/* ============================================================
   QuantumDMA — one quantum ahead
   ============================================================ */

:root {
    /* Palette — quantum green on near-black */
    --bg: #04080a;
    --bg-soft: #071012;
    --panel: rgba(10, 20, 18, 0.65);
    --panel-strong: rgba(10, 22, 18, 0.9);
    --border: rgba(0, 255, 136, 0.12);
    --border-strong: rgba(0, 255, 136, 0.28);

    --green: #00ff88;
    --green-soft: #4dffb0;
    --green-deep: #00c96a;
    --green-glow: rgba(0, 255, 136, 0.35);
    --green-glow-soft: rgba(0, 255, 136, 0.14);

    --text: #e6fff2;
    --text-dim: #9fb8ad;
    --text-mute: #5f7770;

    --gold: #ffd166;

    --font-sans: 'Space Grotesk', system-ui, -apple-system, Segoe UI, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

    --radius: 14px;
    --radius-lg: 20px;

    --max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

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

::selection {
    background: var(--green);
    color: #001108;
}

/* ============================================================
   Background layers
   ============================================================ */

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -3;
    background:
        linear-gradient(rgba(0, 255, 136, 0.045) 1px, transparent 1px) 0 0 / 60px 60px,
        linear-gradient(90deg, rgba(0, 255, 136, 0.045) 1px, transparent 1px) 0 0 / 60px 60px;
    mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 75%);
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at 80% -10%, rgba(0, 255, 136, 0.18), transparent 45%),
        radial-gradient(circle at 15% 20%, rgba(0, 200, 120, 0.10), transparent 40%),
        radial-gradient(circle at 50% 110%, rgba(0, 255, 136, 0.14), transparent 55%);
    pointer-events: none;
}

.scanline {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: repeating-linear-gradient(
        0deg,
        transparent 0,
        transparent 3px,
        rgba(0, 255, 136, 0.014) 3px,
        rgba(0, 255, 136, 0.014) 4px
    );
    pointer-events: none;
    mix-blend-mode: screen;
}

/* ============================================================
   Nav
   ============================================================ */

.nav {
    max-width: var(--max);
    margin: 0 auto;
    padding: 26px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav__brand {
    display: flex;
    align-items: center;
}

.nav__logo {
    height: 72px;
    width: auto;
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 16px rgba(0, 255, 136, 0.35));
}

.nav__links {
    display: flex;
    gap: 32px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.04em;
    color: var(--text-dim);
}

.nav__links a {
    position: relative;
    padding: 4px 0;
}

.nav__links a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -4px;
    height: 1px;
    background: var(--green);
    transition: right 0.25s ease;
}

.nav__links a:hover {
    color: var(--green);
}

.nav__links a:hover::after {
    right: 0;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.05em;
    font-weight: 500;
    text-transform: uppercase;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.2s ease;
    white-space: nowrap;
}

.btn .arrow {
    transition: transform 0.25s ease;
}

.btn:hover .arrow {
    transform: translateX(4px);
}

.btn--primary {
    background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
    color: #001108;
    box-shadow:
        0 0 0 1px rgba(0, 255, 136, 0.5),
        0 8px 30px -8px var(--green-glow),
        inset 0 0 20px rgba(255, 255, 255, 0.15);
}

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow:
        0 0 0 1px rgba(0, 255, 136, 0.7),
        0 12px 40px -6px var(--green-glow),
        inset 0 0 20px rgba(255, 255, 255, 0.2);
}

.btn--outline {
    border-color: var(--border-strong);
    color: var(--text);
    background: transparent;
}

.btn--outline:hover {
    border-color: var(--green);
    color: var(--green);
    background: rgba(0, 255, 136, 0.05);
}

.btn--ghost {
    border-color: var(--border);
    color: var(--text-dim);
    background: rgba(0, 20, 12, 0.35);
}

.btn--ghost:hover {
    color: var(--green);
    border-color: var(--border-strong);
}

.btn--full {
    width: 100%;
    justify-content: center;
    padding: 14px 22px;
}

.btn--lg {
    padding: 16px 30px;
    font-size: 14px;
}

/* ============================================================
   Reusable
   ============================================================ */

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
}

.dot--live {
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.55); }
    70% { box-shadow: 0 0 0 8px rgba(0, 255, 136, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); }
}

