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

:root {
    --bg: #060608;
    --bg2: #0c0c11;
    --bg3: #121218;
    --card: rgba(255, 255, 255, .025);
    --card-h: rgba(255, 255, 255, .05);
    --glass: rgba(255, 255, 255, .03);
    --t1: #e8e8ec;
    --t2: #72727e;
    --t3: #42424e;
    --accent: #3b82f6;
    --accent-g: rgba(59, 130, 246, .15);
    --accent-l: #60a5fa;
    --teal: #2dd4bf;
    --pink: #f472b6;
    --amber: #fbbf24;
    --red: #ef4444;
    --green: #22c55e;
    --border: rgba(255, 255, 255, .06);
    --border-h: rgba(255, 255, 255, .12);
    --r: 14px;
    --rs: 8px;
    --ease: cubic-bezier(.22, 1, .36, 1);
    --bounce: cubic-bezier(.34, 1.56, .64, 1)
}

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

html {
    scroll-behavior: smooth
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--t2);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden
}

::selection {
    background: var(--accent);
    color: #fff
}

.wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(6, 6, 8, .8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    height: 54px;
    display: flex;
    align-items: center
}

.nav-c {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--t1);
    text-decoration: none;
    letter-spacing: -.3px
}

.logo span {
    color: var(--accent)
}

.back-link {
    font-size: .75rem;
    color: var(--t3);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: .3rem;
    transition: .3s
}

.back-link:hover {
    color: var(--t1)
}

main {
    padding-top: 74px;
    padding-bottom: 4rem
}

/* PROGRESS */
.progress-bar {
    position: relative;
    margin-bottom: 2.5rem;
    padding: 0 .5rem
}

.pb-fill {
    position: absolute;
    top: 15px;
    left: 0;
    height: 2px;
    background: var(--accent);
    transition: width .8s var(--ease);
    width: 0%;
    z-index: 1
}

.pb-steps {
    display: flex;
    justify-content: space-between;
    position: relative
}

.pb-step {
    text-align: center;
    z-index: 2
}

.pb-step span {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg2);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 700;
    color: var(--t3);
    margin: 0 auto .35rem;
    transition: .4s var(--ease);
    font-family: 'JetBrains Mono'
}

.pb-step p {
    font-size: .6rem;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500
}

.pb-step.active span {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-g);
    box-shadow: 0 0 12px var(--accent-g)
}

.pb-step.done span {
    border-color: var(--green);
    color: #fff;
    background: var(--green)
}

.pb-step.active p,
.pb-step.done p {
    color: var(--t1)
}

/* PHASE */
.phase {
    display: none;
    animation: phaseIn .6s var(--ease)
}

.phase.active {
    display: block
}

@keyframes phaseIn {
    from {
        opacity: 0;
        transform: translateY(20px)
    }

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

.phase-head {
    margin-bottom: 2rem
}

.s-label {
    font-size: .6rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    color: var(--accent-l);
    margin-bottom: .4rem;
    display: block
}

.s-label i {
    margin-right: .3rem
}

.phase-head h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--t1);
    letter-spacing: -1.5px;
    margin-bottom: .35rem
}

.s-desc {
    font-size: .8rem;
    color: var(--t3);
    max-width: 420px;
    line-height: 1.6
}

/* CFG SECTION */
.cfg-section {
    margin-bottom: 1.75rem;
    animation: fadeUp .5s var(--ease) both
}

.cfg-section:nth-child(2) {
    animation-delay: .05s
}

.cfg-section:nth-child(3) {
    animation-delay: .1s
}

.cfg-section:nth-child(4) {
    animation-delay: .15s
}

.sub-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.25rem;
    animation: subIn .4s var(--ease)
}

@keyframes subIn {
    from {
        opacity: 0;
        max-height: 0;
        padding: 0 1.25rem;
        margin: 0
    }

    to {
        opacity: 1;
        max-height: 600px
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(15px)
    }

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

.cfg-title {
    font-size: .85rem;
    font-weight: 700;
    color: var(--t1);
    margin-bottom: .75rem;
    display: flex;
    align-items: center;
    gap: .4rem;
    letter-spacing: -.2px
}

.cfg-title i {
    color: var(--accent-l);
    font-size: .75rem
}

/* OS CARDS */
.os-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .6rem
}

.os-card {
    cursor: pointer
}

.os-card input {
    display: none
}

.os-inner {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.15rem;
    text-align: center;
    transition: .35s var(--ease);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .35rem
}

.os-inner i {
    font-size: 1.6rem;
    color: var(--t3);
    transition: .3s
}

.os-inner strong {
    font-size: .82rem;
    color: var(--t1);
    font-weight: 600
}

.os-price {
    font-size: .65rem;
    color: var(--t3);
    font-family: 'JetBrains Mono'
}

.os-card input:checked+.os-inner {
    border-color: var(--accent);
    background: var(--accent-g);
    box-shadow: 0 0 20px var(--accent-g)
}

