:root {
    --bg: #071012;
    --bg-soft: #0b171b;
    --surface: rgba(15, 29, 34, 0.82);
    --surface-strong: #102027;
    --surface-light: rgba(255, 255, 255, 0.06);
    --line: rgba(214, 255, 245, 0.14);
    --line-strong: rgba(83, 232, 176, 0.36);
    --text: #f5fbf8;
    --muted: #a7b9b4;
    --muted-strong: #cce0da;
    --cyan: #42d8ff;
    --mint: #57e8ad;
    --green: #8cffc9;
    --amber: #ffc86b;
    --danger: #ff6b7a;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
    --shadow-strong: 0 34px 110px rgba(0, 0, 0, 0.48);
    --radius: 8px;
    --font: Tahoma, "Segoe UI", Arial, sans-serif;
}

* {
    box-sizing: border-box;
    min-width: 0;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    direction: ltr;
}

body {
    margin: 0;
    direction: rtl;
    font-family: var(--font);
    background:
        radial-gradient(circle at 88% 8%, rgba(87, 232, 173, 0.18), transparent 28rem),
        radial-gradient(circle at 4% 24%, rgba(66, 216, 255, 0.16), transparent 24rem),
        linear-gradient(180deg, #071012 0%, #09161a 44%, #061012 100%);
    color: var(--text);
    line-height: 1.8;
    overflow-x: hidden;
    max-width: 100vw;
}

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

button,
input {
    font: inherit;
}

svg {
    flex: 0 0 auto;
}

.container {
    width: min(1140px, calc(100% - 32px));
    max-width: 100%;
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(22px);
    background: rgba(7, 16, 18, 0.82);
    border-bottom: 1px solid var(--line);
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    letter-spacing: 0;
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(87, 232, 173, 0.48);
    background: linear-gradient(135deg, rgba(66, 216, 255, 0.16), rgba(87, 232, 173, 0.18));
    border-radius: var(--radius);
    color: var(--green);
    box-shadow: 0 0 30px rgba(87, 232, 173, 0.12);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-size: 14px;
}

.nav-links a {
    transition: color 180ms ease;
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 0 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 0;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(140, 255, 201, 0.58);
    outline-offset: 3px;
}

.button.primary {
    color: #041613;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    box-shadow: 0 18px 46px rgba(87, 232, 173, 0.22);
}

.button.primary:hover {
    box-shadow: 0 22px 58px rgba(87, 232, 173, 0.3);
}

.button.ghost {
    color: var(--text);
    background: rgba(255, 255, 255, 0.045);
    border-color: var(--line);
}

.button-large {
    min-height: 58px;
    padding-inline: 26px;
    font-size: 16px;
}

.hero {
    min-height: calc(100vh - 72px);
    display: grid;
    align-items: center;
    padding: 76px 0 56px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
    align-items: center;
    gap: 62px;
}

.hero-copy {
    max-width: 690px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(40px, 6vw, 76px);
    line-height: 1.12;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.hero p {
    max-width: 650px;
    margin: 22px 0 0;
    color: var(--muted-strong);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.hero-checks {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-checks li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 4px 12px;
    color: #eafff7;
    background: rgba(255, 255, 255, 0.052);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 800;
}

.hero-checks li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 5px rgba(87, 232, 173, 0.12);
}

.privacy-note {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    max-width: 620px;
    color: var(--muted);
    font-size: 13px !important;
}

.privacy-note svg {
    color: var(--amber);
}

.phone-stage {
    position: relative;
    min-height: 590px;
    display: grid;
    place-items: center;
}

.phone-stage::before {
    content: "";
    position: absolute;
    width: 72%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(87, 232, 173, 0.18), transparent 68%);
    filter: blur(8px);
}

.phone {
    position: relative;
    width: min(350px, 100%);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 34px;
    padding: 14px;
    background: linear-gradient(180deg, #172a31, #060d0f);
    box-shadow: var(--shadow-strong);
    animation: float 5s ease-in-out infinite;
}

