/* =========================================================
   Infocentric Ltd — redesign (Navy + Electric)
   Replaces the old Tooplate 2081 theme.
   ========================================================= */

:root {
    --navy:        #0F1E3D;
    --navy-2:      #16294f;
    --navy-3:      #1d3566;
    --electric:    #2F6BFF;
    --electric-d:  #1d54d6;
    --bg:          #070e1f;
    --card:        rgba(22, 41, 82, 0.55);
    --card-solid:  #122247;
    --heading:     #eef3ff;
    --text:        #c7d2e8;
    --muted:       #93a3c4;
    --line:        rgba(122, 160, 240, 0.16);
    --white:       #ffffff;
}

* { box-sizing: border-box; }

body {
    background:
        radial-gradient(1100px 600px at 85% -5%, rgba(47,107,255,.16), transparent 60%),
        radial-gradient(900px 500px at -5% 30%, rgba(47,107,255,.10), transparent 55%),
        var(--bg);
    background-attachment: fixed;
    font-family: 'Inter', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    color: var(--text);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: var(--heading);
    font-weight: 600;
    line-height: 1.25;
    margin-top: 0;
}

a { color: var(--electric); text-decoration: none; transition: all .25s ease; }
a:hover { color: var(--electric-d); }

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons (IC-chip style) ---------- */
.btn-primary,
.btn-ghost {
    position: relative;
    display: inline-block;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: .3px;
    padding: 15px 32px;
    border-radius: 11px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .2s ease, box-shadow .25s ease, border-color .25s ease, filter .2s ease;
}
/* IC leads (pins) on both sides */
.btn-primary::before, .btn-primary::after,
.btn-ghost::before, .btn-ghost::after {
    content: "";
    position: absolute;
    top: 10px; bottom: 10px;
    width: 5px;
    background: repeating-linear-gradient(to bottom,
        rgba(195,210,240,.9) 0 4px, transparent 4px 9px);
    border-radius: 2px;
}
.btn-primary::before, .btn-ghost::before { left: -6px; }
.btn-primary::after,  .btn-ghost::after  { right: -6px; }
.btn-primary {
    background: linear-gradient(180deg, #4a82ff 0%, #2f6bff 48%, #1d4fd0 100%);
    color: #fff;
    border-color: rgba(160,195,255,.6);
    text-shadow: 0 0 10px rgba(190,215,255,.6);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.4),
        inset 0 -9px 16px rgba(4,12,46,.45),
        0 10px 26px rgba(47,107,255,.45);
}
.btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.5),
        0 0 28px rgba(47,130,255,.7),
        0 12px 30px rgba(47,107,255,.55);
}
.btn-ghost {
    background: linear-gradient(180deg, #1b2f5a 0%, #0c1a38 100%);
    color: #d5e6ff;
    border-color: rgba(130,180,255,.45);
    margin-left: 16px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.18),
        inset 0 -9px 16px rgba(0,0,0,.4),
        0 8px 22px rgba(0,0,0,.5);
}
.btn-ghost:hover {
    transform: translateY(-2px);
    border-color: rgba(140,200,255,.9);
    color: #eafaff;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.25),
        0 0 24px rgba(47,130,255,.5),
        0 10px 26px rgba(0,0,0,.55);
}

