:root {
    --ink: #06100a;
    --panel: #0a1a10;
    --panel-2: #0e2416;
    --phosphor: #18eb61;
    --phosphor-soft: #a9ffc5;
    --paper: #f1f6e9;
    --muted: #91a696;
    --amber: #ffb21a;
    --line: rgba(94, 255, 145, 0.18);
    --serif: "Newsreader", Georgia, serif;
    --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    background: var(--ink);
}

body {
    margin: 0;
    color: var(--paper);
    background:
        linear-gradient(rgba(24, 235, 97, 0.025) 1px, transparent 1px),
        radial-gradient(circle at 72% 8%, rgba(24, 235, 97, 0.12), transparent 31rem),
        var(--ink);
    background-size: 100% 5px, auto, auto;
    font-family: var(--mono);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: inherit; }

.skip-link {
    position: fixed;
    left: 1rem;
    top: -5rem;
    z-index: 20;
    padding: .65rem 1rem;
    background: var(--phosphor);
    color: var(--ink);
}

.skip-link:focus { top: 1rem; }

.site-nav {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.2rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: .08em;
}

.brand img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    box-shadow: 0 0 26px rgba(24, 235, 97, .18);
}

.nav-link {
    color: var(--phosphor-soft);
    font-size: .78rem;
    text-decoration: none;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.nav-link:hover { color: var(--phosphor); }

.hero,
.section,
.footer {
    width: min(1180px, calc(100% - 2rem));
    margin-inline: auto;
}

.hero {
    min-height: 760px;
    padding: clamp(4rem, 9vw, 8rem) 0 5rem;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, .72fr);
    align-items: center;
    gap: clamp(2.5rem, 7vw, 7rem);
}

.hero-copy {
    animation: arrive .8s both cubic-bezier(.2, .8, .2, 1);
}

.eyebrow,
.kicker {
    margin: 0 0 1rem;
    color: var(--phosphor);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .19em;
    text-transform: uppercase;
}

h1,
h2 {
    font-family: var(--serif);
    font-weight: 600;
    letter-spacing: -.035em;
    line-height: .98;
}

h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(3.65rem, 8.4vw, 7.75rem);
}

.hero-lede {
    max-width: 640px;
    margin: 2rem 0 0;
    color: var(--phosphor-soft);
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.signal-line {
    display: flex;
    gap: .65rem;
    margin: 2rem 0;
    color: var(--phosphor);
    font-size: 1.35rem;
    letter-spacing: .12em;
}

.signal-line span {
    display: block;
    text-shadow: 0 0 18px rgba(24, 235, 97, .7);
    animation: signal 1.8s infinite both;
}

.signal-line span:nth-child(2) { animation-delay: .22s; }
.signal-line span:nth-child(3) { animation-delay: .44s; }

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: .85rem 1.2rem;
    border: 1px solid var(--phosphor);
    border-radius: 6px;
    background: var(--phosphor);
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 36px rgba(24, 235, 97, .2);
}

.button.secondary {
    background: transparent;
    color: var(--phosphor);
}

.price-note {
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: .78rem;
}

.hero-device {
    position: relative;
    justify-self: center;
    width: min(100%, 380px);
    animation: arrive .8s .15s both cubic-bezier(.2, .8, .2, 1);
}

.hero-device::before {
    content: "";
    position: absolute;
    inset: 10% -16% 18%;
    z-index: -1;
    border-radius: 50%;
    background: rgba(24, 235, 97, .13);
    filter: blur(48px);
}

.hero-device img {
    display: block;
    width: 100%;
    max-height: 690px;
    object-fit: cover;
    object-position: top;
    border-radius: 28px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .45);
}

.readout {
    position: absolute;
    right: -1.4rem;
    bottom: 10%;
    padding: .75rem 1rem;
    border: 1px solid var(--line);
    background: rgba(6, 16, 10, .92);
    color: var(--amber);
    font-size: .72rem;
    letter-spacing: .08em;
}

.demo-section {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 clamp(5rem, 10vw, 9rem);
    text-align: center;
}

.demo-section h2 {
    margin: 0 auto 2.5rem;
    font-size: clamp(2.8rem, 6vw, 5.6rem);
}