.phone-screen {
    min-height: 545px;
    border-radius: 24px;
    padding: 20px;
    overflow: hidden;
    background:
        radial-gradient(circle at 25% 12%, rgba(66, 216, 255, 0.2), transparent 9rem),
        linear-gradient(180deg, #102129, #071012);
}

.phone-top {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 22px;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 900;
}

.chat-line {
    display: flex;
    gap: 10px;
    margin: 14px 0;
}

.chat-line.user {
    justify-content: flex-end;
}

.bubble {
    max-width: 82%;
    padding: 12px 14px;
    border-radius: 8px;
    color: #eaf8ff;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    line-height: 1.75;
}

.user .bubble {
    color: #041613;
    background: linear-gradient(135deg, var(--green), var(--cyan));
}

.tool-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 28px;
}

.tool-tile {
    min-height: 86px;
    padding: 10px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
}

.tool-tile strong,
.tool-tile span {
    display: block;
}

.tool-tile strong {
    color: var(--text);
    margin-top: 5px;
}

.section {
    padding: 84px 0;
}

.section-title {
    max-width: 760px;
}

.section-title.centered {
    margin-inline: auto;
    text-align: center;
}

.section-title h2 {
    margin: 0;
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1.28;
}

.section-title p {
    color: var(--muted);
    margin: 14px 0 0;
}

.value-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent);
}

.features-grid {
    margin-top: 36px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-card,
.faq-item,
.trust-panel,
.install-cta,
.steps-list li,
.auth-card,
.success-card {
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.feature-card,
.faq-item {
    padding: 22px;
}

.feature-card {
    min-height: 230px;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    background: rgba(16, 35, 40, 0.88);
}

.feature-card svg,
.auth-logo svg {
    color: var(--green);
}

.feature-card h3,
.faq-item h3 {
    margin: 14px 0 8px;
    font-size: 18px;
    line-height: 1.45;
}

.feature-card p,
.faq-item p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.trust-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    gap: 34px;
    align-items: center;
    padding: 34px;
    background:
        radial-gradient(circle at 18% 12%, rgba(255, 200, 107, 0.12), transparent 18rem),
        rgba(15, 29, 34, 0.82);
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.trust-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 74px;
    padding: 14px 16px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid var(--line);
}

.trust-item strong {
    color: var(--amber);
    font-size: 20px;
}

.trust-item span {
    color: var(--muted);
    text-align: left;
}

.install-grid {
    display: grid;
    grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
    gap: 20px;
    align-items: stretch;
}

.install-cta {
    padding: 32px;
    background:
        linear-gradient(135deg, rgba(87, 232, 173, 0.15), rgba(66, 216, 255, 0.07)),
        var(--surface);
    border-color: var(--line-strong);
}

.install-cta h2 {
    margin: 0;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.24;
}

.install-cta p {
    margin: 16px 0 24px;
    color: var(--muted-strong);
}

.download-meta {
    display: block;
    margin-top: 14px;
    color: var(--muted);
    font-size: 13px;
}

.steps-list {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.steps-list li {
    counter-increment: step;
    position: relative;
    padding: 18px 66px 18px 18px;
}

.steps-list li::before {
    content: counter(step);
    position: absolute;
    right: 18px;
    top: 18px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(87, 232, 173, 0.14);
    color: var(--green);
    border: 1px solid var(--line-strong);
    font-weight: 900;
}

.steps-list strong,
.steps-list span {
    display: block;
}

.steps-list strong {
    line-height: 1.45;
}

.steps-list span {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.faq-layout {
    display: grid;
    grid-template-columns: 0.72fr 1fr;
    gap: 34px;
}

.faq-grid {
    display: grid;
    gap: 14px;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 28px 0;
    color: var(--muted);
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 20px;
    align-items: center;
}