/* ---------- Navigation ---------- */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 66px;
    background: linear-gradient(180deg, rgba(28,52,102,.45), rgba(15,30,61,.28));
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border-bottom: 1px solid rgba(122,240,255,.30);
    box-shadow:
        0 10px 34px rgba(8,16,36,.45),
        inset 0 1px 0 rgba(255,255,255,.18);
    z-index: 1000;
    overflow: hidden;
}
/* animated sheen sweeping across the glass */
.site-nav::after {
    content: "";
    position: absolute;
    top: 0; left: -60%;
    width: 50%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.14), transparent);
    transform: skewX(-18deg);
    animation: nav-sheen 7s ease-in-out infinite;
    pointer-events: none;
}
@keyframes nav-sheen {
    0%, 60% { left: -60%; }
    100% { left: 130%; }
}
.site-nav .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-nav .logo {
    position: relative;
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 29px;
    letter-spacing: .3px;
    display: inline-flex;
    align-items: center;
    gap: 13px;
    padding: 7px 10px 7px 26px;
    border-radius: 11px;
}
/* mini animated PCB board behind the wordmark */
.site-nav .logo .logo-pcb {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    z-index: 0;
    opacity: .55;
    border-radius: 11px;
    pointer-events: none;
}
.site-nav .logo .mark,
.site-nav .logo .ltd { position: relative; z-index: 2; }
/* incoming circuit lead + via feeding into the wordmark */
.site-nav .logo::before {
    content: "";
    position: absolute;
    left: 2px; top: 50%;
    width: 18px; height: 2px;
    transform: translateY(-50%);
    z-index: 2;
    background:
        radial-gradient(circle at 0 50%, #aee6ff 0 3px, transparent 4px),
        linear-gradient(90deg, rgba(130,205,255,.2), #7fd0ff);
    box-shadow: 0 0 8px rgba(120,200,255,.9);
}
/* chrome / metallic brand text with scaly texture + bevel + glow */
.site-nav .logo .mark {
    position: relative;
    background-image:
        radial-gradient(circle, rgba(10,20,45,.5) 1px, transparent 1.4px),
        repeating-linear-gradient(45deg, transparent 0 4px, rgba(120,190,255,.18) 4px 5px),
        linear-gradient(180deg, #ffffff 0%, #d7e6ff 28%, #8fb2f0 46%,
            #ffffff 50%, #7ea0e2 55%, #bcd0f6 74%, #f0f6ff 100%);
    background-size: 5px 5px, auto, auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    -webkit-text-stroke: .6px rgba(150,200,255,.45);
    filter:
        drop-shadow(0 1px 0 rgba(255,255,255,.55))
        drop-shadow(0 2px 3px rgba(0,0,0,.65))
        drop-shadow(0 0 22px rgba(110,180,255,.85));
}
/* glowing via pad + trace routing out of the wordmark toward the chip */
.site-nav .logo .mark::after {
    content: "";
    position: absolute;
    right: -10px; top: 50%;
    width: 12px; height: 2px;
    transform: translateY(-50%);
    background:
        radial-gradient(circle at 100% 50%, #aee6ff 0 3px, transparent 4px),
        linear-gradient(90deg, #7fd0ff, rgba(130,205,255,.2));
    box-shadow: 0 0 8px rgba(120,200,255,.85);
}
/* Ltd as an IC chip with leads */
.site-nav .logo .ltd {
    position: relative;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #dcebff;
    padding: 4px 9px;
    border-radius: 6px;
    background: linear-gradient(180deg, #27437e, #0e1f44);
    border: 1px solid rgba(150,195,255,.55);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.25),
        inset 0 -5px 10px rgba(0,0,0,.4),
        0 0 14px rgba(47,130,255,.45);
    text-shadow: 0 0 8px rgba(150,210,255,.8);
}
.site-nav .logo .ltd::before,
.site-nav .logo .ltd::after {
    content: "";
    position: absolute;
    top: 5px; bottom: 5px;
    width: 4px;
    background: repeating-linear-gradient(to bottom, rgba(195,210,240,.9) 0 3px, transparent 3px 7px);
    border-radius: 2px;
}
.site-nav .logo .ltd::before { left: -5px; }
.site-nav .logo .ltd::after  { right: -5px; }
.site-nav ul {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    gap: 18px;
}
.site-nav ul li a {
    position: relative;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 14px;
    padding: 9px 17px;
    border-radius: 8px;
    /* scaly metallic text */
    background-image:
        radial-gradient(circle, rgba(8,16,36,.45) .9px, transparent 1.3px),
        repeating-linear-gradient(45deg, transparent 0 3px, rgba(120,190,255,.14) 3px 4px),
        linear-gradient(180deg, #f3f8ff 0%, #c5d8f6 40%, #8fb0e6 52%, #eaf2ff 56%, #b6cdf0 100%);
    background-size: 4px 4px, auto, auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    transition: filter .2s ease;
}
/* chip body */
.site-nav ul li a::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(42,66,124,.5), rgba(12,24,52,.55));
    border: 1px solid rgba(130,180,255,.28);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.14), inset 0 -5px 10px rgba(0,0,0,.35);
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
/* IC leads on both sides of each chip — bright and chunky */
.site-nav ul li a::after {
    content: "";
    position: absolute;
    left: -8px; right: -8px; top: 6px; bottom: 6px;
    z-index: -2;
    filter: drop-shadow(0 0 4px rgba(150,200,255,.6));
    background:
        repeating-linear-gradient(to bottom, rgba(220,232,255,.98) 0 4px, transparent 4px 8px) left center / 6px 100% no-repeat,
        repeating-linear-gradient(to bottom, rgba(220,232,255,.98) 0 4px, transparent 4px 8px) right center / 6px 100% no-repeat;
}
.site-nav ul li a:hover { filter: drop-shadow(0 0 8px rgba(120,190,255,.6)); }
.site-nav ul li a:hover::before {
    border-color: rgba(140,200,255,.7);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 0 16px rgba(47,130,255,.5);
}
.site-nav ul li a.active {
    -webkit-text-fill-color: #fff;
    color: #fff;
}
.site-nav ul li a.active::before {
    background: linear-gradient(180deg, #4a82ff, #2f6bff 55%, #1d4fd0);
    border-color: rgba(160,195,255,.7);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 0 20px rgba(47,130,255,.6);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 86vh;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(47,107,255,.45), transparent 60%),
        radial-gradient(900px 500px at 0% 110%, rgba(47,107,255,.20), transparent 55%),
        linear-gradient(135deg, #0c1830 0%, var(--navy) 45%, var(--navy-3) 100%);
}
/* subtle grid texture */
.hero::after {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 80%);
    pointer-events: none;
}
/* animated particle "neural net" canvas */
.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
}
.hero-inner { position: relative; z-index: 3; padding-top: 66px; perspective: 900px; }
.hero h1 {
    color: #fff;
    font-size: 62px;
    font-weight: 700;
    letter-spacing: -1px;
    max-width: 780px;
    margin-bottom: 22px;
    transform-style: preserve-3d;
    transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform .15s ease-out;
    will-change: transform;
}
/* 3D holographic accent text — bright for contrast on navy */
.hero h1 .holo {
    position: relative;
    display: inline-block;
    transform-style: preserve-3d;
    background: linear-gradient(100deg, #8fb6ff, #d6f6ff, #ffffff, #c3d4ff, #7fa8ff, #d6f6ff);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: holo-shift 6s linear infinite;
    filter: drop-shadow(0 0 26px rgba(120,180,255,.75)) drop-shadow(0 2px 1px rgba(0,0,0,.45));
}
/* extruded depth layer sitting behind the glyphs */
.hero h1 .holo::before {
    content: attr(data-text);
    position: absolute;
    left: 0; top: 0;
    z-index: -1;
    color: #2a4d96;
    -webkit-text-fill-color: #2a4d96;
    background: none;
    transform: translateZ(-1px);
    text-shadow:
        1px 1px 0 #24468a,
        2px 2px 0 #203f7e,
        3px 3px 0 #1c3870,
        4px 4px 0 #183162,
        5px 5px 0 #142a54,
        6px 6px 0 #102346,
        7px 8px 18px rgba(0,0,0,.6);
}
@keyframes holo-shift { to { background-position: 300% 0; } }
@media (prefers-reduced-motion: reduce) {
    .hero h1 .holo { animation: none; }
}
.hero-sub {
    font-size: 20px;
    color: #c4cfe6;
    max-width: 620px;
    margin-bottom: 36px;
}
.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }

/* ---------- Page header (inner pages) — PCB board ---------- */
.page-header {
    position: relative;
    background: linear-gradient(135deg, #081428 0%, #0a1730 60%, #0c1c3a 100%);
    color: #fff;
    padding: 150px 0 64px;
    overflow: hidden;
}
.page-header .pcb {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
}
/* readability scrim so the title floats clearly above the traces */
.page-header::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    background: radial-gradient(120% 130% at 18% 60%, rgba(7,14,31,.82) 0%, rgba(7,14,31,.45) 38%, transparent 70%);
    pointer-events: none;
}
.page-header .container { position: relative; z-index: 3; }
/* title etched from the board: metallic fill + circuit hatch + glowing edge */
.page-header h1 {
    position: relative;
    display: inline-block;
    margin: 0;
    font-weight: 800;
    font-size: 50px;
    letter-spacing: .5px;
    color: transparent;
    /* scaly / rough texture: dimpled micro-dot grid + double cross-hatch over metal */
    background-image:
        radial-gradient(circle, rgba(8,16,36,.62) 1.1px, transparent 1.5px),
        radial-gradient(circle, rgba(200,235,255,.32) 1.0px, transparent 1.4px),
        repeating-linear-gradient(45deg, transparent 0 4px, rgba(120,190,255,.16) 4px 5px),
        repeating-linear-gradient(-45deg, transparent 0 4px, rgba(120,190,255,.12) 4px 5px),
        linear-gradient(180deg, #eef5ff 0%, #bdd6ff 32%, #6f9fe8 51%, #f2f8ff 55%, #8fb6f0 72%, #dcebff 100%);
    background-size: 5px 5px, 5px 5px, auto, auto, auto;
    background-position: 0 0, 2.5px 2.5px, 0 0, 0 0, 0 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 0.8px rgba(160,210,255,.5);
    filter: drop-shadow(0 2px 2px rgba(0,0,0,.6)) drop-shadow(0 0 22px rgba(70,150,255,.55));
}
/* glowing trace + via running out of the title into the board */
.page-header h1::after {
    content: "";
    position: absolute;
    left: 3px; bottom: -16px;
    width: 78%; height: 2px;
    background:
        radial-gradient(circle at 0 50%, #aee6ff 0 4px, transparent 5px),
        linear-gradient(90deg, rgba(130,205,255,.95), rgba(130,205,255,0));
    box-shadow: 0 0 12px rgba(120,200,255,.85);
}
.page-header p {
    margin: 30px 0 0;
    font-size: 16px;
    letter-spacing: .4px;
    color: #b9cdee;
    font-family: ui-monospace, 'Cascadia Code', 'Courier New', monospace;
    text-shadow: 0 2px 10px rgba(0,0,0,.7);
}
.page-header p::before { content: "// "; color: #7fd0ff; }

