:root {
    --kt-bg: #ffffff;
    --kt-surface: #ffffff;
    --kt-surface-soft: #f6faf9;
    --kt-text: #17313a;
    --kt-muted: #667982;
    --kt-border: #dfe9e7;
    --kt-green: #2f8f6f;
    --kt-green-dark: #246f57;
    --kt-green-soft: #e9f6f1;
    --kt-blue: #2e6f9e;
    --kt-blue-dark: #24587d;
    --kt-blue-soft: #edf5fb;
    --kt-shadow: 0 18px 48px rgba(26, 71, 75, 0.09);
    --kt-shadow-soft: 0 10px 30px rgba(26, 71, 75, 0.06);
    --kt-radius: 22px;
    --kt-radius-sm: 14px;
    --kt-transition: 180ms ease;
}

html[data-theme="dark"] {
    --kt-bg: #0d171c;
    --kt-surface: #132127;
    --kt-surface-soft: #101d22;
    --kt-text: #edf6f5;
    --kt-muted: #a7b8bc;
    --kt-border: #294049;
    --kt-green: #63c39d;
    --kt-green-dark: #7bd3b0;
    --kt-green-soft: #17372d;
    --kt-blue: #78b6df;
    --kt-blue-dark: #96c8e8;
    --kt-blue-soft: #172f40;
    --kt-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
    --kt-shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--kt-bg);
    color: var(--kt-text);
    font-family: Vazir,Tahoma, "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.9;
    transition: background-color var(--kt-transition), color var(--kt-transition);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
}

a:hover {
    color: inherit;
}

::selection {
    background: var(--kt-green-soft);
    color: var(--kt-text);
}

.skip-link {
    position: fixed;
    top: -80px;
    right: 16px;
    z-index: 2000;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--kt-text);
    color: var(--kt-bg);
    text-decoration: none;
    transition: top var(--kt-transition);
}

.skip-link:focus {
    top: 12px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    border-bottom: 1px solid rgba(119, 148, 150, 0.18);
    background: color-mix(in srgb, var(--kt-bg) 92%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.navbar {
    min-height: 74px;
}

.navbar-toggler {
    border-color: var(--kt-border);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 .2rem rgba(47, 143, 111, 0.14);
}

html[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--kt-text);
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.3px;
}

.brand-dot {
    width: 18px;
    height: 18px;
    border-radius: 7px 7px 7px 2px;
    background: linear-gradient(135deg, var(--kt-green), var(--kt-blue));
    box-shadow: 0 5px 16px rgba(47, 143, 111, 0.28);
}

.nav-link {
    color: var(--kt-muted);
    font-weight: 600;
    padding: .7rem .85rem !important;
    transition: color var(--kt-transition);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--kt-green);
}

.btn-theme,
.btn-primary-soft {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 12px;
    font-weight: 700;
}

.btn-theme {
    gap: 8px;
    border: 1px solid var(--kt-border);
    background: var(--kt-surface);
    color: var(--kt-text);
}

.btn-theme:hover,
.btn-theme:focus {
    border-color: var(--kt-green);
    background: var(--kt-green-soft);
    color: var(--kt-text);
}

.theme-icon {
    font-size: 1.15rem;
    line-height: 1;
}

.btn-primary-soft {
    border: 1px solid transparent;
    background: var(--kt-green-soft);
    color: var(--kt-green-dark);
    text-decoration: none;
    padding-inline: 16px;
}

.btn-primary-soft:hover {
    background: var(--kt-green);
    color: #fff;
}

.hero-section {
    position: relative;
    overflow: hidden;
    padding: 86px 0 74px;
    background:
        radial-gradient(circle at 90% 5%, rgba(47, 143, 111, 0.12), transparent 26%),
        radial-gradient(circle at 10% 80%, rgba(46, 111, 158, 0.10), transparent 24%);
}

.hero-content {
    max-width: 760px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--kt-green-dark);
    font-size: .9rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.eyebrow::before {
    content: "";
    width: 24px;
    height: 3px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--kt-green), var(--kt-blue));
}

.hero-section h1 {
    margin: 0 0 20px;
    color: var(--kt-text);
    font-size: clamp(2.25rem, 5vw, 4.6rem);
    line-height: 1.25;
    font-weight: 900;
    letter-spacing: -1.4px;
}