.grad {
    background: linear-gradient(120deg, var(--green) 0%, var(--green-soft) 60%, #b5ffd5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid var(--border);
    color: var(--green-soft);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--green);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.85;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(0, 255, 136, 0.06);
    border: 1px solid var(--border);
    color: var(--green-soft);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
}

.chip--gold {
    color: var(--gold);
    border-color: rgba(255, 209, 102, 0.3);
    background: rgba(255, 209, 102, 0.06);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--border-strong);
}

.pill--live {
    color: var(--green);
    background: rgba(0, 255, 136, 0.06);
}

.pill--gold {
    color: var(--gold);
    border-color: rgba(255, 209, 102, 0.4);
    background: rgba(255, 209, 102, 0.06);
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
    max-width: var(--max);
    margin: 0 auto;
    padding: 90px 28px 120px;
    text-align: center;
    position: relative;
}

.hero__meta {
    margin-bottom: 28px;
}

.hero__title {
    font-family: var(--font-sans);
    font-size: clamp(42px, 7vw, 96px);
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -0.03em;
    margin-bottom: 26px;
}

.hero__lede {
    max-width: 640px;
    margin: 0 auto 42px;
    font-size: 17px;
    color: var(--text-dim);
    line-height: 1.65;
}

.hero__actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 90px;
}

/* Orbital animation */
.orbit {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 60px auto 0;
}

.orbit__ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    animation: spin 20s linear infinite;
}

.orbit__ring--1 {
    transform: rotate(0deg);
    border-color: rgba(0, 255, 136, 0.28);
    animation-duration: 12s;
}

.orbit__ring--2 {
    transform: rotate(60deg);
    animation-duration: 20s;
    animation-direction: reverse;
    border-color: rgba(0, 255, 136, 0.18);
}

.orbit__ring--3 {
    transform: rotate(120deg);
    animation-duration: 28s;
    border-color: rgba(0, 255, 136, 0.12);
}

.orbit__core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #b5ffd5, var(--green) 40%, var(--green-deep) 80%);
    box-shadow:
        0 0 30px var(--green-glow),
        0 0 60px var(--green-glow-soft),
        inset 0 0 20px rgba(255, 255, 255, 0.3);
    animation: coreGlow 3s ease-in-out infinite alternate;
}

@keyframes coreGlow {
    from {
        box-shadow: 0 0 30px var(--green-glow), 0 0 60px var(--green-glow-soft), inset 0 0 20px rgba(255, 255, 255, 0.3);
    }
    to {
        box-shadow: 0 0 45px var(--green-glow), 0 0 90px rgba(0, 255, 136, 0.25), inset 0 0 25px rgba(255, 255, 255, 0.4);
    }
}

.orbit__electron {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    margin: -5px 0 0 -5px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 12px var(--green-glow), 0 0 24px var(--green-glow-soft);
}

.orbit__electron--a {
    animation: orbitA 12s linear infinite;
}
.orbit__electron--b {
    animation: orbitB 20s linear infinite reverse;
}
.orbit__electron--c {
    animation: orbitC 28s linear infinite;
}

@keyframes orbitA {
    from { transform: rotate(0deg) translateX(160px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(160px) rotate(-360deg); }
}
@keyframes orbitB {
    from { transform: rotate(60deg) translateX(160px) rotate(-60deg); }
    to { transform: rotate(420deg) translateX(160px) rotate(-420deg); }
}
@keyframes orbitC {
    from { transform: rotate(120deg) translateX(160px) rotate(-120deg); }
    to { transform: rotate(480deg) translateX(160px) rotate(-480deg); }
}

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

.hero__ticker {
    margin-top: 80px;
    padding: 14px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.ticker {
    display: flex;
    gap: 40px;
    white-space: nowrap;
    animation: ticker 45s linear infinite;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    text-transform: uppercase;
}

.ticker span {
    color: var(--green-soft);
    opacity: 0.75;
}

@keyframes ticker {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============================================================
   Section base
   ============================================================ */

.section {
    max-width: var(--max);
    margin: 0 auto;
    padding: 100px 28px;
}

.section__head {
    margin-bottom: 56px;
    max-width: 720px;
}

.section__head .eyebrow {
    display: block;
    margin-bottom: 14px;
}

.section__title {
    font-size: clamp(32px, 4.4vw, 54px);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: 18px;
}

