/* =========================================================
   OFSL Techno — Shared design system  (namespace: ofsl-)
   Light theme primary + strategic dark sections
   ========================================================= */
:root {
    --ofsl-ink: #0f1729;
    --ofsl-ink-soft: #33405c;
    --ofsl-muted: #69748c;
    --ofsl-bg: #ffffff;
    --ofsl-soft: #f5f6fb;
    --ofsl-soft-2: #eef1f8;
    --ofsl-line: #e6e9f2;
    --ofsl-dark: #0a0e1b;
    --ofsl-dark-2: #111832;
    --ofsl-dark-card: #161d38;
    --ofsl-accent: #4f46e5;
    --ofsl-accent-2: #7c3aed;
    --ofsl-accent-3: #22d3ee;
    --ofsl-accent-soft: #eef0ff;
    --ofsl-grad: linear-gradient(120deg,#4f46e5 0%,#7c3aed 100%);
    --ofsl-grad-3: linear-gradient(120deg,#6366f1 0%,#7c3aed 55%,#22d3ee 120%);
    --ofsl-shadow-sm: 0 4px 14px rgba(20,25,60,.06);
    --ofsl-shadow: 0 18px 45px -20px rgba(30,32,90,.28);
    --ofsl-shadow-lg: 0 40px 90px -35px rgba(25,28,80,.4);
    --ofsl-r: 18px;
    --ofsl-r-lg: 26px;
    --ofsl-ease: cubic-bezier(.22,.61,.36,1);
    --ofsl-radius-pill: 100px;
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden
}

body {
    margin: 0;
    font-family: 'Inter',system-ui,sans-serif;
    color: var(--ofsl-ink-soft);
    background: var(--ofsl-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    font-size: 16px;
}

h1, h2, h3, h4, h5, .ofsl-display {
    font-family: 'Plus Jakarta Sans',sans-serif;
    color: var(--ofsl-ink);
    line-height: 1.12;
    letter-spacing: -.02em;
    font-weight: 800;
    margin: 0
}

p {
    margin: 0
}

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

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

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

.ofsl-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%
}

section {
    position: relative
}

/* ---------- shared type helpers ---------- */
.ofsl-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Plus Jakarta Sans';
    font-weight: 700;
    font-size: 13px;
    letter-spacing: .04em;
    color: var(--ofsl-accent);
    padding: 7px 14px;
    border-radius: var(--ofsl-radius-pill);
    background: var(--ofsl-accent-soft);
    border: 1px solid rgba(79,70,229,.16)
}

    .ofsl-eyebrow i {
        font-size: 12px
    }

.ofsl-dark .ofsl-eyebrow {
    color: #c7c1ff;
    background: rgba(124,92,246,.14);
    border-color: rgba(124,92,246,.3)
}

.ofsl-h2 {
    font-size: clamp(28px,4vw,44px);
    font-weight: 800
}

.ofsl-lead {
    font-size: clamp(16px,2vw,18px);
    color: var(--ofsl-muted);
    max-width: 60ch
}

.ofsl-grad-text {
    background: var(--ofsl-grad-3);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.ofsl-sec {
    padding: 96px 0
}

.ofsl-sec-sm {
    padding: 64px 0
}

.ofsl-center {
    text-align: center
}

    .ofsl-center .ofsl-lead {
        margin-left: auto;
        margin-right: auto
    }

/* ---------- dark section base ---------- */
.ofsl-dark {
    background: var(--ofsl-dark);
    color: #aeb6cc
}

    .ofsl-dark h1, .ofsl-dark h2, .ofsl-dark h3, .ofsl-dark h4, .ofsl-dark h5 {
        color: #fff
    }

    .ofsl-dark .ofsl-lead {
        color: #9aa3be
    }

/* ---------- buttons ---------- */
.ofsl-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: 'Plus Jakarta Sans';
    font-weight: 700;
    font-size: 15px;
    padding: 13px 24px;
    border-radius: 13px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .28s var(--ofsl-ease),box-shadow .28s var(--ofsl-ease),background .28s,color .28s;
    line-height: 1;
    white-space: nowrap
}

.ofsl-btn-primary {
    background: var(--ofsl-grad);
    color: #fff;
    box-shadow: 0 12px 26px -10px rgba(79,70,229,.7)
}

    .ofsl-btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 38px -12px rgba(79,70,229,.85);
        color: #fff
    }

.ofsl-btn-ghost {
    background: #fff;
    color: var(--ofsl-ink);
    border-color: var(--ofsl-line);
    box-shadow: var(--ofsl-shadow-sm)
}

    .ofsl-btn-ghost:hover {
        transform: translateY(-3px);
        border-color: #cdd2e6;
        color: var(--ofsl-ink)
    }

