:root {
    --bg: #0f1115;
    /* ana arka plan (asfalt koyu) */
    --surface: #161a22;
    /* kart arka planı */
    --muted: #9098a6;
    /* ikincil metin */
    --text: #e9edf3;
    /* ana metin */
    --accent: #ff7a00;
    /* vurgu (turuncu) */
    --accent-2: #4cc9f0;
    /* ikincil vurgu (mavi) */
    --ok: #2bd576;
    --danger: #ff4d4f;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .25);
    --shadow-soft: 0 6px 18px rgba(0, 0, 0, .18);
    --max: 1200px;
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: linear-gradient(180deg, #0e1117 0%, #0f1115 20%, #0f1115 100%);
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

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

img {
    max-width: 100%;
    display: block;
    border-radius: 10px
}

.wrap {
    max-width: var(--max);
    margin: auto;
    padding: 0 20px
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 80;
    backdrop-filter: saturate(180%) blur(10px);
    background: rgba(15, 17, 21, .6);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px
}

.brand {
    font-weight: 800;
    letter-spacing: .2px;
    font-size: 1.25rem
}

    .brand .dot {
        color: var(--accent)
    }

.logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    display: grid;
    place-items: center;
    color: #0b1320;
    font-weight: 800;
    box-shadow: 0 8px 24px #3ecf8e33;
}

.brand span {
    font-weight: 700;
    letter-spacing: 0.2px;
    color: var(--text);
}

.menu {
    display: flex;
    gap: 18px
}

    .menu a {
        opacity: .9;
        padding: 8px 10px;
        border-radius: 10px
    }

        .menu a:hover {
            background: rgba(255, 255, 255, .06)
        }

.cta {
    display: flex;
    gap: 10px
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .04)
}

    .btn.primary {
        background: linear-gradient(135deg, var(--accent), #ff9a3d);
        border-color: transparent;
        color: #111;
        font-weight: 700
    }

    .btn.ghost:hover {
        background: rgba(255, 255, 255, .08)
    }

.hamb {
    display: none
}

/* Hero */
.hero {
    position: relative;
    padding: 72px 0 36px;
    overflow: hidden
}

    .hero .grid {
        display: grid;
        gap: 28px;
        grid-template-columns: 1.2fr .8fr;
        align-items: center
    }

.badge {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(76, 201, 240, .12);
    color: #bfefff;
    border: 1px solid rgba(76, 201, 240, .35)
}

h1 {
    font-size: 40px;
    line-height: 1.1;
    margin: 14px 0 10px
}

.lead {
    color: var(--muted);
    font-size: 18px;
    max-width: 58ch
}

.hero-cta {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap
}

.hero-card {
    background: radial-gradient(1000px 500px at 70% -10%, rgba(255, 122, 0, .15), transparent 60%), linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02));
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-soft)
}

.hero-illus {
    position: relative;
}

.glass {
    position: absolute;
    inset: 0;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
    border: 1px solid rgba(255, 255, 255, .08)
}

.statbar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 18px
}

.stat {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .06);
    padding: 12px;
    border-radius: 12px;
    text-align: center
}

    .stat strong {
        display: block;
        font-size: 18px
    }

.hero-media {
    aspect-ratio: 9/10;
    border-radius: 18px;
    overflow: hidden;
    background: #0b0d11;
    border: 1px solid rgba(255, 255, 255, .08);
    position: relative;
    max-height: 500px;
}

.mesh {
    position: absolute;
    inset: -30%;
    background: radial-gradient(circle at 30% 10%, rgba(255, 122, 0, .15), transparent 35%), radial-gradient(circle at 70% 80%, rgba(76, 201, 240, .14), transparent 35%), radial-gradient(circle at 10% 90%, rgba(43, 213, 118, .18), transparent 30%)
}

.mock {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #fff;
    opacity: .9
}

/* Sections */
section {
    padding: 56px 0
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px
}

    .section-head h3 {
        margin: 0;
        font-size: 28px
    }

    .section-head p {
        margin: 6px 0 0;
        color: var(--muted)
    }

/* Product cards */
.grid {
    display: grid;
    gap: 16px
}

    .grid.cards {
        grid-template-columns: repeat(12, 1fr)
    }

.card {
    grid-column: span 6;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft)
}

    .card .media {
        position: relative
    }

.chip {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 17, 21, .7);
    backdrop-filter: blur(6px);
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .18);
    font-size: 12px
}

.card .body {
    padding: 14px
}

.card h4 {
    margin: 0 0 6px
}

.meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px
}

.specs {
    margin-top: 10px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px
}

.spec {
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 12px;
    background: rgba(255, 255, 255, .03)
}

    .spec b {
        display: block;
        font-size: 13px;
        color: var(--muted)
    }

.actions {
    margin-top: 12px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap
}

/* Feature compare */
.compare {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 16px
}

.panel {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 16px;
    padding: 16px
}

.list {
    margin: 0;
    padding-left: 18px;
    color: var(--text)
}

    .list li {
        margin: 8px 0;
        color: var(--muted)
    }

        .list li i {
            margin-right: 8px;
            color: var(--ok)
        }

/* CTA band */
.cta-band {
    background: linear-gradient(135deg, #1a1f2b, #12151c);
    border-top: 1px solid rgba(255, 255, 255, .06);
    border-bottom: 1px solid rgba(255, 255, 255, .06)
}

.cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center
}

/* Footer */
footer {
    padding: 36px 0;
    color: var(--muted)
}

.foot {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 18px
}

    .foot a {
        color: var(--muted)
    }

        .foot a:hover {
            color: var(--text)
        }

/* Responsive */
@media (max-width: 1024px) {
    .hero .grid {
        grid-template-columns: 1fr
    }

    .compare {
        grid-template-columns: 1fr
    }

    .card {
        grid-column: span 12
    }

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

@media (max-width: 780px) {
    .menu {
        display: none
    }

    .hamb {
        display: flex;
        align-items: center;
        gap: 8px
    }

    .cta {
        display: none
    }

    .foot {
        grid-template-columns: 1fr
    }

    .cta-inner {
        grid-template-columns: 1fr
    }

    h1 {
        font-size: 34px
    }
}

/* Simple toast */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 17, 21, .9);
    border: 1px solid rgba(255, 255, 255, .12);
    color: var(--text);
    padding: 12px 14px;
    border-radius: 12px;
    opacity: 0;
    transform: translateY(10px);
    transition: .25s;
    z-index: 90
}

    .toast.show {
        opacity: 1;
        transform: translateY(0)
    }

/* Back to top */
#toTop {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    backdrop-filter: blur(6px);
    color: #fff;
    opacity: 0;
    pointer-events: none;
    transition: .25s;
    z-index: 90
}

    #toTop.show {
        opacity: 1;
        pointer-events: auto
    }

.inp {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: black;
    color: greenyellow;
    outline: none
}

    .inp:focus {
        border-color: var(--accent)
    }

label {
    display: block;
    margin: 0 0 6px;
    color: var(--muted);
    font-size: 13px
}