/* ---------- Generic section ---------- */
.section { padding: 84px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section-head h2 {
    position: relative;
    display: inline-block;
    font-size: 38px;
    margin-bottom: 30px;
    color: transparent;
    /* same scaly metallic texture as the PCB headers */
    background-image:
        radial-gradient(circle, rgba(8,16,36,.62) 1.1px, transparent 1.5px),
        radial-gradient(circle, rgba(200,235,255,.32) 1.0px, transparent 1.4px),
        repeating-linear-gradient(45deg, transparent 0 4px, rgba(120,190,255,.16) 4px 5px),
        repeating-linear-gradient(-45deg, transparent 0 4px, rgba(120,190,255,.12) 4px 5px),
        linear-gradient(180deg, #eef5ff 0%, #bdd6ff 32%, #6f9fe8 51%, #f2f8ff 55%, #8fb6f0 72%, #dcebff 100%);
    background-size: 5px 5px, 5px 5px, auto, auto, auto;
    background-position: 0 0, 2.5px 2.5px, 0 0, 0 0, 0 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 0.7px rgba(160,210,255,.45);
    filter: drop-shadow(0 2px 2px rgba(0,0,0,.55)) drop-shadow(0 0 20px rgba(70,150,255,.5));
}
.section-head h2::after {
    content: "";
    position: absolute;
    left: 50%; transform: translateX(-50%);
    bottom: -16px; width: 150px; height: 2px;
    background: linear-gradient(90deg, transparent, rgba(130,205,255,.95), transparent);
    box-shadow: 0 0 12px rgba(120,200,255,.85);
}
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }
/* eyebrow as a tech label with traces on both sides */
.section-head .eyebrow { position: relative; }
.section-head .eyebrow::before,
.section-head .eyebrow::after {
    content: "";
    display: inline-block;
    width: 28px; height: 1px;
    vertical-align: middle;
    box-shadow: 0 0 8px rgba(47,107,255,.7);
}
.section-head .eyebrow::before { margin-right: 12px; background: linear-gradient(90deg, transparent, var(--electric)); }
.section-head .eyebrow::after  { margin-left: 12px;  background: linear-gradient(90deg, var(--electric), transparent); }