.os-card input:checked+.os-inner i {
    color: var(--accent-l)
}

.os-card:hover .os-inner {
    border-color: var(--border-h);
    transform: translateY(-2px)
}

/* TOGGLE CARDS */
.toggle-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .55rem
}

.toggle-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr)
}

.toggle-card {
    cursor: pointer
}

.toggle-card input {
    display: none
}

.toggle-inner {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--rs);
    padding: .75rem;
    display: flex;
    align-items: center;
    gap: .55rem;
    transition: .35s var(--ease)
}

.toggle-card:hover .toggle-inner {
    border-color: var(--border-h);
    transform: translateY(-1px)
}

.toggle-card input:checked+.toggle-inner {
    border-color: var(--accent);
    background: var(--accent-g)
}

.tg-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    flex-shrink: 0;
    transition: .3s var(--bounce)
}

.toggle-card input:checked+.toggle-inner .tg-icon {
    transform: scale(1.1)
}

.ic-b {
    background: rgba(59, 130, 246, .1);
    color: var(--accent-l)
}

.ic-pk {
    background: rgba(244, 114, 182, .1);
    color: var(--pink)
}

.ic-a {
    background: rgba(251, 191, 36, .1);
    color: var(--amber)
}

.ic-r {
    background: rgba(239, 68, 68, .1);
    color: var(--red)
}

.ic-t {
    background: rgba(45, 212, 191, .1);
    color: var(--teal)
}

.ic-g {
    background: rgba(34, 197, 94, .1);
    color: var(--green)
}

.toggle-inner strong {
    font-size: .75rem;
    color: var(--t1);
    display: block
}

.toggle-inner p {
    font-size: .6rem;
    color: var(--t3);
    margin-top: .1rem
}

.tg-price {
    margin-left: auto;
    font-size: .62rem;
    color: var(--accent-l);
    font-family: 'JetBrains Mono';
    font-weight: 600;
    white-space: nowrap
}

/* CHIPS */
.chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem
}

.chip {
    cursor: pointer
}

.chip input {
    display: none
}

.chip span {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .35rem .65rem;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: .68rem;
    color: var(--t2);
    transition: .3s var(--ease);
    font-weight: 500
}

.chip span em {
    font-style: normal;
    color: var(--t3);
    font-family: 'JetBrains Mono';
    font-size: .58rem
}

.chip span i {
    font-size: .55rem;
    color: var(--t3)
}

.chip:hover span {
    border-color: var(--border-h);
    color: var(--t1)
}

.chip input:checked+span {
    background: var(--accent-g);
    border-color: var(--accent);
    color: var(--accent-l)
}

.chip input:checked+span i,
.chip input:checked+span em {
    color: var(--accent-l)
}

/* DISGUISE */
.disguise-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem
}

.disguise-opt {
    cursor: pointer
}

.disguise-opt input {
    display: none
}

.disguise-opt span {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .42rem .7rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--rs);
    font-size: .72rem;
    color: var(--t2);
    transition: .3s var(--ease);
    font-weight: 500
}

.disguise-opt span em {
    font-style: normal;
    color: var(--t3);
    font-size: .58rem;
    font-family: 'JetBrains Mono'
}

.disguise-opt span i {
    font-size: .65rem
}

.disguise-opt:hover span {
    border-color: var(--border-h)
}

.disguise-opt input:checked+span {
    background: var(--accent-g);
    border-color: var(--accent);
    color: var(--accent-l)
}

/* STICKY PRICE */
.sticky-price {
    position: sticky;
    bottom: 1rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: .75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(20px);
    box-shadow: 0 -8px 30px rgba(0, 0, 0, .3);
    z-index: 50;
    margin-top: 1.5rem
}

.sp-label {
    font-size: .58rem;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block
}

.sp-val {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--t1);
    font-family: 'JetBrains Mono';
    letter-spacing: -.5px;
    transition: .3s
}

.btn-next {
    padding: .55rem 1.2rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--rs);
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Inter';
    transition: .3s var(--ease);
    display: flex;
    align-items: center;
    gap: .3rem
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--accent-g)
}

/* PRICE CALC */
.price-calc-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 2rem;
    margin-top: 1.5rem;
    min-height: 300px;
    position: relative
}

.calc-spinner {
    text-align: center;
    padding: 3rem 0
}

.calc-ring {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.calc-spinner p {
    font-size: .82rem;
    color: var(--t3)
}

.dots::after {
    content: '';
    animation: dots 1.5s infinite
}

@keyframes dots {
    0% {
        content: ''
    }

    33% {
        content: '.'
    }

    66% {
        content: '..'
    }

    100% {
        content: '...'
    }
}

/* RECEIPT */
.receipt {
    margin-bottom: 1rem
}

.receipt-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .45rem 0;
    border-bottom: 1px solid var(--border);
    font-size: .75rem;
    opacity: 0;
    transform: translateX(-10px);
    animation: itemIn .35s var(--ease) forwards
}

.receipt-item:last-child {
    border: none
}

.receipt-item .ri-name {
    color: var(--t1);
    display: flex;
    align-items: center;
    gap: .3rem
}