.text-accent {
    color: var(--kt-green);
}

.hero-lead {
    max-width: 690px;
    margin-bottom: 28px;
    color: var(--kt-muted);
    font-size: clamp(1.03rem, 1.6vw, 1.2rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 26px;
}

.btn-ketamooz,
.btn-outline-ketamooz {
    min-width: 150px;
    border-radius: 14px;
    padding: 12px 22px;
    font-weight: 800;
}

.btn-ketamooz {
    border-color: var(--kt-green);
    background: var(--kt-green);
    color: #fff;
    box-shadow: 0 12px 26px rgba(47, 143, 111, 0.18);
}

.btn-ketamooz:hover,
.btn-ketamooz:focus {
    border-color: var(--kt-green-dark);
    background: var(--kt-green-dark);
    color: #fff;
}

.btn-outline-ketamooz {
    border: 1px solid var(--kt-border);
    background: var(--kt-surface);
    color: var(--kt-text);
}

.btn-outline-ketamooz:hover,
.btn-outline-ketamooz:focus {
    border-color: var(--kt-blue);
    background: var(--kt-blue-soft);
    color: var(--kt-blue-dark);
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    color: var(--kt-muted);
    font-size: .92rem;
    font-weight: 600;
}

.hero-points span {
    position: relative;
    padding-right: 18px;
}

.hero-points span::before {
    content: "";
    position: absolute;
    top: .7em;
    right: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--kt-green);
}

.hero-panel {
    padding: 26px;
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius);
    background: linear-gradient(145deg, var(--kt-surface), var(--kt-surface-soft));
    box-shadow: var(--kt-shadow);
}

.panel-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.panel-kicker {
    color: var(--kt-muted);
    font-size: .82rem;
    font-weight: 700;
}

.panel-top h2 {
    margin: 5px 0 0;
    color: var(--kt-text);
    font-size: 1.2rem;
    line-height: 1.7;
    font-weight: 850;
}

.status-badge {
    flex: 0 0 auto;
    border-radius: 999px;
    background: var(--kt-green-soft);
    color: var(--kt-green-dark);
    padding: 7px 10px;
    font-size: .76rem;
    font-weight: 800;
}

.learning-card {
    margin-bottom: 16px;
    padding: 18px;
    border: 1px solid var(--kt-border);
    border-radius: 16px;
    background: var(--kt-surface);
}

.learning-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.learning-card-head span {
    color: var(--kt-text);
    font-weight: 800;
}

.learning-card-head strong {
    color: var(--kt-blue);
    font-size: .9rem;
}

.learning-progress {
    height: 8px;
    margin-bottom: 12px;
    background: var(--kt-border);
}

.learning-progress .progress-bar {
    background: linear-gradient(90deg, var(--kt-green), var(--kt-blue));
}

.learning-card small {
    color: var(--kt-muted);
    font-size: .82rem;
}

.mini-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mini-stat {
    padding: 14px 10px;
    border: 1px solid var(--kt-border);
    border-radius: 14px;
    background: var(--kt-surface);
    text-align: center;
}

.mini-stat span,
.mini-stat strong {
    display: block;
}

.mini-stat span {
    margin-bottom: 3px;
    color: var(--kt-muted);
    font-size: .76rem;
}

.mini-stat strong {
    color: var(--kt-text);
    font-size: .9rem;
}

.section-space {
    padding: 84px 0;
}

.section-soft {
    border-block: 1px solid var(--kt-border);
    background: var(--kt-surface-soft);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-heading h2 {
    margin: 0 0 12px;
    color: var(--kt-text);
    font-size: clamp(1.7rem, 3vw, 2.45rem);
    line-height: 1.5;
    font-weight: 900;
    letter-spacing: -.5px;
}

.section-heading p {
    margin: 0;
    color: var(--kt-muted);
    font-size: 1rem;
}

.feature-card,
.path-card {
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius-sm);
    background: var(--kt-surface);
    box-shadow: var(--kt-shadow-soft);
}

.feature-card {
    padding: 26px;
}

.feature-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 18px;
    border-radius: 12px;
    background: var(--kt-blue-soft);
    color: var(--kt-blue-dark);
    font-weight: 900;
}

.feature-card h3,
.path-card h3 {
    color: var(--kt-text);
    font-weight: 850;
}

.feature-card h3 {
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.feature-card p,
.path-card p {
    margin-bottom: 0;
    color: var(--kt-muted);
    font-size: .93rem;
}