/* intro section riding on a PCB board */
.intro-tech { position: relative; overflow: hidden; }
.intro-tech .pcb {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    z-index: 0; opacity: .55;
}
.intro-tech::after {
    content: "";
    position: absolute; inset: 0; z-index: 1;
    background: radial-gradient(62% 80% at 50% 50%, rgba(7,14,31,.93) 0%, rgba(7,14,31,.62) 42%, transparent 82%);
    pointer-events: none;
}
.intro-tech .section-head,
.intro-tech .container { position: relative; z-index: 2; }
.eyebrow {
    display: inline-block;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--electric);
    margin-bottom: 12px;
}

/* ---------- Value strip (home) ---------- */
.values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-top: -64px;
    position: relative;
    z-index: 5;
}
.value {
    background: var(--card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 34px 30px;
    box-shadow: 0 14px 40px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.value:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,.5); border-color: rgba(47,107,255,.5); }
/* IC-chip style icon (shared look) */
.value .ico, .card .ico {
    position: relative;
    width: 64px; height: 64px;
    border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    color: #c8ecff;
    background:
        radial-gradient(120% 120% at 30% 20%, rgba(70,120,210,.45), transparent 60%),
        linear-gradient(150deg, #1a2e58 0%, #0c1a38 70%);
    border: 1px solid rgba(130,180,255,.40);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.20),
        inset 0 -9px 18px rgba(0,0,0,.45),
        0 10px 24px rgba(0,0,0,.5);
    text-shadow: 0 0 14px rgba(120,210,255,.85);
    transition: border-color .3s ease, box-shadow .3s ease, color .3s ease, transform .3s ease;
}
/* IC leads (pins) on the left and right edges */
.value .ico::before, .value .ico::after,
.card .ico::before, .card .ico::after {
    content: "";
    position: absolute;
    top: 13px; bottom: 13px;
    width: 5px;
    background: repeating-linear-gradient(to bottom,
        rgba(190,205,235,.9) 0 4px, transparent 4px 9px);
    border-radius: 2px;
}
.value .ico::before, .card .ico::before { left: -6px; }
.value .ico::after,  .card .ico::after  { right: -6px; }
/* pin-1 orientation marker */
.value .ico { margin-bottom: 22px; }
.card .ico  { margin-bottom: 24px; }
.value:hover .ico, .card:hover .ico {
    border-color: rgba(130,205,255,.95);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.28),
        0 0 28px rgba(47,130,255,.55),
        0 10px 26px rgba(0,0,0,.55);
    color: #eafaff;
    transform: translateY(-2px);
}
.value h3 { font-size: 20px; margin-bottom: 8px; }
.value p { color: var(--muted); margin: 0; }

/* ---------- About ---------- */
.vision { max-width: 860px; }
.vision .lead { font-size: 24px; color: var(--heading); font-weight: 500; margin-bottom: 22px; line-height: 1.4; }
.vision p { color: var(--muted); font-size: 17px; }

