:root {
    --bg: #05070d;
    --bg-soft: #0a0f1b;
    --panel: #101a2b;
    --panel-soft: #111f36;
    --line: #223555;
    --text: #f5f8ff;
    --muted: #b2bfd6;
    --accent: #26f3a6;
    --accent-ink: #05130c;
    --accent-alt: #15d6ff;
    --danger: #ff6d75;
    --container: 1140px;
    --radius-lg: 24px;
    --radius-md: 16px;
    --shadow: 0 24px 52px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.45;
    overflow-x: hidden;
    padding-bottom: 0;
}

.site-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(1200px 600px at 88% -10%, rgba(21, 214, 255, 0.12), transparent 60%),
        radial-gradient(1000px 520px at 10% 8%, rgba(38, 243, 166, 0.14), transparent 62%),
        linear-gradient(180deg, #05070d 0%, #060b14 48%, #05070d 100%);
}

.container {
    width: min(var(--container), calc(100% - 2.4rem));
    margin: 0 auto;
}

.narrow {
    max-width: 860px;
}

.section {
    padding: clamp(52px, 9vw, 110px) 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: linear-gradient(180deg, rgba(5, 8, 15, 0.92), rgba(5, 8, 15, 0.68));
    border-bottom: 1px solid rgba(34, 53, 85, 0.55);
}

.nav-wrap {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    color: var(--text);
    text-decoration: none;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    letter-spacing: -0.03em;
    font-size: 1.6rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #20f1a3 0%, #14d3ff 100%);
    color: #062034;
    box-shadow: 0 12px 24px rgba(20, 211, 255, 0.25);
}

.brand-mark svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.brand-text {
    line-height: 1;
}

.nav-links {
    display: flex;
    gap: 22px;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--text);
}

.btn {
    border: 0;
    border-radius: 999px;
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: 0;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    opacity: 0.96;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #1ce28f 100%);
    color: var(--accent-ink);
    box-shadow: 0 18px 40px rgba(24, 219, 141, 0.33);
    padding: 0.95rem 1.38rem;
    font-size: 0.98rem;
}

.btn-hero {
    padding: 1.08rem 1.72rem;
    font-size: 1.08rem;
    box-shadow: 0 0 0 1px rgba(19, 235, 149, 0.6), 0 24px 48px rgba(24, 219, 141, 0.45);
}

.btn-wide {
    width: 100%;
}

.hero {
    padding-top: clamp(64px, 9vw, 120px);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: clamp(22px, 4vw, 42px);
    align-items: center;
}

.eyebrow {
    margin: 0;
    color: #06243a;
    background: #9af7cf;
    border: 1px solid #55e7ab;
    display: inline-flex;
    border-radius: 999px;
    padding: 0.36rem 0.72rem;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.03em;
}

.hero h1 {
    margin-top: 14px;
    font-size: clamp(2.2rem, 6.4vw, 4.8rem);
    line-height: 0.96;
    max-width: 13ch;
}

.hero-sub {
    margin-top: 20px;
    font-size: clamp(1rem, 1.45vw, 1.24rem);
    color: var(--muted);
    max-width: 58ch;
}

.hero-cta-row {
    margin-top: 28px;
}

.cta-note {
    margin-top: 10px;
    color: #8fa2c7;
    font-size: 0.92rem;
    font-weight: 500;
}

.trust-row {
    margin-top: 8px;
    color: #f1d59a;
    font-size: 0.9rem;
    font-weight: 700;
}

.feature-row {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
}

.feature-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #d4e7ff;
    font-size: 0.93rem;
    font-weight: 600;
}

.feature-item svg {
    width: 18px;
    height: 18px;
    fill: #63e9ba;
    flex: 0 0 auto;
}

.hero-visual {
    position: relative;
    min-height: 380px;
    display: block;
}

.mini-card {
    border: 1px solid var(--line);
    background: linear-gradient(165deg, #0e1628, #0a1120);
    border-radius: var(--radius-md);
    padding: 18px;
    position: relative;
    z-index: 1;
    max-width: 390px;
}