.footer-grid p {
    margin: 4px 0 0;
}

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px 0;
}

.auth-shell {
    width: min(1080px, calc(100% - 32px));
    display: grid;
    grid-template-columns: 0.9fr 1fr;
    gap: 28px;
    align-items: stretch;
}

.auth-card,
.success-card {
    padding: 28px;
}

.auth-card h1,
.success-card h1 {
    margin: 28px 0 8px;
    font-size: clamp(28px, 5vw, 42px);
    line-height: 1.25;
}

.auth-card p,
.success-card p {
    color: var(--muted);
    margin: 0 0 22px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.field {
    display: grid;
    gap: 7px;
}

.field.full {
    grid-column: 1 / -1;
}

.field label {
    color: #d9e7f4;
    font-size: 13px;
    font-weight: 800;
}

.field input {
    width: 100%;
    min-height: 48px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    padding: 0 14px;
    outline: none;
}

.field input:focus {
    border-color: rgba(66, 216, 255, 0.65);
    box-shadow: 0 0 0 3px rgba(66, 216, 255, 0.12);
}

.error {
    color: var(--danger);
    font-size: 12px;
}

.alert {
    padding: 12px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    color: #ffd6dc;
    background: rgba(255, 107, 122, 0.1);
    border: 1px solid rgba(255, 107, 122, 0.22);
}

.device-panel {
    padding: 26px;
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03)),
        radial-gradient(circle at top, rgba(66, 216, 255, 0.16), transparent 18rem);
    border: 1px solid var(--line);
}

.device-panel dl {
    display: grid;
    gap: 12px;
    margin: 22px 0 0;
}

.device-panel div {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.device-panel dt {
    color: var(--muted);
}

.device-panel dd {
    margin: 0;
    text-align: left;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@media (max-width: 980px) {
    .nav-links {
        display: none;
    }

    .hero-grid,
    .trust-panel,
    .install-grid,
    .faq-layout,
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

    .phone-stage {
        min-height: auto;
        order: -1;
    }

    .phone {
        width: min(330px, 100%);
    }

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

    .section-title.centered {
        text-align: right;
        margin-inline: 0;
    }
}

@media (max-width: 640px) {
    .container {
        width: 100%;
        padding-inline: 11px;
    }

    .nav {
        min-height: 66px;
        gap: 12px;
    }

    .nav-cta {
        padding-inline: 12px;
        font-size: 13px;
    }

    .brand {
        font-size: 15px;
        max-width: 86px;
        overflow: hidden;
    }

    .brand-mark {
        display: none;
    }

    .hero {
        padding: 34px 0 44px;
    }

    .hero-grid {
        gap: 34px;
    }

    .hero h1 {
        font-size: clamp(24px, 7vw, 28px);
        text-align: center;
        overflow-wrap: anywhere;
        word-break: normal;
        padding-right: 64px;
        padding-left: 28px;
    }

    .hero p {
        font-size: 15px;
        text-align: center;
        overflow-wrap: anywhere;
        padding-right: 54px;
        padding-left: 24px;
    }

    .hero-actions,
    .hero-actions .button,
    .install-cta .button {
        width: 100%;
    }

    .button-large {
        min-height: 56px;
        padding-inline: 16px;
    }

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

    .hero-checks li,
    .privacy-note {
        justify-content: center;
        text-align: center;
    }

    .phone-stage {
        display: none;
    }

    .features-grid,
    .form-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 58px 0;
    }

    .section-title h2,
    .section-title p {
        text-align: center;
        padding-right: 54px;
        padding-left: 24px;
    }

    .feature-card {
        min-height: auto;
    }

    .trust-panel,
    .install-cta,
    .auth-card,
    .success-card,
    .device-panel {
        padding: 20px;
    }

    .trust-item {
        display: grid;
        justify-items: start;
    }

    .trust-item span {
        text-align: right;
    }

    .footer-cta {
        width: 100%;
    }
}

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