { margin-top: 2.5rem; }
    .dt-newsletter { grid-template-columns: 1fr; padding: 1.8rem; }
}
@media (max-width: 575.98px) {
    .dt-section { padding: 3.25rem 0; }
    .dt-hero-actions .btn { flex: 1 1 100%; }
    .dt-cta { padding: 1.75rem; flex-direction: column; align-items: flex-start; }
    .dt-cta-actions, .dt-cta-actions .btn { width: 100%; }
    .dt-newsletter-form .btn { width: 100%; }
    .dt-cookie-consent { inset-inline: 0.7rem; bottom: 0.7rem; }
    .dt-brand img { height: 30px; }
}

/* 20. RTL */
[dir="rtl"] body { text-align: right; }
[dir="rtl"] .dt-mega-grid { direction: rtl; }