:root {
    color-scheme: dark;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #020812;
    color: #e8f1ff;
    --bg: #040b19;
    --panel: rgba(9, 18, 41, 0.88);
    --panel-soft: rgba(14, 23, 53, 0.75);
    --border: rgba(255, 255, 255, 0.08);
    --primary: #35f0b4;
    --primary-strong: #32d4ff;
    --accent: #64c8ff;
    --muted: #98aac6;
    --text: #eef4ff;
    --surface: rgba(7, 14, 32, 0.95);
    --surface-soft: rgba(10, 18, 41, 0.95);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top left, rgba(55, 208, 178, 0.16), transparent 20%),
        radial-gradient(circle at 90% 10%, rgba(50, 212, 255, 0.12), transparent 16%),
        linear-gradient(180deg, #020812 0%, #030b15 100%);
    color: var(--text);
}

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

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

button,
input,
select,
textarea,
a {
    font: inherit;
}

.page-shell {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 24px 48px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(2, 8, 18, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    margin-bottom: 24px;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2efbba, #31c7ff);
    box-shadow: 0 18px 40px rgba(50, 212, 255, 0.18);

}

.brand strong {
    font-size: 1.05rem;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
}

.site-nav {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    justify-content: center;
}

.site-nav a {
    color: var(--muted);
    font-weight: 600;
    transition: color 0.2s ease;
}

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

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span+span {
    margin-top: 5px;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
    white-space: nowrap;

}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #020812;
    box-shadow: 0 16px 32px rgba(50, 212, 255, 0.18);
    padding: 16px 26px;
    font-weight: 700;
}

.btn-secondary,
.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.08);
    padding: 16px 26px;
    font-weight: 700;
}

main {
    display: grid;
    gap: 40px;
}

section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}

section.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-card {
    animation: float 12s ease-in-out infinite alternate;
}

.hero-card:hover {
    transform: translateY(-5px) scale(1.003);
}

.hero-badge {
    animation: badgePop 3.8s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-12px);
    }
}

@keyframes badgePop {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-6px) scale(1.02);
    }
}

@keyframes stripScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

main {
    display: grid;
    gap: 40px;
}

.feature-strip {
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.05);
}

.feature-strip-inner {
    padding: 16px 0;
    overflow: hidden;
}

.feature-track {
    display: flex;
    gap: 40px;
    align-items: center;
    white-space: nowrap;
    animation: stripScroll 20s linear infinite;
}

.feature-track span {
    display: inline-flex;
    align-items: center;
    padding: 12px 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.hero-section {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 32px;
    align-items: center;
    padding: 42px 40px;
    background: rgba(9, 16, 36, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);

}

.hero-copy {
    display: grid;
    gap: 24px;
}

.hero-copy .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #4af1bb;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.hero-copy h1 {
    margin: 0;
    font-size: clamp(3rem, 4vw, 4.75rem);
    line-height: 0.95;
    max-width: 780px;
}

.hero-copy h1 span {
    color: var(--primary);
}

.hero-copy p {
    margin: 0;
    max-width: 680px;
    color: var(--muted);
    line-height: 1.85;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--muted);
    font-size: 0.95rem;
}

.hero-highlights span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}

.hero-visual {
    position: relative;
}

.hero-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.3);
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(50, 212, 255, 0.18), transparent 26%);
}

.hero-card img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-badge {
    position: absolute;
    right: 24px;
    bottom: 24px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: rgba(2, 8, 18, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
}

.section-header {
    display: grid;
    gap: 14px;
}

.section-header .eyebrow {
    color: var(--primary);
}

.section-header h2 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 2.8rem);
}

.section-header p {
    margin: 0;
    color: var(--muted);
    max-width: 760px;
    line-height: 1.8;
}

.feature-section,
.audience-section,
.steps-section,
.gallery-section,
.value-section,
.faq-section {
    padding: 34px;
    background: var(--panel);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-card,
.audience-card,
.step-card {
    padding: 28px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.feature-card h3,
.audience-card h3,
.step-card h3 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 1.15rem;
}

.feature-card p,
.audience-card p,
.step-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.audience-grid,
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.step-card {
    position: relative;
}

.step-number {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(89, 248, 188, 0.18);
    color: var(--primary);
    font-weight: 700;
    font-size: 1rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.gallery-link {
    display: block;
    overflow: hidden;
    border-radius: 10px;
}

.gallery-link img {
    width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-link:hover img {
    transform: scale(1.03);
}

