/* =========================================================
   FONT
   ========================================================= */

@import url(
    'https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap'
);


/* =========================================================
   ROOT
   ========================================================= */

:root {

    --primary: #075ca8;

    --primary-dark: #031d3b;

    --primary-light: #087fd0;

    --neon: #30beff;

    --text: #0f172a;

    --text-soft: #475569;

    --muted: #64748b;

    --border: #e2e8f0;

    --surface: #ffffff;

    --background: #f4f7f9;

    --success: #10b981;

    --warning: #f59e0b;

    --shadow:
        0 10px 30px rgba(0, 48, 100, .08);

    --radius: 16px;

}


/* =========================================================
   RESET
   ========================================================= */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {

    margin: 0;

    padding: 0;

    min-height: 100vh;

    display: flex;

    flex-direction: column;

    font-family:
        "Inter",
        "Segoe UI",
        Arial,
        sans-serif;

    color: var(--text);

    background: var(--background);

    line-height: 1.7;

}

body.modal-open {
    overflow: hidden;
}

button,
a {
    font-family: inherit;
}


/* =========================================================
   HEADER
   ========================================================= */

.product-header {

    position: relative;

    height: 88px;

    overflow: hidden;

    color: white;

    background:
        linear-gradient(
            115deg,
            #031d3b 0%,
            #063b73 38%,
            #075ca8 72%,
            #087fd0 100%
        );

    box-shadow:
        0 8px 30px rgba(0, 48, 100, .20);

}


/* =========================================================
   HEADER GLOW
   ========================================================= */

.header-glow {

    position: absolute;

    width: 520px;

    height: 520px;

    top: -390px;

    right: 4%;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(48,190,255,.28),
            rgba(48,190,255,0) 70%
        );

    pointer-events: none;

}


/* =========================================================
   HEADER GRID
   ========================================================= */

.header-grid {

    position: absolute;

    inset: 0;

    opacity: .07;

    background-image:
        linear-gradient(
            rgba(255,255,255,.5) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,.5) 1px,
            transparent 1px
        );

    background-size: 32px 32px;

    mask-image:
        linear-gradient(
            to right,
            transparent,
            black 35%,
            black 80%,
            transparent
        );

    pointer-events: none;

}


/* =========================================================
   HEADER CONTAINER
   ========================================================= */

.header-container {

    position: relative;

    z-index: 2;

    max-width: 1280px;

    height: 100%;

    margin: auto;

    padding: 0 32px;

    display: flex;

    align-items: center;

    justify-content: space-between;

}


/* =========================================================
   BRAND
   ========================================================= */

.brand {

    display: flex;

    align-items: center;

}


.brand-mark {

    position: relative;

    width: 48px;

    height: 48px;

    margin-right: 13px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 13px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.20),
            rgba(255,255,255,.06)
        );

    border:
        1px solid rgba(255,255,255,.30);

    box-shadow:
        inset 0 1px 1px rgba(255,255,255,.25),
        0 8px 25px rgba(0,0,0,.15);

}


.brand-mark::after {

    content: "";

    position: absolute;

    inset: 4px;

    border-radius: 9px;

    border:
        1px solid rgba(255,255,255,.10);

}


.brand-mark span {

    position: relative;

    z-index: 1;

    font-size: 25px;

    font-weight: 800;

}


.brand-title {

    font-size: 18px;

    font-weight: 800;

    letter-spacing: 2px;

    line-height: 18px;

}


.brand-subtitle {

    margin-top: 4px;

    font-size: 9px;

    letter-spacing: 4px;

    color: rgba(255,255,255,.65);

}


/* =========================================================
   PRODUCT
   ========================================================= */

.product-identity {

    display: flex;

    align-items: center;

    gap: 15px;

    text-align: right;

}


.product-line {

    width: 1px;

    height: 38px;

    background:
        linear-gradient(
            to bottom,
            transparent,
            rgba(120,220,255,.8),
            transparent
        );

}


.product-label {

    font-size: 8px;

    letter-spacing: 3px;

    color: rgba(255,255,255,.55);

}


.product-name {

    font-size: 22px;

    font-weight: 500;

}


/* =========================================================
   MAIN
   ========================================================= */

#product-content {

    flex: 1;

    padding: 55px 20px 70px;