.models {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-top: 50px;
}
.model {
    position: relative;
    background-image:
        linear-gradient(rgba(120,180,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120,180,255,.05) 1px, transparent 1px),
        linear-gradient(180deg, rgba(22,41,82,.6), rgba(12,24,52,.5));
    background-size: 22px 22px, 22px 22px, auto;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--line);
    border-top: 4px solid var(--electric);
    border-radius: 12px;
    padding: 38px 28px 32px;
    box-shadow: 0 14px 40px rgba(0,0,0,.35), inset 0 5px 16px rgba(47,107,255,.18);
}
/* via pads sitting on the top power trace */
.model::before, .model::after {
    content: "";
    position: absolute;
    top: -5px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #aee6ff;
    box-shadow: 0 0 9px rgba(120,200,255,.95);
}
.model::before { left: 16px; }
.model::after  { right: 16px; }

/* numbered chip node, wired up to the top trace */
.model .num {
    position: relative;
    width: 48px; height: 48px;
    border-radius: 12px;
    background:
        radial-gradient(120% 120% at 30% 20%, rgba(70,120,210,.5), transparent 60%),
        linear-gradient(150deg, #1a2e58 0%, #0c1a38 75%);
    border: 1px solid rgba(130,180,255,.45);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.2),
        inset 0 -6px 12px rgba(0,0,0,.45),
        0 0 16px rgba(47,130,255,.4);
    color: #cdeeff;
    text-shadow: 0 0 10px rgba(120,210,255,.9);
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.model .num::before {
    content: "";
    position: absolute;
    left: 50%; top: -38px;
    width: 2px; height: 38px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(130,205,255,0), #7fd0ff);
    box-shadow: 0 0 8px rgba(120,200,255,.8);
}
.model h4 {
    font-size: 16px;
    letter-spacing: .8px;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: transparent;
    background-image:
        radial-gradient(circle, rgba(8,16,36,.55) .9px, transparent 1.3px),
        repeating-linear-gradient(45deg, transparent 0 4px, rgba(120,190,255,.16) 4px 5px),
        linear-gradient(180deg, #eef5ff 0%, #bdd6ff 38%, #7ea0e2 54%, #dcebff 100%);
    background-size: 4px 4px, auto, auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: .5px rgba(160,210,255,.4);
    filter: drop-shadow(0 0 12px rgba(70,150,255,.45));
}
.model ul { margin: 0; padding: 0; list-style: none; color: var(--muted); }
.model ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 11px;
}
.model ul li::before {
    content: "";
    position: absolute;
    left: 0; top: 9px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: radial-gradient(circle, #aee6ff 0 40%, rgba(47,130,255,.7) 62%, transparent 74%);
    box-shadow: 0 0 8px rgba(120,200,255,.8);
}

/* ---------- Services ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.card {
    background: var(--card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 34px 30px;
    box-shadow: 0 14px 40px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.05);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(0,0,0,.5);
    border-color: rgba(47,107,255,.55);
}
.card h4 { font-size: 20px; margin-bottom: 12px; }
.card p { color: var(--muted); margin: 0; }

/* ---------- Contact ---------- */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 46px;
    align-items: start;
}
.contact-info .item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-info .item .fa {
    color: var(--electric);
    font-size: 20px;
    margin-top: 4px;
    width: 24px;
    text-align: center;
}
.contact-info .item h4 { margin: 0 0 4px; font-size: 17px; }
.contact-info .item p { margin: 0; color: var(--muted); }

.contact-form .field { margin-bottom: 18px; }
.contact-form label {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 14px;
    color: var(--heading);
    margin-bottom: 7px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--line);
    border-radius: 9px;
    font-family: inherit;
    font-size: 15px;
    color: var(--heading);
    background: rgba(8, 16, 36, 0.6);
    transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #6b7da3; }
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--electric);
    box-shadow: 0 0 0 3px rgba(47,107,255,.15);
}
.contact-form textarea { resize: vertical; min-height: 140px; }

