:root {
    --navy-900: #060b16;
    --navy-800: #0d1525;
    --navy-700: #152033;
    --navy-300: #516b9a;
    --midnight: #0f172a;
    --text-primary: #f1f5f9;
    --text-muted: #cbd5f5;
    --accent: #5bffb1;
    --accent-dark: #33d18d;
    --accent-soft: rgba(91, 255, 177, 0.25);
    --card-bg: rgba(15, 23, 42, 0.65);
    --border-color: rgba(255, 255, 255, 0.12);
    --light-surface: #f5f7fb;
    --shadow-soft: 0 25px 60px rgba(15, 23, 42, 0.35);
    --shadow-medium: 0 20px 45px rgba(6, 11, 22, 0.5);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
    background: radial-gradient(circle at 10% 20%, rgba(91, 255, 177, 0.08), transparent 50%),
                radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.12), transparent 55%),
                linear-gradient(180deg, var(--navy-900), var(--navy-700));
    margin: 0;
    min-height: 100vh;
    line-height: 1.7;
}

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

a {
    color: inherit;
}

.container {
    width: min(1100px, 90vw);
    margin: 0 auto;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(6, 11, 22, 0.85);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    gap: 20px;
}

.brand {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.95rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--accent);
}

.nav-cta {
    padding: 10px 20px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), #c3ffe4);
    color: #05331d;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 12px 30px rgba(91, 255, 177, 0.25);
}

.nav-cta:hover,
.nav-cta:focus {
    transform: translateY(-2px);
    box-shadow: 0 20px 45px rgba(91, 255, 177, 0.3);
}

/* Hero */
.hero {
    position: relative;
    padding: 140px 0 120px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(91, 255, 177, 0.12), transparent 55%),
                radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.15), transparent 55%);
    opacity: 0.9;
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-items: center;
    gap: 60px;
}

.hero-text h1 {
    font-size: clamp(2.6rem, 3.4vw + 1.2rem, 3.8rem);
    margin: 20px 0;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.hero-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 540px;
}

.hero-pill {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(91, 255, 177, 0.5);
    background: rgba(91, 255, 177, 0.12);
    color: var(--accent);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

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

.cta-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent), #d1ffe4);
    color: #052d1b;
    box-shadow: 0 20px 45px rgba(91, 255, 177, 0.35);
}

.cta-button.large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.cta-button:hover,
.cta-button:focus {
    transform: translateY(-3px);
    box-shadow: 0 26px 55px rgba(91, 255, 177, 0.45);
}

.secondary-button {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.secondary-button:hover,
.secondary-button:focus {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.1);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    list-style: none;
    padding: 0;
    margin: 40px 0 0;
}

.hero-stats li {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 18px;
    color: var(--text-muted);
}

.hero-stats span {
    display: block;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 6px;
}

.hero-media {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}

.media-frame {
    border-radius: 24px;
    padding: 14px;
    background: linear-gradient(140deg, rgba(91, 255, 177, 0.18), rgba(37, 99, 235, 0.2));
    box-shadow: var(--shadow-soft);
    aspect-ratio: 10 / 3;
    display: flex;
}

.media-frame img {
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(5, 26, 47, 0.45);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-caption {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    background: linear-gradient(45deg, rgba(33, 147, 176, 0.8), rgba(109, 213, 237, 0.8));
    padding: 12px 20px;
    border-radius: 20px;
    margin-top: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Section base */
section {
    padding: 90px 0;
}

.section-light {
    background: var(--light-surface);
    color: #10152b;
}

.section-light .section-copy p {
    color: #4a5878;
}

.section-light h2 {
    color: #0d1b34;
}

.section-dark {
    background: radial-gradient(circle at 20% 20%, rgba(91, 255, 177, 0.08), transparent 60%),
                rgba(9, 14, 25, 0.95);
}

.section-dark h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: clamp(2.2rem, 2.8vw + 1.1rem, 3rem);
}

.section-dark p {
    color: var(--text-muted);
}

/* Video section */
.content-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: center;
}

.video-stack {
    position: relative;
    display: grid;
    gap: 24px;
}

.cover-art {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transform: rotate(-2.5deg);
}

.cover-art img {
    width: 100%;
    height: auto;
    display: block;
}

.video-wrapper {
    border-radius: 24px;
    overflow: hidden;
    background: #000;
    position: relative;
    box-shadow: var(--shadow-medium);
}

.video-wrapper video {
    display: block;
    width: 100%;
}

.elevated-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.section-copy h2 {
    font-size: clamp(2rem, 2vw + 1.1rem, 2.6rem);
    margin-bottom: 20px;
}