}


.container {

    width: 100%;

    max-width: 920px;

    margin: 0 auto;

}


/* =========================================================
   INTRO
   ========================================================= */

.manual-intro {

    position: relative;

    margin-bottom: 30px;

    padding: 35px;

    overflow: hidden;

    border-radius: 20px;

    background:
        linear-gradient(
            135deg,
            #031d3b 0%,
            #075ca8 65%,
            #087fd0 100%
        );

    color: white;

    box-shadow:
        0 15px 40px rgba(0,48,100,.20);

}


.manual-intro::after {

    content: "";

    position: absolute;

    width: 300px;

    height: 300px;

    right: -100px;

    top: -150px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(48,190,255,.25),
            transparent 70%
        );

}


.intro-badge {

    position: relative;

    z-index: 1;

    display: inline-flex;

    align-items: center;

    gap: 8px;

    padding: 7px 12px;

    margin-bottom: 18px;

    border:
        1px solid rgba(255,255,255,.18);

    border-radius: 100px;

    background:
        rgba(255,255,255,.08);

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1.5px;

}


.status-dot {

    width: 7px;

    height: 7px;

    border-radius: 50%;

    background: var(--neon);

    box-shadow:
        0 0 10px var(--neon);

}


.manual-intro h1 {

    position: relative;

    z-index: 1;

    margin: 0;

    font-size: 30px;

    line-height: 1.25;

    font-weight: 800;

}


.manual-intro h1 span {

    display: block;

    color: var(--neon);

}


.manual-intro > p {

    position: relative;

    z-index: 1;

    max-width: 650px;

    margin: 15px 0 30px;

    color: rgba(255,255,255,.72);

    font-size: 14px;

}


/* =========================================================
   PROGRESS
   ========================================================= */

.progress-area {

    position: relative;

    z-index: 1;

}


.progress-info {

    display: flex;

    justify-content: space-between;

    margin-bottom: 9px;

    font-size: 11px;

    color: rgba(255,255,255,.65);

}


.progress-info strong {

    color: white;

}


.progress-container {

    width: 100%;

    height: 7px;

    overflow: hidden;

    border-radius: 100px;

    background:
        rgba(255,255,255,.12);

}


.progress-bar {

    width: 14.28%;

    height: 100%;

    border-radius: inherit;

    background:
        linear-gradient(
            90deg,
            var(--neon),
            #7dd3fc
        );

    box-shadow:
        0 0 15px rgba(48,190,255,.5);

    transition:
        width .5s cubic-bezier(.4,0,.2,1);

}


/* =========================================================
   STEP CARD
   ========================================================= */

.step-card {

    position: relative;

    margin-bottom: 14px;

    overflow: hidden;

    border:
        1px solid var(--border);

    border-radius: var(--radius);

    background: var(--surface);

    box-shadow:
        0 3px 10px rgba(15,23,42,.04);

    transition:
        border-color .3s ease,
        box-shadow .3s ease,
        transform .3s ease;

}


.step-card:hover {

    border-color: #cbd5e1;

}


.step-card.open {

    border-color: #93c5fd;

    box-shadow:
        0 12px 30px rgba(37,99,235,.10);

}


/* =========================================================
   STEP HEADER
   ========================================================= */

.step-header {

    position: relative;

    width: 100%;

    min-height: 82px;

    padding: 18px 22px;

    display: flex;

    align-items: center;

    gap: 15px;

    border: 0;

    background: white;

    cursor: pointer;

    text-align: left;

    transition:
        background .25s ease;

}


.step-header:hover {

    background:
        #f8fbff;

}


.step-card.open .step-header {

    background:
        linear-gradient(
            90deg,
            #ffffff,
            #f8fbff
        );

}


/* =========================================================
   BLUE ACTIVE LINE
   ========================================================= */

.step-card.open .step-header::before {

    content: "";

    position: absolute;

    left: 0;

    top: 0;

    bottom: 0;

    width: 4px;

    background:
        linear-gradient(
            to bottom,
            var(--primary),
            var(--neon)
        );

}


/* =========================================================
   STEP NUMBER
   ========================================================= */