.section__sub {
    color: var(--text-dim);
    font-size: 17px;
    max-width: 620px;
    line-height: 1.65;
}

/* ============================================================
   Firmware tiers
   ============================================================ */

.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.tier-grid--4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.tier {
    position: relative;
    padding: 44px 26px 28px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.tier::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, transparent 40%, rgba(0, 255, 136, 0.35), transparent 60%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.tier:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: 0 30px 60px -30px var(--green-glow-soft);
}

.tier:hover::before {
    opacity: 1;
}

.tier--highlight {
    border-color: var(--border-strong);
    background: linear-gradient(160deg, rgba(0, 255, 136, 0.06), rgba(0, 40, 24, 0.4) 60%);
    box-shadow: 0 20px 60px -30px var(--green-glow);
}

.tier--flagship {
    border-color: rgba(255, 209, 102, 0.22);
    background: linear-gradient(160deg, rgba(255, 209, 102, 0.05), rgba(20, 15, 5, 0.4) 60%);
    box-shadow: 0 20px 60px -30px rgba(255, 209, 102, 0.25);
}

.tier--flagship:hover {
    border-color: rgba(255, 209, 102, 0.4);
}

.tier--flagship .tier__idx {
    color: var(--gold);
}

.tier--flagship .tier__currency {
    color: var(--gold);
}

.tier--flagship .btn--primary {
    background: linear-gradient(135deg, var(--gold) 0%, #e0a83a 100%);
    color: #1a0f00;
    box-shadow:
        0 0 0 1px rgba(255, 209, 102, 0.5),
        0 8px 30px -8px rgba(255, 209, 102, 0.35),
        inset 0 0 20px rgba(255, 255, 255, 0.15);
}

.tier__badge {
    position: absolute;
    top: 14px;
    right: 18px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--green);
    color: #001108;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    box-shadow: 0 4px 20px -4px var(--green-glow);
    z-index: 2;
}

.tier__badge--gold {
    background: var(--gold);
    color: #1a0f00;
    box-shadow: 0 4px 20px -4px rgba(255, 209, 102, 0.55);
}

.tier__head {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tier__idx {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--green);
}

.tier__name {
    font-size: 30px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-top: 4px;
    min-height: calc(1.1em * 2);
    display: flex;
    align-items: flex-start;
}

.tier__phrase {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-mute);
    letter-spacing: 0.08em;
}

.tier__desc {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.6;
    min-height: calc(1.6em * 4);
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-content: flex-start;
    min-height: 54px;
}

.tier__warranty {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-top: 14px;
    border-top: 1px dashed var(--border);
    margin-top: auto;
}

.tier__price {
    font-family: var(--font-sans);
    font-size: 52px;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text);
    line-height: 1;
    display: flex;
    align-items: flex-start;
    gap: 4px;
}

.tier__currency {
    font-size: 22px;
    font-weight: 500;
    color: var(--green);
    margin-top: 6px;
}

/* ============================================================
   RDMA
   ============================================================ */

.rdma {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 22px;
}

.rdma--single {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}

.rdma__pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.rdma__card {
    position: relative;
    padding: 34px 32px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(6px);
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.rdma__card:hover {
    border-color: var(--border-strong);
}

.rdma__card--flagship {
    background: linear-gradient(160deg, rgba(255, 209, 102, 0.05), rgba(20, 15, 5, 0.4) 60%);
    border-color: rgba(255, 209, 102, 0.18);
}

.rdma__card--flagship:hover {
    border-color: rgba(255, 209, 102, 0.35);
}

.rdma__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.rdma__idx {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--green);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.rdma__card--flagship .rdma__idx {
    color: var(--gold);
}

.rdma__name {
    font-size: 34px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.05;
}

.rdma__phrase {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-mute);
    letter-spacing: 0.08em;
}

.rdma__desc {
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.6;
}

.plans {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 12px;
}

.plans--single {
    grid-template-columns: 1fr;
    max-width: 340px;
}

.plan {
    position: relative;
    padding: 18px 16px 16px;
    background: rgba(0, 20, 14, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.plan:hover {
    border-color: var(--green);
    transform: translateY(-2px);
    background: rgba(0, 40, 26, 0.55);
}

.plan__flag {
    position: absolute;
    top: -9px;
    right: 12px;
    padding: 3px 8px;
    background: var(--green);
    color: #001108;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 600;
    border-radius: 4px;
}