.demo-frame {
    width: min(100%, 390px);
    margin: 0 auto;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(24, 235, 97, .16), rgba(6, 16, 10, .9));
    box-shadow: 0 30px 90px rgba(0, 0, 0, .42), 0 0 55px rgba(24, 235, 97, .08);
}

.demo-frame video {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    border-radius: 20px;
    background: #020906;
}

.demo-caption {
    max-width: 620px;
    margin: 1.5rem auto 0;
    color: var(--muted);
    font-size: .82rem;
}

.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }

.section-heading {
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    gap: 2rem;
    margin-bottom: 3.5rem;
    align-items: end;
}

.section-heading h2 {
    max-width: 800px;
    margin: 0;
    font-size: clamp(2.6rem, 6vw, 5.8rem);
}

.section-heading p {
    max-width: 560px;
    margin: 0;
    color: var(--muted);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.method {
    padding: 2rem;
    border-right: 1px solid var(--line);
}

.method:last-child { border-right: 0; }

.method-number {
    color: var(--amber);
    font-size: .75rem;
    letter-spacing: .16em;
}

.method h3 {
    margin: 4rem 0 .75rem;
    color: var(--phosphor-soft);
    font-size: 1rem;
}

.method p {
    margin: 0;
    color: var(--muted);
    font-size: .88rem;
}

.screenshots {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 2.5rem) / 3);
    gap: 1.25rem;
    width: 100%;
    margin-inline: auto;
    padding-bottom: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-color: var(--phosphor) var(--panel);
}

.shot {
    margin: 0;
    scroll-snap-align: start;
}

.shot img {
    display: block;
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--panel);
}

.shot figcaption {
    padding: .85rem .25rem 0;
    color: var(--muted);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .1em;
}

.offer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.offer-card {
    min-height: 420px;
    padding: clamp(2rem, 5vw, 4rem);
    border: 1px solid var(--line);
    background: var(--panel);
    display: flex;
    flex-direction: column;
}

.offer-card.pro {
    border-color: var(--phosphor);
    background: linear-gradient(145deg, rgba(24, 235, 97, .12), var(--panel));
}

.offer-card h3 {
    margin: 0;
    font-family: var(--serif);
    font-size: clamp(2.2rem, 4vw, 4rem);
    line-height: 1;
}

.offer-price {
    margin: 1rem 0 2rem;
    color: var(--phosphor);
}

.offer-card ul {
    margin: 0 0 2.5rem;
    padding: 0;
    list-style: none;
    color: var(--phosphor-soft);
}

.offer-card li {
    padding: .55rem 0;
    border-bottom: 1px solid var(--line);
}

.offer-card .button { margin-top: auto; }

.privacy-strip {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
    padding: 3rem;
    border-left: 4px solid var(--phosphor);
    background: var(--paper);
    color: var(--ink);
}

.privacy-strip h2 {
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 4.75rem);
}

.privacy-strip p { margin: 0; }

.footer {
    padding: 2rem 0 3rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: .72rem;
}

.footer a { color: var(--phosphor-soft); }

@keyframes arrive {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes signal {
    0%, 35%, 100% { opacity: .28; }
    12%, 24% { opacity: 1; }
}

@media (max-width: 800px) {
    .hero {
        min-height: auto;
        grid-template-columns: 1fr;
        padding-top: 4rem;
    }

    .hero-device { width: min(82vw, 360px); }
    .readout { right: -.5rem; }
    .section-heading { grid-template-columns: 1fr; }
    .method-grid { grid-template-columns: 1fr; }
    .method { border-right: 0; border-bottom: 1px solid var(--line); }
    .method:last-child { border-bottom: 0; }
    .method h3 { margin-top: 2rem; }
    .screenshots { grid-auto-columns: minmax(240px, 72%); }
    .offer { grid-template-columns: 1fr; }
    .privacy-strip { grid-template-columns: 1fr; padding: 2rem; }
}

@media (max-width: 520px) {
    .brand span { display: none; }
    h1 { font-size: clamp(3.25rem, 17vw, 5rem); }
    .actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation: none !important;
        transition: none !important;
    }
}