/* ---------- Footer ---------- */
.site-footer {
    position: relative;
    background:
        radial-gradient(900px 300px at 50% 0%, rgba(47,107,255,.10), transparent 70%),
        linear-gradient(180deg, #0a1730 0%, #070e1f 100%);
    color: #fff;
    border-top: 2px solid rgba(120,170,255,.22);
}
/* riveted hull seam across the top */
.site-footer::before {
    content: "";
    position: absolute;
    top: 6px; left: 0; right: 0;
    height: 8px;
    background-image: radial-gradient(circle, rgba(190,205,235,.9) 2px, rgba(120,140,180,.3) 2.6px, transparent 3.2px);
    background-size: 42px 8px;
    background-position: center;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,.6));
    opacity: .7;
    pointer-events: none;
}
/* bathyscaphe hull with portholes */
.footer-nav {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 54px;
    padding: 60px 24px 26px;
}
/* power-bus trace the portholes sit on (ties them to the board) */
.footer-nav::before {
    content: "";
    position: absolute;
    left: 8%; right: 8%; top: 50%;
    height: 2px;
    transform: translateY(-50%);
    z-index: 0;
    background: linear-gradient(90deg, transparent, rgba(120,200,255,.55) 12%, rgba(120,200,255,.55) 88%, transparent);
    box-shadow: 0 0 12px rgba(120,200,255,.5);
}
.footer-nav a {
    position: relative;
    z-index: 1;
    width: 210px; height: 150px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    background-size: cover;
    background-position: center;
    color: #eaf2ff;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: .3px;
    /* glass inner shading + depth */
    box-shadow:
        inset 0 0 34px rgba(0,0,0,.85),
        inset 0 7px 16px rgba(120,180,255,.16),
        0 12px 32px rgba(0,0,0,.6);
    transition: transform .3s ease, box-shadow .3s ease;
}
/* brushed-metal bezel ring around the porthole */
.footer-nav a::before {
    content: "";
    position: absolute;
    inset: -14px;
    border-radius: 26px;
    z-index: -1;
    background: conic-gradient(from 210deg,
        #4a5f8a, #aebfe0, #5f7099, #dce6ff, #5a6b94, #9fb0d8, #4a5f8a);
    box-shadow:
        0 10px 26px rgba(0,0,0,.6),
        0 0 22px rgba(47,120,255,.4),
        inset 0 2px 4px rgba(220,235,255,.55),
        inset 0 -5px 10px rgba(0,0,0,.55);
}
/* ring of bolts around the rim */
/* inner glass rim */
.footer-nav a::after {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: 15px;
    z-index: 1;
    box-shadow: inset 0 0 0 2px rgba(18,32,60,.6), inset 0 2px 8px rgba(255,255,255,.12);
    pointer-events: none;
}
/* hex bolts (wrench-head flats) around the rim */
.footer-nav a .bolt-ring {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}
.footer-nav a .bolt {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 13px; height: 13px;
    clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0 50%);
    background: linear-gradient(150deg, #525c72 0%, #3a4255 48%, #232a39 100%);
    box-shadow: 0 1px 2px rgba(0,0,0,.75);
}
.footer-nav a .bolt::before {
    content: "";
    position: absolute;
    inset: 2.5px;
    clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0 50%);
    background: linear-gradient(150deg, #333b4d, #1c2230);
    box-shadow: inset 0 1px 2px rgba(0,0,0,.85);
}
/* glass holding the animated server interior */
.footer-nav a .glass {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    overflow: hidden;
    z-index: 0;
    background: radial-gradient(circle at 50% 38%, #0a1830, #04101f 78%);
    box-shadow: inset 0 0 34px rgba(0,0,0,.9);
}
.footer-nav a .glass canvas { width: 100%; height: 100%; display: block; }
/* wet glossy reflection on the porthole glass */
.footer-nav a .glass::after {
    content: "";
    position: absolute; inset: 0;
    border-radius: 16px;
    background:
        radial-gradient(58% 42% at 33% 22%, rgba(255,255,255,.40), rgba(255,255,255,.10) 42%, transparent 64%),
        linear-gradient(135deg, rgba(255,255,255,.22) 0%, rgba(255,255,255,.05) 16%, transparent 40%);
    pointer-events: none;
}
/* scaly metallic label */
.footer-nav a .label {
    position: relative;
    z-index: 3;
    color: transparent;
    background-image:
        radial-gradient(circle, rgba(8,16,36,.6) .9px, transparent 1.3px),
        repeating-linear-gradient(45deg, transparent 0 4px, rgba(120,190,255,.18) 4px 5px),
        linear-gradient(180deg, #ffffff 0%, #cfe0ff 40%, #8fb0e6 54%, #eaf2ff 100%);
    background-size: 4px 4px, auto, auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: .5px rgba(16,28,56,.6);
    filter: drop-shadow(0 1px 2px rgba(0,0,0,.95)) drop-shadow(0 0 10px rgba(80,150,255,.5));
}
.footer-nav a:hover {
    transform: translateY(-4px);
    box-shadow:
        inset 0 0 30px rgba(0,0,0,.8),
        inset 0 7px 18px rgba(120,200,255,.32),
        0 0 30px rgba(47,130,255,.55),
        0 16px 36px rgba(0,0,0,.6);
}
.footer-nav a.f-home {
    background-image:
        radial-gradient(circle at 50% 42%, rgba(30,60,110,.15), rgba(5,12,28,.92) 72%),
        url("../images/main/small_1.jpg");
}
.footer-nav a.f-about {
    background-image:
        radial-gradient(circle at 50% 42%, rgba(30,60,110,.15), rgba(5,12,28,.92) 72%),
        url("../images/main/small_2.jpg");
}
.footer-nav a.f-services {
    background-image:
        radial-gradient(circle at 50% 42%, rgba(30,60,110,.15), rgba(5,12,28,.92) 72%),
        url("../images/main/small_3.jpg");
}
.footer-nav a.f-contact {
    background-image:
        radial-gradient(circle at 50% 42%, rgba(30,60,110,.15), rgba(5,12,28,.92) 72%),
        url("../images/main/small_4.jpg");
}