.image-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 24px;
}

.image-modal.active {
    display: flex;
}

.image-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(1, 3, 10, 0.85);
}

.image-modal-content {
    position: relative;
    max-width: 820px;
    max-height: 82vh;
    width: min(100%, 820px);
    padding: 16px;
    border-radius: 28px;
    background: rgba(4, 8, 18, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.image-modal-content img {
    width: 100%;
    max-height: 72vh;
    object-fit: contain;
    display: block;
    border-radius: 20px;
}

.image-modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 11;
    display: grid;
    place-items: center;
}

.image-modal-prev {
    left: 14px;
}

.image-modal-next {
    right: 14px;
}

.image-modal-nav:hover {
    background: rgba(255, 255, 255, 0.14);
}

.image-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1.35rem;
    cursor: pointer;
    z-index: 10;
}

.value-content {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr;
    gap: 28px;
}

.value-grid {
    display: grid;
    gap: 18px;
    margin-top: 24px;
}

.value-grid article {
    padding: 22px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.value-grid h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.value-grid p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.price-card {
    padding: 28px;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(9, 22, 45, 0.96), rgba(7, 14, 32, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.price-card-badge {
    display: inline-flex;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(50, 212, 255, 0.12);
    color: #8ffcff;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.price-card h3 {
    margin: 0 0 16px;
    font-size: 1.9rem;
}

.price-card p {
    margin: 0 0 28px;
    color: var(--muted);
    line-height: 1.8;
}

.price-value {
    display: flex;
    align-items: baseline;
    gap: 18px;
    margin-bottom: 26px;
}

.price-old {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: line-through;
}

.price-card strong {
    font-size: 3rem;
    color: #fff;
}

.btn-full {
    width: 100%;
    text-align: center;
}

.price-list {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 14px;
}

.price-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
}

.price-list li::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
}

.faq-grid {
    display: grid;
    gap: 18px;
    margin-top: 30px;
}

.faq-item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    overflow: hidden;
}

.faq-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    background: transparent;
    border: 0;
    color: var(--text);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}

.faq-toggle::after {
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}

.faq-toggle[aria-expanded="true"]::after {
    content: "–";
}

.faq-panel {
    padding: 0 24px 22px;
    color: var(--muted);
    line-height: 1.8;
    display: none;
}

.faq-panel.open {
    display: block;
}

@media (max-width: 1160px) {

    .hero-section,
    .value-content {
        grid-template-columns: 1fr;
    }

    .feature-grid,
    .audience-grid,
    .steps-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {

    .hero-section,
    .value-content {
        grid-template-columns: 1fr;
    }

    .feature-grid,
    .audience-grid,
    .steps-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .page-shell {
        padding: 18px 18px 32px;
    }

    .topbar-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        width: 100%;
        display: none;
        flex-direction: column;
        gap: 14px;
        margin-top: 14px;
        padding: 16px;
        background: rgba(3, 9, 22, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 24px;
    }

    .site-nav.open {
        display: flex;
    }

    .site-nav a {
        padding: 14px 16px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.03);
    }

    .hero-section {
        padding: 28px;
    }

    .hero-actions {
        gap: 12px;
    }

    .hero-highlights {
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .page-shell {
        padding: 16px 16px 28px;
    }

    .topbar-inner {
        gap: 14px;
    }

    .site-nav {
        grid-template-columns: 1fr;
    }

    .hero-copy h1 {
        font-size: 2.4rem;
    }

    .hero-section {
        padding: 22px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-highlights {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-highlights span {
        width: 100%;
        justify-content: center;
    }

    .btn,
    .btn-full {
        width: 100%;
    }

    .feature-card,
    .audience-card,
    .step-card,
    .price-card,
    .faq-item {
        padding: 20px;
    }

    .hero-badge {
        right: 16px;
        bottom: 16px;
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .faq-toggle {
        padding: 18px 20px;
        font-size: 0.95rem;
    }
}

@media (max-width: 520px) {
    .topbar-inner {
        padding: 16px 18px;
    }

    .topbar {
        border-radius: 10px;
    }

    .hero-section {
        gap: 18px;
    }

    .hero-copy h1 {
        font-size: 2rem;
    }

    .hero-copy p,
    .section-header p,
    .feature-card p,
    .audience-card p,
    .step-card p,
    .price-card p,
    .faq-panel p {
        font-size: 0.95rem;
    }

    .site-nav {
        gap: 8px;
    }

    .price-value {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}