.ofsl-dark .ofsl-btn-ghost {
    background: rgba(255,255,255,.06);
    color: #fff;
    border-color: rgba(255,255,255,.16)
}

    .ofsl-dark .ofsl-btn-ghost:hover {
        background: rgba(255,255,255,.12)
    }

.ofsl-btn-lg {
    padding: 16px 30px;
    font-size: 16px
}

.ofsl-btn i.arrow {
    transition: transform .28s var(--ofsl-ease)
}

.ofsl-btn:hover i.arrow {
    transform: translateX(4px)
}

/* ---------- header ---------- */
.ofsl-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: .35s var(--ofsl-ease)
}

    .ofsl-header .ofsl-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 80px;
        transition: height .35s
    }

    .ofsl-header.scrolled {
        background: rgba(255,255,255,.82);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--ofsl-line);
        box-shadow: 0 6px 26px -18px rgba(20,25,60,.5)
    }

        .ofsl-header.scrolled .ofsl-nav {
            height: 66px
        }

.ofsl-brand {
    display: flex;
    align-items: center;
    gap: 11px;
    font-family: 'Plus Jakarta Sans';
    font-weight: 800;
    font-size: 20px;
    color: var(--ofsl-ink);
    letter-spacing: -.02em
}

    .ofsl-brand img {
        height: 64px;
        width: auto
    }

    .ofsl-brand small {
        display: block;
        font-size: 10.5px;
        font-weight: 600;
        letter-spacing: .14em;
        color: var(--ofsl-muted);
        text-transform: uppercase;
        margin-top: 1px
    }

    .ofsl-brand .bt {
        line-height: 1.05
    }

.ofsl-navlinks {
    display: flex;
    align-items: center;
    gap: 6px
}

    .ofsl-navlinks > li > a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 15px;
        border-radius: 10px;
        font-family: 'Plus Jakarta Sans';
        font-weight: 600;
        font-size: 15px;
        color: var(--ofsl-ink-soft);
        transition: .2s
    }

        .ofsl-navlinks > li > a:hover, .ofsl-navlinks > li.active > a {
            color: var(--ofsl-accent);
            background: var(--ofsl-accent-soft)
        }

.ofsl-nav-cta {
    display: flex;
    align-items: center;
    gap: 12px
}

.ofsl-has-mega {
    position: relative
}

.ofsl-mega {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 520px;
    background: #fff;
    border: 1px solid var(--ofsl-line);
    border-radius: 20px;
    box-shadow: var(--ofsl-shadow-lg);
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: .28s var(--ofsl-ease);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    z-index: 50
}

.ofsl-has-mega:hover .ofsl-mega {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0)
}

.ofsl-mega a {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 13px;
    transition: .2s;
    align-items: flex-start
}

    .ofsl-mega a:hover {
        background: var(--ofsl-soft)
    }

.ofsl-mega .mi {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    flex: none;
    display: grid;
    place-items: center;
    background: var(--ofsl-accent-soft);
    color: var(--ofsl-accent);
    font-size: 15px
}

.ofsl-mega b {
    display: block;
    font-family: 'Plus Jakarta Sans';
    font-size: 14.5px;
    color: var(--ofsl-ink);
    font-weight: 700
}

.ofsl-mega span {
    font-size: 12.5px;
    color: var(--ofsl-muted);
    line-height: 1.4
}

.ofsl-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--ofsl-line);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center
}

    .ofsl-burger span {
        width: 20px;
        height: 2px;
        background: var(--ofsl-ink);
        border-radius: 2px;
        transition: .3s var(--ofsl-ease)
    }

    .ofsl-burger.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg)
    }

    .ofsl-burger.open span:nth-child(2) {
        opacity: 0
    }

    .ofsl-burger.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg)
    }

/* --- header over a dark hero: white text until scrolled --- */
.ofsl-header.over-dark:not(.scrolled) .ofsl-brand {
    color: #fff
}

    .ofsl-header.over-dark:not(.scrolled) .ofsl-brand small {
        color: rgba(255,255,255,.62)
    }

.ofsl-header.over-dark:not(.scrolled) .ofsl-navlinks > li > a {
    color: rgba(255,255,255,.86)
}

    .ofsl-header.over-dark:not(.scrolled) .ofsl-navlinks > li > a:hover,
    .ofsl-header.over-dark:not(.scrolled) .ofsl-navlinks > li.active > a {
        color: #fff;
        background: rgba(255,255,255,.12)
    }

.ofsl-header.over-dark:not(.scrolled) .ofsl-burger {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.28)
}

    .ofsl-header.over-dark:not(.scrolled) .ofsl-burger span {
        background: #fff
    }