.footer-bottom {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 26px 0;
    color: #9fb0d0;
    font-size: 14px;
}
/* glowing PCB bus with vias separating portholes from the credits */
.footer-bottom::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background:
        radial-gradient(circle at 0 50%, #aee6ff 0 3px, transparent 4px),
        radial-gradient(circle at 100% 50%, #aee6ff 0 3px, transparent 4px),
        linear-gradient(90deg, rgba(120,200,255,.5), rgba(120,200,255,.12) 50%, rgba(120,200,255,.5));
    box-shadow: 0 0 12px rgba(120,200,255,.4);
}
/* brand in scaly chrome metallic */
.footer-bottom .brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: .3px;
    color: transparent;
    background-image:
        radial-gradient(circle, rgba(10,20,45,.5) 1px, transparent 1.4px),
        repeating-linear-gradient(45deg, transparent 0 4px, rgba(120,190,255,.18) 4px 5px),
        linear-gradient(180deg, #ffffff, #cfe0ff 42%, #8fb0e6 56%, #eaf2ff);
    background-size: 4px 4px, auto, auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: .4px rgba(150,200,255,.4);
    filter: drop-shadow(0 0 12px rgba(90,160,255,.5));
}
/* copyright as a tech readout */
.footer-bottom > span:last-child {
    font-family: ui-monospace, 'Cascadia Code', 'Courier New', monospace;
    letter-spacing: .3px;
    color: #8fa2c4;
}
.footer-bottom > span:last-child::before { content: "// "; color: #7fd0ff; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .values, .models, .cards { grid-template-columns: 1fr 1fr; }
    .contact-wrap { grid-template-columns: 1fr; }
    .hero h1 { font-size: 44px; }
    .footer-nav { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .site-nav ul { gap: 0; }
    .site-nav ul li a { padding: 8px 10px; font-size: 14px; }
    .values, .models, .cards { grid-template-columns: 1fr; }
    .hero h1 { font-size: 34px; }
    .hero-sub { font-size: 17px; }
    .values { margin-top: 34px; }
    .footer-bottom { flex-direction: column; gap: 10px; }
}