.plan--popular {
    border-color: var(--border-strong);
    background: rgba(0, 40, 26, 0.55);
}

.plan__label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--green);
    text-transform: uppercase;
}

.plan__duration {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-mute);
}

.plan__price {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 8px;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.plan__price small {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--text-mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.plan__cta {
    position: absolute;
    bottom: 14px;
    right: 14px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--green);
    color: #001108;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: transform 0.2s ease;
}

.plan__cta:hover {
    transform: translateX(3px);
}

.plan--flagship {
    background: rgba(30, 22, 6, 0.6);
    border-color: rgba(255, 209, 102, 0.25);
}

.plan--flagship .plan__label {
    color: var(--gold);
}

.plan--flagship .plan__cta {
    background: var(--gold);
}

.plan--flagship:hover {
    border-color: var(--gold);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

.feature-list li {
    position: relative;
    padding-left: 22px;
    color: var(--text-dim);
    font-size: 14px;
}

.feature-list li::before {
    content: '◈';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-size: 10px;
    top: 4px;
}

/* ============================================================
   Stats
   ============================================================ */

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.stat {
    padding: 26px 24px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat__label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-mute);
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.stat__value {
    font-size: 44px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.stat__value small {
    font-size: 20px;
    color: var(--green);
}

.stat__value--green {
    color: var(--green);
    text-shadow: 0 0 20px var(--green-glow-soft);
}

.stat__value--live {
    font-size: 26px;
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--green);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.14em;
}

.stat__unit {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ============================================================
   FAQ
   ============================================================ */

.faq {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 820px;
}

.faq__item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    padding: 22px 24px;
    transition: border-color 0.25s ease;
}

.faq__item:hover {
    border-color: var(--border-strong);
}

.faq__item[open] {
    border-color: var(--border-strong);
}

.faq__item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 17px;
    font-weight: 500;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
    content: '+';
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 22px;
    line-height: 1;
    transition: transform 0.25s ease;
}

.faq__item[open] summary::after {
    transform: rotate(45deg);
}

.faq__item p {
    margin-top: 14px;
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.65;
}

/* ============================================================
   CTA
   ============================================================ */

.cta {
    max-width: var(--max);
    margin: 40px auto;
    padding: 0 28px;
}

.cta__inner {
    position: relative;
    padding: 72px 40px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 255, 136, 0.15), transparent 70%),
        linear-gradient(180deg, rgba(0, 30, 20, 0.6), rgba(0, 12, 8, 0.6));
    border: 1px solid var(--border-strong);
    border-radius: 28px;
    overflow: hidden;
}

.cta__inner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 140%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent 0,
        transparent 24px,
        rgba(0, 255, 136, 0.025) 24px,
        rgba(0, 255, 136, 0.025) 25px
    );
    pointer-events: none;
}

.cta__title {
    position: relative;
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.cta__sub {
    position: relative;
    color: var(--text-dim);
    font-size: 17px;
    margin-bottom: 30px;
}

.cta__actions {
    position: relative;
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
    max-width: var(--max);
    margin: 0 auto;
    padding: 80px 28px 40px;
    border-top: 1px solid var(--border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__brand {
    max-width: 320px;
}

.footer__logo {
    height: 64px;
    width: auto;
    margin-bottom: 16px;
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 14px rgba(0, 255, 136, 0.25));
}

.footer__tag {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.6;
}

.footer__col h4 {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--green);
    text-transform: uppercase;
    margin-bottom: 14px;
    font-weight: 500;
}

.footer__col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__col a {
    color: var(--text-dim);
    font-size: 14px;
}

.footer__col a:hover {
    color: var(--green);
}

.footer__bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    text-transform: uppercase;
    gap: 20px;
    flex-wrap: wrap;
}

.footer__bottom .dot {
    margin-right: 6px;
    transform: translateY(-1px);
}

/* ============================================================
   Claim Modal
   ============================================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.is-open {
    display: flex;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 6, 4, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.25s ease;
}