/* mobile drawer */
.ofsl-drawer {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(360px,86vw);
    background: #fff;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform .4s var(--ofsl-ease);
    box-shadow: -30px 0 80px -30px rgba(0,0,0,.4);
    padding: 24px;
    display: flex;
    flex-direction: column;
    overflow-y: auto
}

    .ofsl-drawer.open {
        transform: translateX(0)
    }

.ofsl-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px
}

.ofsl-drawer a.dl {
    display: block;
    padding: 15px 12px;
    border-bottom: 1px solid var(--ofsl-line);
    font-family: 'Plus Jakarta Sans';
    font-weight: 600;
    font-size: 17px;
    color: var(--ofsl-ink)
}

.ofsl-drawer .ofsl-btn {
    margin-top: 20px;
    justify-content: center
}

.ofsl-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,14,27,.5);
    backdrop-filter: blur(3px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: .3s
}

    .ofsl-overlay.open {
        opacity: 1;
        visibility: visible
    }

/* ---------- shared: section heading block ---------- */
.ofsl-sechead {
    max-width: 640px;
    margin-bottom: 52px
}

    .ofsl-sechead.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center
    }

    .ofsl-sechead .ofsl-eyebrow {
        margin-bottom: 18px
    }

    .ofsl-sechead h2 {
        margin-bottom: 16px
    }

/* ---------- shared: feature/service card ---------- */
.ofsl-card {
    background: #fff;
    border: 1px solid var(--ofsl-line);
    border-radius: var(--ofsl-r-lg);
    padding: 30px;
    transition: transform .35s var(--ofsl-ease),box-shadow .35s var(--ofsl-ease),border-color .35s;
    height: 100%
}

    .ofsl-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--ofsl-shadow);
        border-color: transparent
    }

.ofsl-ico {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 22px;
    background: var(--ofsl-accent-soft);
    color: var(--ofsl-accent);
    margin-bottom: 20px;
    transition: .35s var(--ofsl-ease)
}

.ofsl-card:hover .ofsl-ico {
    background: var(--ofsl-grad);
    color: #fff;
    transform: rotate(-6deg)
}

.ofsl-card h3 {
    font-size: 20px;
    margin-bottom: 10px
}

.ofsl-card p {
    font-size: 14.5px;
    color: var(--ofsl-muted);
    margin-bottom: 16px
}

.ofsl-learn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: 'Plus Jakarta Sans';
    font-weight: 700;
    font-size: 14px;
    color: var(--ofsl-accent)
}

    .ofsl-learn i {
        transition: transform .25s var(--ofsl-ease)
    }

.ofsl-card:hover .ofsl-learn i {
    transform: translateX(4px)
}

/* ---------- shared: stat counters ---------- */
.ofsl-stats {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px
}

.ofsl-stat b {
    font-family: 'Plus Jakarta Sans';
    font-weight: 800;
    font-size: clamp(34px,4vw,50px);
    display: block;
    line-height: 1;
    background: var(--ofsl-grad-3);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.ofsl-stat span {
    font-size: 14px;
    color: var(--ofsl-muted);
    margin-top: 8px;
    display: block
}

.ofsl-dark .ofsl-stat span {
    color: #9aa3be
}

/* ---------- shared: CTA band ---------- */
.ofsl-cta {
    position: relative;
    overflow: hidden;
    background: var(--ofsl-dark)
}

    .ofsl-cta .blob {
        position: absolute;
        border-radius: 50%;
        filter: blur(80px);
        opacity: .5
    }

    .ofsl-cta .b1 {
        width: 460px;
        height: 460px;
        background: #4f46e5;
        top: -160px;
        left: -100px
    }

    .ofsl-cta .b2 {
        width: 420px;
        height: 420px;
        background: #7c3aed;
        bottom: -180px;
        right: -80px
    }

.ofsl-cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 90px 0
}

.ofsl-cta h2 {
    font-size: clamp(30px,4.5vw,48px);
    color: #fff;
    margin-bottom: 16px
}

.ofsl-cta p {
    color: #9aa3be;
    max-width: 520px;
    margin: 0 auto 30px;
    font-size: 17px
}

.ofsl-cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap
}

/* ---------- footer ---------- */
.ofsl-footer {
    background: var(--ofsl-dark);
    color: #8b95b0;
    padding: 76px 0 28px;
    position: relative;
    overflow: hidden
}

    .ofsl-footer .fglow {
        position: absolute;
        width: 600px;
        height: 300px;
        background: radial-gradient(circle,rgba(79,70,229,.22),transparent 70%);
        top: -120px;
        left: 50%;
        transform: translateX(-50%);
        filter: blur(30px);
        pointer-events: none
    }

.ofsl-fgrid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
    gap: 44px;
    margin-bottom: 54px
}