.step-number {

    flex-shrink: 0;

    width: 44px;

    height: 44px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 12px;

    background:
        #eff6ff;

    color:
        #2563eb;

    font-size: 13px;

    font-weight: 800;

    letter-spacing: .5px;

    transition:
        all .3s ease;

}


.step-card.open .step-number {

    color: white;

    background:
        linear-gradient(
            135deg,
            #075ca8,
            #087fd0
        );

    box-shadow:
        0 5px 15px rgba(7,92,168,.25);

}


/* =========================================================
   HEADING
   ========================================================= */

.step-heading {

    flex: 1;

    min-width: 0;

}


.step-label {

    display: block;

    margin-bottom: 2px;

    color: #94a3b8;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 1.5px;

}


.step-card h2 {

    margin: 0;

    color: var(--text);

    font-size: 17px;

    font-weight: 700;

    line-height: 1.35;

}


/* =========================================================
   STATUS
   ========================================================= */

.step-status {

    flex-shrink: 0;

    padding: 5px 9px;

    border-radius: 100px;

    background:
        #f1f5f9;

    color:
        #94a3b8;

    font-size: 8px;

    font-weight: 800;

    letter-spacing: .8px;

    transition:
        all .3s ease;

}


.step-card.open .step-status {

    color:
        #047857;

    background:
        #ecfdf5;

}


/* =========================================================
   ARROW
   ========================================================= */

.step-arrow {

    flex-shrink: 0;

    width: 34px;

    height: 34px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 50%;

    background:
        #f8fafc;

}


.step-arrow span {

    width: 8px;

    height: 8px;

    border-right:
        2px solid #64748b;

    border-bottom:
        2px solid #64748b;

    transform:
        rotate(45deg)
        translateY(-2px);

    transition:
        transform .3s ease,
        border-color .3s ease;

}


.step-card.open .step-arrow {

    background:
        #eff6ff;

}


.step-card.open .step-arrow span {

    border-color:
        #2563eb;

    transform:
        rotate(225deg)
        translateY(-2px);

}


/* =========================================================
   ACCORDION BODY
   ========================================================= */

.step-body {

    display: grid;

    grid-template-rows: 0fr;

    opacity: 0;

    transition:
        grid-template-rows .45s cubic-bezier(.4,0,.2,1),
        opacity .25s ease;

}


.step-card.open .step-body {

    grid-template-rows: 1fr;

    opacity: 1;

}


.step-body-inner {

    min-height: 0;

    overflow: hidden;

    padding:
        0 30px;

    transition:
        padding .4s ease;

}


.step-card.open .step-body-inner {

    padding:
        5px 30px 32px;

}


/* =========================================================
   CONTENT
   ========================================================= */

.step-body p {

    margin:
        12px 0 16px;

    color:
        var(--text-soft);

    font-size: 14px;

}


.step-body ul,
.step-body ol {

    margin:
        12px 0 22px;

    padding-left: 22px;

    color:
        var(--text-soft);

}


.step-body li {

    margin-bottom: 10px;

    padding-left: 3px;

    font-size: 14px;

}


.step-body li::marker {

    color:
        #2563eb;

    font-weight: 700;

}


.step-body h3 {

    display: flex;

    align-items: center;

    gap: 8px;

    margin:
        28px 0 12px;

    padding-bottom: 9px;

    border-bottom:
        1px solid #eef2f7;

    color:
        var(--text);

    font-size: 16px;

}


.step-body h3 span {

    padding: 3px 7px;

    border-radius: 5px;

    background:
        #eff6ff;

    color:
        #2563eb;

    font-size: 8px;

    letter-spacing: .7px;

}


.step-body code {

    padding:
        3px 7px;

    border-radius: 5px;

    background:
        #f1f5f9;

    color:
        #0f172a;

    font-family:
        "Courier New",
        monospace;

    font-size: 12px;

}


/* =========================================================
   DOWNLOAD LINK
   ========================================================= */

.download-link {

    display: inline-flex;

    align-items: center;

    gap: 9px;

    margin:
        3px 0 15px;

    padding:
        10px 15px;

    border-radius: 8px;

    background:
        #eff6ff;

    color:
        #2563eb;

    font-size: 13px;

    font-weight: 700;

    text-decoration: none;

    transition:
        all .25s ease;

}


.download-link:hover {

    background:
        #2563eb;

    color:
        white;

    transform:
        translateY(-1px);