.section-copy p {
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.feature-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 16px;
    color: #1f2a44;
    font-weight: 500;
}

.feature-list li {
    display: flex;
    gap: 12px;
    align-items: center;
}

.feature-list i {
    color: #2563eb;
    font-size: 1.1rem;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 22px;
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(91, 255, 177, 0.5);
    box-shadow: 0 30px 60px rgba(6, 11, 22, 0.55);
}

.icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: rgba(91, 255, 177, 0.15);
    display: grid;
    place-items: center;
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.feature-card h3 {
    margin-bottom: 14px;
    font-size: 1.4rem;
}

/* Highlight section */
.section-highlight {
    background: linear-gradient(120deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5)), url('Screenshot4.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.section-highlight::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(91, 255, 177, 0.08), rgba(37, 99, 235, 0.06));
    z-index: 1;
}

.section-highlight .container {
    position: relative;
    z-index: 2;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    align-items: center;
}

.highlight-media {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
}

.highlight-media-frame {
    display: none;
}

.highlight-media-frame::after {
    display: none;
}

.highlight-media-frame img {
    display: none;
}

.highlight-media-note {
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
    padding: 16px 32px;
    border-radius: 30px;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    margin-top: 20px;
    display: inline-block;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.highlight-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 32px;
    padding: 48px;
    color: #0d1b34;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    box-shadow: 0 30px 60px rgba(6, 11, 22, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.7);
    display: grid;
    gap: 24px;
}

.highlight-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #2563eb;
}

.highlight-copy h2 {
    font-size: clamp(2.1rem, 2.3vw + 1.1rem, 3rem);
    margin: 0;
}

.highlight-copy p {
    color: rgba(15, 23, 42, 0.75);
    margin: 0;
}

.highlight-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 16px;
}

.highlight-list li {
    background: rgba(13, 27, 52, 0.06);
    border-radius: 18px;
    padding: 18px 20px;
    display: grid;
    gap: 6px;
}

.list-title {
    font-weight: 600;
    color: #0d1b34;
}

.list-desc {
    color: rgba(15, 23, 42, 0.65);
    font-size: 0.95rem;
}

.highlight-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), #d1ffe4);
    color: #052d1b;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 18px 40px rgba(91, 255, 177, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-cta:hover,
.highlight-cta:focus {
    transform: translateY(-3px);
    box-shadow: 0 26px 55px rgba(91, 255, 177, 0.45);
}

/* Gallery */
.section-gallery {
    background: var(--navy-800);
}

.section-gallery h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: clamp(2.2rem, 2.5vw + 1.2rem, 3rem);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.screenshot-item {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 18px 45px rgba(3, 7, 18, 0.6);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    aspect-ratio: 16 / 9;
    display: flex;
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.screenshot-item.wide {
    aspect-ratio: 3074 / 1243;
}

.screenshot-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.4));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 26px 60px rgba(3, 7, 18, 0.7);
}

.screenshot-item:hover::after {
    opacity: 1;
}

/* CTA */
.cta-section {
    background: linear-gradient(140deg, rgba(91, 255, 177, 0.1), rgba(37, 99, 235, 0.2));
    padding: 110px 0;
}

.cta-card {
    background: rgba(6, 11, 22, 0.85);
    border-radius: 28px;
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    box-shadow: 0 30px 70px rgba(6, 11, 22, 0.55);
}

.cta-card h2 {
    font-size: clamp(2.2rem, 2.5vw + 1.1rem, 3.1rem);
    margin-bottom: 18px;
}

.cta-card p {
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

/* Footer */
footer {
    background: #030712;
    padding: 40px 0;
    color: rgba(226, 232, 240, 0.7);
}

.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

footer nav {
    display: flex;
    gap: 20px;
}

footer nav a {
    text-decoration: none;
    color: rgba(226, 232, 240, 0.7);
    transition: color 0.3s ease;
}

footer nav a:hover,
footer nav a:focus {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding-top: 120px;
    }

    .content-split,
    .features-grid,
    .highlight-grid {
        gap: 32px;
    }
}

@media (max-width: 600px) {
    section {
        padding: 70px 0;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .cta-card {
        padding: 40px 24px;
    }

    .highlight-card {
        padding: 32px 24px;
    }

    .highlight-media-note {
        text-align: center;
        line-height: 1.4;
    }

    footer nav {
        flex-direction: column;
        align-items: flex-start;
    }
}