:root {
    --bg: #08131a;
    --bg-soft: #0e202a;
    --surface: rgba(13, 28, 38, 0.82);
    --surface-strong: #102634;
    --surface-light: #f7fbff;
    --stroke: rgba(129, 211, 255, 0.18);
    --stroke-strong: rgba(129, 211, 255, 0.34);
    --text: #f4fbff;
    --muted: #b9d2df;
    --accent: #43d6ff;
    --accent-strong: #17baf1;
    --accent-dark: #0b88b8;
    --shadow: 0 30px 80px rgba(3, 11, 17, 0.34);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Cairo", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 15%, rgba(67, 214, 255, 0.18), transparent 28%),
        radial-gradient(circle at 85% 5%, rgba(23, 186, 241, 0.14), transparent 24%),
        linear-gradient(180deg, #071219 0%, #09161d 24%, #f7fbff 24%, #f7fbff 100%);
}

a {
    text-decoration: none;
}

.page-shell {
    min-height: 100vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(5, 15, 21, 0.74);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    color: #fff;
    font-weight: 800;
    font-size: 1.15rem;
}

.navbar-brand img {
    border-radius: 14px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
}

.nav-link {
    color: rgba(255, 255, 255, 0.84);
    font-weight: 600;
}

.nav-link:hover,
.nav-link:focus {
    color: #fff;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    border: 0;
    border-radius: 999px;
    padding: 0.95rem 1.5rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #03202a;
    font-weight: 800;
    box-shadow: 0 18px 32px rgba(18, 177, 227, 0.28);
}

.btn-download:hover,
.btn-download:focus {
    color: #03202a;
    transform: translateY(-1px);
}

.hero-section {
    position: relative;
    overflow: hidden;
    padding: 4.5rem 0 3.5rem;
    color: var(--text);
}

.hero-copy h1 {
    margin: 0 0 1rem;
    font-size: clamp(2.2rem, 4vw, 4.4rem);
    line-height: 1.13;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-lead {
    max-width: 40rem;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.95;
    margin-bottom: 1.75rem;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.brand-lockup img {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
}

.brand-chip {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.92);
    font-weight: 700;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 1.75rem;
}

.hero-actions .btn-outline-light {
    border-radius: 999px;
    padding-inline: 1.4rem;
    font-weight: 700;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-meta > div {
    min-width: 160px;
    padding: 1rem 1.1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.meta-label {
    display: block;
    margin-bottom: 0.35rem;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.hero-visual {
    position: relative;
    min-height: 680px;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(12px);
}

.glow-one {
    width: 260px;
    height: 260px;
    background: rgba(67, 214, 255, 0.14);
    top: 70px;
    right: 60px;
}

.glow-two {
    width: 200px;
    height: 200px;
    background: rgba(5, 133, 191, 0.22);
    bottom: 40px;
    left: 70px;
}

.phone-stack {
    position: relative;
    width: min(100%, 560px);
    margin-inline: auto;
    min-height: 680px;
}

.phone-frame {
    position: absolute;
    overflow: hidden;
    border-radius: 42px;
    background: #0b1820;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: var(--shadow);
    padding: 10px;
}

.phone-frame::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 34%;
    height: 28px;
    border-radius: 999px;
    background: rgba(10, 18, 25, 0.95);
    z-index: 2;
}

.phone-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 34px;
}

.phone-primary {
    inset: 24px auto auto 50%;
    width: 292px;
    height: 614px;
    transform: translateX(-50%);
    z-index: 3;
}

.phone-secondary {
    top: 70px;
    right: 18px;
    width: 226px;
    height: 476px;
    transform: rotate(8deg);
    z-index: 2;
}

.phone-tertiary {
    bottom: 10px;
    left: 20px;
    width: 224px;
    height: 470px;
    transform: rotate(-10deg);
    z-index: 1;
}

.stats-strip {
    padding: 1rem 0 2rem;
}

.stat-card {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.3rem 1.4rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-card i {
    font-size: 1.7rem;
    color: var(--accent);
}

.stat-card strong {
    display: block;
    margin-bottom: 0.25rem;
}

.stat-card span {
    color: var(--muted);
    line-height: 1.8;
    font-size: 0.96rem;
}

.content-section,
.highlight-section,
.install-section,
.faq-section {
    position: relative;
    padding: 5rem 0;
    color: #08212d;
}

.section-heading {
    max-width: 40rem;
    margin: 0 auto 2.6rem;
    text-align: center;
}

.section-heading h2 {
    margin-bottom: 0.75rem;
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.2;
    font-weight: 800;
    color: #081b24;
}

.section-heading p {
    margin: 0;
    color: #516976;
    line-height: 1.9;
    font-size: 1rem;
}

.feature-card {
    height: 100%;
    padding: 1.7rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(9, 71, 99, 0.08);
    box-shadow: 0 20px 40px rgba(19, 52, 66, 0.06);
}

.feature-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(67, 214, 255, 0.16), rgba(23, 186, 241, 0.26));
    color: var(--accent-dark);
    font-size: 1.4rem;
}

.feature-card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: #081b24;
}

.feature-card p {
    margin: 0;
    color: #516976;
    line-height: 1.9;
}

.highlight-section {
    background:
        radial-gradient(circle at top right, rgba(67, 214, 255, 0.16), transparent 24%),
        linear-gradient(180deg, #eef8fd 0%, #f7fbff 100%);
}