}


.download-link span {

    font-size: 16px;

}


/* =========================================================
   NOTE
   ========================================================= */

.note {

    display: flex;

    gap: 13px;

    margin:
        22px 0;

    padding:
        16px;

    border:
        1px solid #bae6fd;

    border-left:
        4px solid var(--neon);

    border-radius:
        8px;

    background:
        #f0f9ff;

    color:
        #075985;

}


.note.warning {

    border-color:
        #fde68a;

    border-left-color:
        #f59e0b;

    background:
        #fffbeb;

    color:
        #92400e;

}


.note-icon {

    flex-shrink: 0;

    width: 25px;

    height: 25px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 50%;

    background:
        rgba(48,190,255,.15);

    font-weight: 800;

}


.note.warning .note-icon {

    background:
        rgba(245,158,11,.15);

}


.note strong {

    display: block;

    margin-bottom: 2px;

    font-size: 12px;

    letter-spacing: .5px;

}


.note p {

    margin: 0;

    color: inherit;

    font-size: 12px;

}


/* =========================================================
   CODE BLOCK
   ========================================================= */

.code-wrapper {

    margin:
        20px 0 25px;

    overflow: hidden;

    border:
        1px solid #1e293b;

    border-radius: 10px;

    background:
        #0f172a;

    box-shadow:
        0 8px 20px rgba(15,23,42,.12);

}


.code-header {

    padding:
        9px 15px;

    border-bottom:
        1px solid rgba(255,255,255,.08);

    color:
        #64748b;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 1.5px;

}


.code-block {

    margin: 0;

    padding:
        18px;

    overflow-x: auto;

    color:
        #7dd3fc;

    font-family:
        "Courier New",
        monospace;

    font-size: 13px;

    line-height: 1.6;

    white-space: pre;

}


/* =========================================================
   IMAGE
   ========================================================= */

.real-image {

    display: block;

    width: auto;

    max-width: 100%;

    height: auto;

    margin:
        28px auto 12px;

    border:
        1px solid #dbe4ee;

    border-radius: 10px;

    cursor: zoom-in;

    box-shadow:
        0 5px 18px rgba(15,23,42,.08);

    transition:
        transform .25s ease,
        box-shadow .25s ease;

}


.real-image:hover {

    transform:
        translateY(-2px);

    box-shadow:
        0 12px 28px rgba(37,99,235,.15);

}


.image-caption {

    margin-bottom:
        28px;

    color:
        #94a3b8;

    font-size: 11px;

    text-align: center;

    font-style: italic;

}


.image-caption span {

    color:
        #cbd5e1;

}


/* =========================================================
   VALIDATION LIST
   ========================================================= */

.validation-list {

    list-style: none;

    padding: 0 !important;

}


.validation-list li {

    display: flex;

    align-items: flex-start;

    gap: 10px;

    margin-bottom: 12px;

    padding:
        12px 14px;

    border:
        1px solid #d1fae5;

    border-radius: 8px;

    background:
        #f0fdf4;

    color:
        #166534;

}


.validation-list li span {

    flex-shrink: 0;

    width: 21px;

    height: 21px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 50%;

    background:
        #10b981;

    color:
        white;

    font-size: 11px;

    font-weight: 800;

}


/* =========================================================
   MODAL
   ========================================================= */

.modal {

    display: none;

    position: fixed;

    z-index: 9999;

    inset: 0;

    align-items: center;

    justify-content: center;

    flex-direction: column;

    padding: 40px 20px;

    background:
        rgba(3,29,59,.92);

    backdrop-filter:
        blur(8px);

}


.modal-content {

    max-width: 92%;

    max-height: 78vh;

    border-radius: 10px;

    object-fit: contain;

    box-shadow:
        0 20px 60px rgba(0,0,0,.5);

    animation:
        zoomIn .3s ease;

}


#modalCaption {

    margin-top: 15px;

    color:
        #30beff;

    font-size: 13px;

    font-weight: 600;

    text-align: center;

}


.close {

    position: fixed;

    top: 18px;

    right: 25px;

    width: 45px;

    height: 45px;

    border: none;

    border-radius: 50%;

    background:
        rgba(255,255,255,.10);

    color:
        white;

    font-size: 30px;

    line-height: 1;

    cursor: pointer;

    transition:
        background .2s ease,
        transform .2s ease;