.ofsl-footer .fbrand img {
    height: 60px;
    margin-bottom: 18px
}

.ofsl-footer .fbrand p {
    font-size: 14px;
    color: #8b95b0;
    max-width: 280px;
    margin-bottom: 20px
}

.ofsl-fcol h4 {
    font-family: 'Plus Jakarta Sans';
    font-size: 14px;
    color: #fff;
    letter-spacing: .02em;
    margin-bottom: 18px;
    font-weight: 700
}

.ofsl-fcol a {
    display: block;
    font-size: 14px;
    color: #8b95b0;
    margin-bottom: 12px;
    transition: .2s;
    width: fit-content
}

    .ofsl-fcol a:hover {
        color: #fff;
        transform: translateX(3px)
    }

.ofsl-fcontact li {
    display: flex;
    gap: 11px;
    font-size: 14px;
    color: #8b95b0;
    margin-bottom: 14px;
    align-items: flex-start
}

    .ofsl-fcontact li i {
        color: var(--ofsl-accent-3);
        margin-top: 4px
    }

.ofsl-fsocial {
    display: flex;
    gap: 10px;
    margin-top: 6px
}

    .ofsl-fsocial a {
        width: 40px;
        height: 40px;
        border-radius: 11px;
        background: rgba(255,255,255,.05);
        border: 1px solid rgba(255,255,255,.08);
        display: grid;
        place-items: center;
        color: #aeb6cc;
        transition: .25s
    }

        .ofsl-fsocial a:hover {
            background: var(--ofsl-grad);
            color: #fff;
            transform: translateY(-3px);
            border-color: transparent
        }

.ofsl-fbottom {
    position: relative;
    z-index: 2;
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 26px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap
}

    .ofsl-fbottom p {
        font-size: 13px;
        color: #69748c
    }

    .ofsl-fbottom .fl {
        display: flex;
        gap: 22px
    }

        .ofsl-fbottom .fl a {
            font-size: 13px;
            color: #8b95b0;
            transition: .2s
        }

            .ofsl-fbottom .fl a:hover {
                color: #fff
            }

/* ---------- decorative shared ---------- */
.ofsl-gridbg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(79,70,229,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(79,70,229,.05) 1px,transparent 1px);
    background-size: 52px 52px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 30%,#000,transparent 75%)
}

.ofsl-dark .ofsl-gridbg {
    background-image: linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px)
}

.ofsl-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0
}

/* ---------- page hero shared (inner pages) ---------- */
.ofsl-pagehero {
    position: relative;
    overflow: hidden;
    padding: 150px 0 80px;
    background: var(--ofsl-dark)
}

    .ofsl-pagehero .ofsl-container {
        position: relative;
        z-index: 2
    }

.ofsl-crumb {
    display: flex;
    gap: 9px;
    align-items: center;
    font-size: 13.5px;
    color: #8b95b0;
    margin-bottom: 22px;
    font-family: 'Plus Jakarta Sans';
    font-weight: 600
}

    .ofsl-crumb a {
        color: #8b95b0
    }

        .ofsl-crumb a:hover {
            color: #fff
        }

    .ofsl-crumb i {
        font-size: 9px;
        opacity: .6
    }

    .ofsl-crumb .cur {
        color: var(--ofsl-accent-3)
    }

/* ---------- reveal (used with data-aos too; fallback) ---------- */
[data-aos] {
    pointer-events: auto
}

/* ---------- responsive ---------- */
@media(max-width:992px) {
    .ofsl-navlinks, .ofsl-nav-cta .ofsl-btn {
        display: none
    }

    .ofsl-burger {
        display: flex
    }

    .ofsl-stats {
        grid-template-columns: 1fr 1fr;
        gap: 32px 20px
    }

    .ofsl-fgrid {
        grid-template-columns: 1fr 1fr;
        gap: 36px
    }

    .ofsl-sec {
        padding: 72px 0
    }
}

@media(max-width:576px) {
    .ofsl-container {
        padding: 0 18px
    }

    .ofsl-fgrid {
        grid-template-columns: 1fr;
        gap: 30px
    }

    .ofsl-fbottom {
        flex-direction: column;
        text-align: center
    }

    .ofsl-pagehero {
        padding: 120px 0 60px
    }

    .ofsl-cta-inner {
        padding: 64px 0
    }

    .ofsl-btn {
        width: 100%;
        justify-content: center
    }

    .ofsl-nav-cta {
        width: auto
    }
}

@media(prefers-reduced-motion:reduce) {
    * {
        animation-duration: .001ms !important;
        transition-duration: .01ms !important
    }

    html {
        scroll-behavior: auto
    }
}

:focus-visible {
    outline: 2px solid var(--ofsl-accent);
    outline-offset: 3px;
    border-radius: 6px
}