.receipt-item .ri-name i {
    color: var(--accent-l);
    font-size: .6rem;
    width: 14px
}

.receipt-item .ri-price {
    color: var(--green);
    font-family: 'JetBrains Mono';
    font-size: .72rem;
    font-weight: 600
}

.receipt-item .ri-price.free {
    color: var(--t3)
}

@keyframes itemIn {
    to {
        opacity: 1;
        transform: translateX(0)
    }
}

.total-row,
.final-row {
    display: flex;
    justify-content: space-between;
    padding: .65rem 0;
    border-top: 2px solid var(--border-h);
    margin-top: .3rem
}

.total-row span:first-child,
.final-row span:first-child {
    font-size: .85rem;
    font-weight: 700;
    color: var(--t1)
}

.total-val {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--t1);
    font-family: 'JetBrains Mono';
    letter-spacing: -.5px
}

.discount-row {
    display: flex;
    justify-content: space-between;
    padding: .4rem .6rem;
    background: rgba(34, 197, 94, .06);
    border: 1px solid rgba(34, 197, 94, .12);
    border-radius: var(--rs);
    margin: .5rem 0;
    animation: discountPop .5s var(--bounce)
}

.discount-row span:first-child {
    color: var(--green);
    font-size: .72rem;
    font-weight: 600
}

.discount-val {
    color: var(--green);
    font-family: 'JetBrains Mono';
    font-size: .75rem;
    font-weight: 700
}

.final-val {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--green);
    font-family: 'JetBrains Mono';
    letter-spacing: -.5px
}

@keyframes discountPop {
    from {
        opacity: 0;
        transform: scale(.9)
    }

    to {
        opacity: 1;
        transform: scale(1)
    }
}

.calc-btns {
    display: flex;
    gap: .5rem;
    margin-top: 1.25rem
}

.btn-accept {
    flex: 1;
    padding: .6rem;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: var(--rs);
    font-size: .82rem;
    font-weight: 700;
    cursor: pointer;
    font-family: 'Inter';
    transition: .3s var(--ease);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .3rem
}

.btn-accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(34, 197, 94, .25)
}

.btn-reject {
    flex: 1;
    padding: .6rem;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--t2);
    border-radius: var(--rs);
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Inter';
    transition: .3s
}

.btn-reject:hover {
    border-color: var(--red);
    color: var(--red)
}

.btn-back {
    flex: 1;
    padding: .6rem;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--t2);
    border-radius: var(--rs);
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Inter';
    transition: .3s
}

.btn-back:hover {
    color: var(--t1);
    border-color: var(--border-h)
}

/* PHASE 3 */
.checkout-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.75rem;
    margin-top: 1.5rem
}

.co-summary {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--rs);
    padding: .75rem;
    margin-bottom: 1.25rem;
    font-size: .72rem;
    color: var(--t2);
    font-family: 'JetBrains Mono';
    line-height: 1.8;
    display: flex;
    justify-content: space-between;
    align-items: center
}

.co-summary .co-total {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--green)
}

.fg {
    margin-bottom: .85rem
}

.fg label {
    display: block;
    font-size: .68rem;
    color: var(--t2);
    margin-bottom: .3rem;
    font-weight: 500;
    letter-spacing: .2px
}

.fg input,
.fg textarea,
.fg select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--rs);
    padding: .5rem .65rem;
    font-size: .78rem;
    color: var(--t1);
    font-family: 'Inter';
    outline: none;
    transition: .3s;
    resize: vertical
}

.fg input:focus,
.fg textarea:focus,
.fg select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-g)
}

.fg .hint {
    font-size: .56rem;
    color: var(--t3);
    margin-top: .2rem;
    display: block
}

.btn-submit {
    width: 100%;
    padding: .65rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--rs);
    font-size: .82rem;
    font-weight: 700;
    cursor: pointer;
    font-family: 'Inter';
    transition: .3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .3rem
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--accent-g)
}

.co-success {
    text-align: center;
    padding: 2rem 0
}

.co-success i {
    font-size: 2.5rem;
    color: var(--green);
    margin-bottom: .75rem;
    display: block
}

.co-success h3 {
    font-size: 1.1rem;
    color: var(--t1);
    font-weight: 700;
    margin-bottom: .35rem
}

.co-success p {
    font-size: .78rem;
    color: var(--t3);
    margin-bottom: 1.25rem
}

.btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--t2);
    border-radius: var(--rs);
    font-size: .75rem;
    text-decoration: none;
    transition: .3s
}

.btn-back-home:hover {
    color: var(--t1);
    border-color: var(--border-h)
}

@media(max-width:640px) {

    .os-grid,
    .toggle-grid,
    .toggle-grid.cols-2 {
        grid-template-columns: 1fr
    }

    .phase-head h1 {
        font-size: 1.4rem
    }

    .sticky-price {
        flex-direction: column;
        gap: .5rem;
        text-align: center
    }

    .calc-btns {
        flex-direction: column
    }

    .wrap {
        padding: 0 1rem
    }
}