.mini-label {
    margin: 0;
    color: #a9b8d5;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.mini-number {
    margin: 8px 0 0;
    font-size: 1.18rem;
    font-weight: 700;
}

.mini-meta {
    margin: 4px 0 0;
    color: #8ea4cd;
    font-size: 0.88rem;
}

.phone-mockup {
    border: 1px solid #2a3e63;
    border-radius: 32px;
    background: linear-gradient(180deg, #091326 0%, #060e1e 100%);
    padding: 14px;
    box-shadow: 0 34px 70px rgba(2, 8, 20, 0.58), 0 0 0 1px rgba(20, 211, 255, 0.16);
    width: min(330px, 82%);
    position: absolute;
    right: -12px;
    top: 92px;
    z-index: 3;
    transform: perspective(1200px) rotateY(-14deg) rotateZ(-5deg);
    transform-origin: right center;
}

.phone-mockup::after {
    content: "";
    position: absolute;
    left: 12%;
    right: 12%;
    bottom: -18px;
    height: 22px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(20, 211, 255, 0.22), transparent 70%);
    filter: blur(10px);
    z-index: -1;
}

.phone-top {
    width: 35%;
    height: 22px;
    margin: 0 auto 12px;
    border-radius: 999px;
    background: #1a2d4b;
}

.phone-screen {
    border-radius: 22px;
    min-height: 230px;
    background: linear-gradient(180deg, #102341 0%, #0a172d 100%);
    padding: 18px;
    display: grid;
    align-content: end;
    gap: 10px;
}

.phone-meta {
    margin: 0;
    color: #97b0d6;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 700;
}

.sms-bubble {
    max-width: 100%;
    background: linear-gradient(180deg, #164173 0%, #0f2f52 100%);
    border: 1px solid #2d4a74;
    border-radius: 16px 16px 16px 4px;
    padding: 12px 12px 13px;
}

.sms-bubble p {
    margin: 0;
    color: #edf6ff;
    font-size: 0.9rem;
    line-height: 1.42;
}

.sms-bubble p + p {
    margin-top: 4px;
}

.pain {
    border-top: 1px solid rgba(34, 53, 85, 0.4);
    border-bottom: 1px solid rgba(34, 53, 85, 0.4);
    background: linear-gradient(180deg, rgba(11, 17, 30, 0.72) 0%, rgba(9, 14, 25, 0.78) 100%);
}

.pain h2,
.mechanism h2,
.roi h2,
.pricing h2,
.final-cta h2 {
    font-size: clamp(1.9rem, 5vw, 3.1rem);
    line-height: 1.02;
}

.pain p {
    margin-top: 16px;
    color: var(--muted);
    font-size: clamp(1rem, 1.4vw, 1.12rem);
}

.pain-list {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.pain-list li {
    border: 1px solid #3b2d3a;
    background: rgba(255, 109, 117, 0.08);
    color: #ffd0d3;
    border-radius: 12px;
    padding: 12px 14px;
    font-weight: 600;
}

.mechanism .steps {
    margin-top: 26px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.step-card {
    border: 1px solid var(--line);
    background: linear-gradient(165deg, var(--panel-soft), #0e192d);
    border-radius: var(--radius-md);
    padding: 20px;
    min-height: 220px;
}

.step-number {
    margin: 0;
    color: var(--accent-alt);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.step-card h3 {
    margin-top: 8px;
    font-size: 1.26rem;
    line-height: 1.08;
}

.step-card p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.98rem;
}

.roi-card {
    border: 1px solid #2d4a74;
    background: linear-gradient(160deg, #0e223f 0%, #0a1730 100%);
    border-radius: var(--radius-lg);
    padding: clamp(22px, 4vw, 34px);
    box-shadow: 0 26px 58px rgba(7, 14, 30, 0.45);
}

.roi-card p {
    margin-top: 14px;
    color: #bfd2f2;
    font-size: 1.05rem;
}