.highlight-copy h2 {
    font-size: clamp(1.9rem, 3vw, 3rem);
    font-weight: 800;
    color: #081b24;
    margin-bottom: 1rem;
}

.highlight-copy p {
    color: #4e6672;
    line-height: 1.95;
    margin-bottom: 1.1rem;
}

.check-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-right: 1.8rem;
    margin-bottom: 0.8rem;
    color: #284554;
    line-height: 1.85;
}

.check-list li::before {
    content: "\f26e";
    font-family: "bootstrap-icons";
    position: absolute;
    right: 0;
    top: 0.15rem;
    color: var(--accent-dark);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.shot-card {
    margin: 0;
    padding: 0.9rem;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 26px 50px rgba(14, 52, 68, 0.09);
}

.shot-card img {
    display: block;
    width: 100%;
    border-radius: 22px;
}

.shot-card figcaption {
    padding: 1rem 0.4rem 0.2rem;
    color: #244353;
    font-weight: 700;
    text-align: center;
}

.screenshots-section {
    background: #f7fbff;
}

.screenshot-tile {
    width: 100%;
    padding: 0.9rem;
    border: 0;
    border-radius: 28px;
    background: #ffffff;
    box-shadow: 0 16px 42px rgba(17, 47, 61, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}

.screenshot-tile:hover,
.screenshot-tile:focus {
    transform: translateY(-3px);
    box-shadow: 0 24px 52px rgba(17, 47, 61, 0.12);
}

.screenshot-tile img {
    width: 100%;
    border-radius: 22px;
    display: block;
    margin-bottom: 0.85rem;
}

.screenshot-tile span {
    display: block;
    color: #173544;
    font-weight: 700;
}

.install-section {
    background:
        radial-gradient(circle at 80% 10%, rgba(67, 214, 255, 0.15), transparent 24%),
        linear-gradient(180deg, #08141c 0%, #0b1c26 100%);
    color: var(--text);
}

.install-section .section-heading h2,
.install-section .section-heading p {
    color: inherit;
}

.download-panel,
.install-steps {
    height: 100%;
    padding: 2rem;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
}

.download-panel h2,
.install-steps h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.9rem;
}

.download-panel p {
    color: var(--muted);
    line-height: 1.9;
    margin-bottom: 1.3rem;
}

.download-note {
    display: flex;
    gap: 0.85rem;
    margin-top: 1rem;
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.06);
    color: #d7ebf6;
}

.download-note i {
    color: var(--accent);
}

.step-list {
    display: grid;
    gap: 1rem;
}

.step-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.step-number {
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #08212d;
    font-weight: 800;
    font-size: 1.15rem;
}

.step-card h3 {
    margin: 0 0 0.35rem;
    font-size: 1.1rem;
    font-weight: 800;
}

.step-card p {
    margin: 0;
    color: #d1e5f0;
    line-height: 1.85;
}

.faq-section {
    background: #f2f8fc;
}

.custom-accordion .accordion-item {
    border: 0;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 12px 34px rgba(15, 47, 63, 0.08);
    margin-bottom: 1rem;
}

.custom-accordion .accordion-button {
    background: #fff;
    color: #0d2632;
    font-weight: 800;
    padding: 1.2rem 1.4rem;
}

.custom-accordion .accordion-button:not(.collapsed) {
    background: #fff;
    color: #0d2632;
    box-shadow: none;
}

.custom-accordion .accordion-body {
    color: #516976;
    line-height: 1.95;
    background: #fff;
}

.site-footer {
    background: #071219;
    color: rgba(255, 255, 255, 0.86);
    padding: 2rem 0 3rem;
}

.footer-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-box strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1.1rem;
}

.footer-box p {
    margin: 0;
    color: rgba(255, 255, 255, 0.66);
}

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.4rem;
}

.footer-actions a {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 700;
}

.screenshot-modal {
    background: rgba(7, 18, 25, 0.96);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
}

.screenshot-modal .modal-header {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.screenshot-modal .modal-body {
    text-align: center;
}

.screenshot-modal img {
    width: auto;
    max-width: 100%;
    max-height: 80vh;
    border-radius: 22px;
}

@media (max-width: 991.98px) {
    .hero-section {
        padding-top: 3rem;
    }

    .hero-visual,
    .phone-stack {
        min-height: 600px;
    }

    .phone-primary {
        width: 258px;
        height: 545px;
    }

    .phone-secondary,
    .phone-tertiary {
        width: 192px;
        height: 405px;
    }
}

@media (max-width: 767.98px) {
    .hero-meta > div {
        min-width: calc(50% - 0.5rem);
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual,
    .phone-stack {
        min-height: 520px;
    }

    .phone-primary {
        width: 220px;
        height: 464px;
    }

    .phone-secondary,
    .phone-tertiary {
        width: 160px;
        height: 337px;
    }
}

@media (max-width: 575.98px) {
    .hero-copy h1 {
        font-size: 2rem;
    }

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

    .hero-meta > div {
        min-width: 100%;
    }

    .phone-secondary {
        right: 0;
    }

    .phone-tertiary {
        left: 0;
    }

    .download-panel,
    .install-steps {
        padding: 1.4rem;
    }
}