}


.close:hover {

    background:
        rgba(255,255,255,.18);

    transform:
        rotate(90deg);

}


@keyframes zoomIn {

    from {

        opacity: 0;

        transform:
            scale(.92);

    }

    to {

        opacity: 1;

        transform:
            scale(1);

    }

}


/* =========================================================
   FOOTER
   ========================================================= */

.product-footer {

    position: relative;

    min-height: 76px;

    overflow: hidden;

    background:
        linear-gradient(
            110deg,
            #031a32,
            #052d54 55%,
            #063d70
        );

    color:
        #9eb3c9;

}


.footer-decoration {

    position: absolute;

    top: 0;

    left: 0;

    right: 0;

    height: 1px;

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(47,190,255,.75),
            transparent
        );

}


.footer-container {

    position: relative;

    z-index: 2;

    max-width: 1280px;

    min-height: 76px;

    margin: auto;

    padding:
        0 32px;

    display: flex;

    align-items: center;

    justify-content: space-between;

}


.footer-left {

    display: flex;

    align-items: center;

    gap: 11px;

}


.footer-brand-mark {

    width: 32px;

    height: 32px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 8px;

    color: white;

    background:
        rgba(255,255,255,.08);

    border:
        1px solid rgba(255,255,255,.13);

    font-weight: 700;

}


.footer-company {

    color:
        #d5e4f2;

    font-size: 11px;

    font-weight: 600;

    letter-spacing: 1.4px;

}


.footer-tagline {

    margin-top: 3px;

    color:
        #66839f;

    font-size: 9px;

    letter-spacing: 1.5px;

}


.footer-right {

    display: flex;

    align-items: center;

    gap: 10px;

    color:
        #708da8;

    font-size: 11px;

}


.footer-separator {

    color:
        #2c638e;

}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 700px) {

    .product-header {
        height: 76px;
    }

    .header-container {
        padding:
            0 18px;
    }

    .brand-mark {
        width: 40px;
        height: 40px;
    }

    .brand-title {
        font-size: 15px;
    }

    .brand-subtitle {
        font-size: 7px;
        letter-spacing: 3px;
    }

    .product-label {
        display: none;
    }

    .product-name {
        font-size: 17px;
    }

    #product-content {
        padding:
            30px 15px 50px;
    }

    .manual-intro {
        padding:
            25px 22px;
        border-radius: 16px;
    }

    .manual-intro h1 {
        font-size: 24px;
    }

    .manual-intro > p {
        font-size: 13px;
    }

    .step-header {
        min-height: 72px;
        padding:
            15px 17px;
        gap: 11px;
    }

    .step-number {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        font-size: 11px;
    }

    .step-card h2 {
        font-size: 15px;
    }

    .step-label {
        font-size: 8px;
    }

    .step-status {
        display: none;
    }

    .step-arrow {
        width: 30px;
        height: 30px;
    }

    .step-body-inner,
    .step-card.open .step-body-inner {
        padding-left: 20px;
        padding-right: 20px;
    }

    .step-body p,
    .step-body li {
        font-size: 13px;
    }

    .footer-container {
        padding:
            15px 18px;

        flex-direction: column;

        align-items: flex-start;

        gap: 10px;
    }

}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 450px) {

    .brand-subtitle {
        display: none;
    }

    .product-identity {
        gap: 9px;
    }

    .product-name {
        font-size: 15px;
    }

    .manual-intro {
        padding:
            22px 18px;
    }

    .manual-intro h1 {
        font-size: 21px;
    }

    .intro-badge {
        font-size: 8px;
    }

    .step-header {
        padding:
            14px;
    }

    .step-number {
        width: 34px;
        height: 34px;
    }

    .step-card h2 {
        font-size: 14px;
    }

    .step-body-inner,
    .step-card.open .step-body-inner {
        padding-left: 16px;
        padding-right: 16px;
    }

    .step-body p,
    .step-body li {
        font-size: 12px;
    }

    .code-block {
        font-size: 11px;
        padding: 14px;
    }

    .real-image {
        margin-top: 20px;
    }

    .footer-right {
        flex-wrap: wrap;
        font-size: 9px;
    }

}