.roi-math {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.roi-math div {
    border: 1px solid #2f4f7a;
    border-radius: 12px;
    background: rgba(4, 11, 24, 0.48);
    padding: 12px;
}

.roi-math span {
    color: #a9c4ea;
    font-size: 0.82rem;
    display: block;
}

.roi-math strong {
    margin-top: 4px;
    display: block;
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.pricing-card {
    margin-top: 24px;
    max-width: 620px;
    border: 1px solid #27466d;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, #0f1e34 0%, #0c1728 100%);
    padding: clamp(22px, 4vw, 34px);
    box-shadow: var(--shadow);
}

.price-label {
    margin: 0;
    color: #b7caf0;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
}

.price {
    margin: 8px 0 0;
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.price span {
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    color: #a8bbdf;
    margin-left: 8px;
}

.pricing-card ul {
    margin: 16px 0 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
    color: #dbe8ff;
}

.pricing-card .btn {
    margin-top: 18px;
}

.guarantee-title {
    margin-top: 18px;
    font-weight: 800;
    color: #d8f9e9;
}

.guarantee-copy {
    margin-top: 8px;
    color: var(--muted);
}

.final-cta {
    border-top: 1px solid rgba(34, 53, 85, 0.4);
}

.final-cta p {
    margin-top: 14px;
    color: var(--muted);
    font-size: 1.05rem;
}

.final-cta .btn {
    margin-top: 18px;
}

.site-footer {
    border-top: 1px solid rgba(34, 53, 85, 0.5);
    padding: 20px 0 110px;
}

.footer-wrap {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
}

.footer-wrap p {
    margin: 0;
    color: #8ca3cc;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a {
    color: #b7caee;
    text-decoration: none;
}

.mobile-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: none;
    padding: 12px;
    border-top: 1px solid rgba(34, 53, 85, 0.9);
    background: rgba(6, 10, 18, 0.94);
    backdrop-filter: blur(8px);
}

.fade-up {
    animation: fadeUp 600ms ease-out both;
}

.fade-up-delay {
    animation: fadeUp 760ms ease-out both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-color-scheme: light) {
    html {
        color-scheme: light;
    }

    :root {
        --bg: #f4f8ff;
        --bg-soft: #eef4ff;
        --panel: #ffffff;
        --panel-soft: #f7fbff;
        --line: #c6d7ed;
        --text: #0c1a2d;
        --muted: #3f5470;
        --accent: #12d891;
        --accent-ink: #062034;
        --accent-alt: #0b8dff;
        --danger: #c23645;
        --shadow: 0 24px 52px rgba(20, 47, 86, 0.18);
    }

    .site-bg {
        background:
            radial-gradient(1200px 620px at 88% -10%, rgba(20, 176, 255, 0.16), transparent 60%),
            radial-gradient(1000px 560px at 10% 8%, rgba(34, 227, 155, 0.2), transparent 62%),
            linear-gradient(180deg, #f4f8ff 0%, #eef5ff 48%, #f4f8ff 100%);
    }

    .site-header {
        background: linear-gradient(180deg, rgba(244, 248, 255, 0.95), rgba(244, 248, 255, 0.82));
        border-bottom: 1px solid rgba(166, 188, 217, 0.72);
    }

    .brand-mark {
        box-shadow: 0 12px 24px rgba(20, 211, 255, 0.2);
    }

    .btn-primary {
        box-shadow: 0 16px 34px rgba(17, 195, 130, 0.32);
    }

    .btn-hero {
        box-shadow: 0 0 0 1px rgba(17, 195, 130, 0.56), 0 24px 48px rgba(17, 195, 130, 0.34);
    }

    .eyebrow {
        color: #08314d;
        background: #90efc4;
        border-color: #47d9a2;
    }

    .cta-note {
        color: #355171;
    }

    .trust-row {
        color: #8c5f00;
    }

    .feature-item {
        color: #1a3553;
    }

    .feature-item svg {
        fill: #1ab584;
    }

    .mini-card {
        background: linear-gradient(165deg, #ffffff, #f3f8ff);
    }