.path-card {
    display: block;
    height: 100%;
    padding: 24px;
    text-decoration: none;
    transition:
        transform var(--kt-transition),
        border-color var(--kt-transition),
        box-shadow var(--kt-transition);
}

.path-card:hover,
.path-card:focus {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--kt-green) 55%, var(--kt-border));
    box-shadow: var(--kt-shadow);
}

.path-type {
    display: inline-block;
    margin-bottom: 16px;
    border-radius: 999px;
    background: var(--kt-green-soft);
    color: var(--kt-green-dark);
    padding: 5px 10px;
    font-size: .74rem;
    font-weight: 800;
}

.path-card h3 {
    min-height: 54px;
    margin-bottom: 10px;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: 1.05rem;
    line-height: 1.5;
}

.path-card p {
    min-height: 86px;
}

.path-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--kt-blue);
    font-size: .88rem;
    font-weight: 800;
}

.download-box {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
    gap: 34px;
    align-items: center;
    padding: 40px;
    border: 1px solid var(--kt-border);
    border-radius: calc(var(--kt-radius) + 4px);
    background:
        linear-gradient(135deg, rgba(47, 143, 111, 0.10), rgba(46, 111, 158, 0.08)),
        var(--kt-surface);
    box-shadow: var(--kt-shadow);
}

.download-box h2 {
    margin: 0 0 12px;
    color: var(--kt-text);
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    line-height: 1.55;
    font-weight: 900;
}

.download-box p {
    margin: 0;
    color: var(--kt-muted);
}

.download-actions {
    display: grid;
    gap: 10px;
}

.store-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 66px;
    padding: 10px 16px;
    border: 1px solid var(--kt-border);
    border-radius: 14px;
    background: var(--kt-surface);
    color: var(--kt-text);
    text-decoration: none;
    transition:
        border-color var(--kt-transition),
        transform var(--kt-transition);
}

.store-button:hover,
.store-button:focus {
    transform: translateY(-2px);
    border-color: var(--kt-blue);
}

.store-button span {
    color: var(--kt-muted);
    font-size: .82rem;
}

.store-button strong {
    font-size: 1rem;
    font-weight: 900;
}

.store-button-primary {
    border-color: var(--kt-green);
    background: var(--kt-green);
    color: #fff;
}

.store-button-primary span {
    color: rgba(255, 255, 255, .8);
}

.store-button-primary:hover,
.store-button-primary:focus {
    border-color: var(--kt-green-dark);
    background: var(--kt-green-dark);
    color: #fff;
}

.site-footer {
    padding: 46px 0 24px;
    border-top: 1px solid var(--kt-border);
    background: var(--kt-surface-soft);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .6fr;
    gap: 32px;
    padding-bottom: 30px;
}

.footer-brand {
    margin-bottom: 12px;
}

.footer-description {
    max-width: 560px;
    margin: 0;
    color: var(--kt-muted);
    font-size: .9rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.footer-links a {
    color: var(--kt-muted);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 600;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--kt-green);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--kt-border);
    color: var(--kt-muted);
    font-size: .8rem;
}

html[data-theme="dark"] .site-header {
    background: rgba(13, 23, 28, 0.90);
}

html[data-theme="dark"] .btn-ketamooz,
html[data-theme="dark"] .store-button-primary {
    color: #0b1715;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 12px;
        padding: 12px;
        border: 1px solid var(--kt-border);
        border-radius: 14px;
        background: var(--kt-surface);
        box-shadow: var(--kt-shadow-soft);
    }

    .hero-section {
        padding-top: 58px;
    }

    .download-box {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 15px;
    }

    .navbar {
        min-height: 66px;
    }

    .hero-section {
        padding: 48px 0 54px;
    }

    .hero-section h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-points {
        display: grid;
        gap: 8px;
    }

    .hero-panel {
        padding: 20px;
    }

    .panel-top {
        display: block;
    }

    .status-badge {
        display: inline-block;
        margin-top: 12px;
    }

    .mini-stat-grid {
        grid-template-columns: 1fr;
    }

    .section-space {
        padding: 62px 0;
    }

    .path-card h3,
    .path-card p {
        min-height: 0;
    }

    .download-box {
        padding: 26px 20px;
    }

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

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

@media (max-width: 420px) {
    .container {
        padding-right: 18px;
        padding-left: 18px;
    }

    .brand-mark {
        font-size: 1.12rem;
    }

    .btn-theme {
        min-width: 42px;
        padding-inline: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}