.modal__panel {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding: 48px 36px 36px;
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 255, 136, 0.14), transparent 60%),
        linear-gradient(180deg, rgba(0, 22, 15, 0.95), rgba(4, 8, 10, 0.98));
    border: 1px solid var(--border-strong);
    border-radius: 24px;
    box-shadow:
        0 40px 100px -20px rgba(0, 255, 136, 0.25),
        0 20px 60px -20px rgba(0, 0, 0, 0.7);
    text-align: center;
    animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.modal__panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent 0,
        transparent 24px,
        rgba(0, 255, 136, 0.03) 24px,
        rgba(0, 255, 136, 0.03) 25px
    );
    pointer-events: none;
}

.modal__close {
    position: absolute;
    top: 14px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-dim);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    z-index: 2;
}

.modal__close:hover {
    color: var(--green);
    border-color: var(--green);
    transform: rotate(90deg);
}

.modal__orb {
    position: relative;
    width: 72px;
    height: 72px;
    margin: 0 auto 22px;
}

.modal__orb-core {
    position: absolute;
    inset: 18px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #b5ffd5, var(--green) 40%, var(--green-deep) 80%);
    box-shadow:
        0 0 24px var(--green-glow),
        0 0 48px var(--green-glow-soft),
        inset 0 0 12px rgba(255, 255, 255, 0.35);
    animation: coreGlow 3s ease-in-out infinite alternate;
}

.modal__orb-ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    animation: spin 12s linear infinite;
}

.modal__orb-ring::before,
.modal__orb-ring::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green-glow);
}

.modal__orb-ring::before { top: -3px; left: 50%; margin-left: -3px; }
.modal__orb-ring::after { bottom: -3px; left: 50%; margin-left: -3px; opacity: 0.6; }

.modal__title {
    position: relative;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 14px 0 12px;
}

.modal__sub {
    position: relative;
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.6;
    margin: 0 auto 24px;
    max-width: 380px;
}

.modal__cta {
    position: relative;
    width: 100%;
    justify-content: center;
    margin-bottom: 18px;
}

.modal__note {
    position: relative;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    color: var(--text-mute);
    text-transform: uppercase;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

body.modal-open {
    overflow: hidden;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1100px) {
    .tier-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
    .tier-grid { grid-template-columns: 1fr; }
    .tier-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .rdma { grid-template-columns: 1fr; }
    .plans { grid-template-columns: repeat(2, 1fr); }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }
    .orbit { width: 260px; height: 260px; }
    @keyframes orbitA {
        from { transform: rotate(0deg) translateX(130px) rotate(0deg); }
        to { transform: rotate(360deg) translateX(130px) rotate(-360deg); }
    }
    @keyframes orbitB {
        from { transform: rotate(60deg) translateX(130px) rotate(-60deg); }
        to { transform: rotate(420deg) translateX(130px) rotate(-420deg); }
    }
    @keyframes orbitC {
        from { transform: rotate(120deg) translateX(130px) rotate(-120deg); }
        to { transform: rotate(480deg) translateX(130px) rotate(-480deg); }
    }
}

@media (max-width: 640px) {
    .nav { padding: 18px 20px; gap: 12px; }
    .nav__links { display: none; }
    .nav__logo { height: 56px; }
    .hero { padding: 40px 20px 80px; }
    .section { padding: 60px 20px; }
    .cta { padding: 0 20px; }
    .cta__inner { padding: 50px 24px; }
    .footer { padding: 60px 20px 30px; }
    .plans { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; }
    .footer__brand { max-width: none; }
    .footer__bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
    .rdma__card { padding: 26px 22px; }
    .tier { padding: 26px 22px; }
    .orbit { width: 220px; height: 220px; }
    @keyframes orbitA {
        from { transform: rotate(0deg) translateX(110px) rotate(0deg); }
        to { transform: rotate(360deg) translateX(110px) rotate(-360deg); }
    }
    @keyframes orbitB {
        from { transform: rotate(60deg) translateX(110px) rotate(-60deg); }
        to { transform: rotate(420deg) translateX(110px) rotate(-420deg); }
    }
    @keyframes orbitC {
        from { transform: rotate(120deg) translateX(110px) rotate(-120deg); }
        to { transform: rotate(480deg) translateX(110px) rotate(-480deg); }
    }
}

@media (prefers-reduced-motion: reduce) {
    .orbit__ring,
    .orbit__electron--a,
    .orbit__electron--b,
    .orbit__electron--c,
    .orbit__core,
    .ticker,
    .dot--live {
        animation: none !important;
    }
}