    .mini-label {
        color: #4e6788;
    }

    .mini-meta {
        color: #4f698d;
    }

    .phone-mockup {
        border-color: #9eb8d8;
        background: linear-gradient(180deg, #f5f9ff 0%, #ebf3ff 100%);
        box-shadow: 0 28px 56px rgba(36, 76, 122, 0.28), 0 0 0 1px rgba(20, 211, 255, 0.18);
    }

    .phone-top {
        background: #b8cae3;
    }

    .phone-screen {
        background: linear-gradient(180deg, #e6f1ff 0%, #dcecff 100%);
    }

    .phone-meta {
        color: #4f698b;
    }

    .sms-bubble {
        background: linear-gradient(180deg, #d5e8ff 0%, #c7dfff 100%);
        border-color: #9fc1ea;
    }

    .sms-bubble p {
        color: #163557;
    }

    .pain {
        border-top: 1px solid rgba(162, 184, 212, 0.65);
        border-bottom: 1px solid rgba(162, 184, 212, 0.65);
        background: linear-gradient(180deg, rgba(240, 246, 255, 0.92) 0%, rgba(233, 242, 255, 0.92) 100%);
    }

    .pain-list li {
        border-color: #f3bbc0;
        background: rgba(255, 109, 117, 0.12);
        color: #812733;
    }

    .step-card {
        background: linear-gradient(165deg, #ffffff, #f4f9ff);
    }

    .roi-card {
        border-color: #b7cdeb;
        background: linear-gradient(160deg, #ffffff 0%, #eff6ff 100%);
        box-shadow: 0 20px 40px rgba(30, 61, 103, 0.14);
    }

    .roi-card p {
        color: #3a5575;
    }

    .roi-math div {
        border-color: #c1d5ed;
        background: rgba(246, 250, 255, 0.9);
    }

    .roi-math span {
        color: #56739a;
    }

    .pricing-card {
        border-color: #bbd1e9;
        background: linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
    }

    .price-label {
        color: #4d678a;
    }

    .price span {
        color: #4e6b91;
    }

    .pricing-card ul {
        color: #132a45;
    }

    .guarantee-title {
        color: #1f6743;
    }

    .final-cta {
        border-top: 1px solid rgba(162, 184, 212, 0.7);
    }

    .site-footer {
        border-top: 1px solid rgba(162, 184, 212, 0.7);
    }

    .footer-wrap p {
        color: #4f6687;
    }

    .footer-links a {
        color: #21456f;
    }

    .mobile-sticky-cta {
        border-top: 1px solid rgba(162, 184, 212, 0.92);
        background: rgba(244, 248, 255, 0.95);
    }
}

@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .mechanism .steps {
        grid-template-columns: 1fr;
    }

    .roi-math {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 330px;
    }

    .phone-mockup {
        right: 4px;
        top: 70px;
        width: min(330px, 82%);
        transform: perspective(1000px) rotateY(-10deg) rotateZ(-4deg);
    }
}

@media (max-width: 840px) {
    .nav-links {
        display: none;
    }

    .site-header .btn {
        display: none;
    }

    .mobile-sticky-cta {
        display: block;
    }

    body {
        padding-bottom: 86px;
    }

    .site-footer {
        padding-bottom: 120px;
    }
}

@media (max-width: 560px) {
    .container {
        width: calc(100% - 1.4rem);
    }

    .hero h1 {
        max-width: none;
    }

    .price {
        font-size: 2.5rem;
    }

    .phone-screen {
        min-height: 210px;
    }

    .hero-visual {
        min-height: 0;
        margin-top: 8px;
    }

    .phone-mockup {
        position: relative;
        right: auto;
        top: auto;
        width: 100%;
        margin-top: 14px;
        transform: none;
    }

    .feature-row {
        gap: 10px 14px;
    }

    .feature-item {
        font-size: 0.88rem;
    }
}