:root {
    --primary: #243447;
    --primary-2: #1e3a8a;
    --accent: #2f80ed;
    --coral: #f26d5b;
    --amber: #f4b942;
    --violet: #7467d1;
    --cyan: #1c9fd1;
    --green: #40a66b;
    --ink: #17212b;
    --muted: #687789;
    --line: #dfe7ee;
    --surface: #ffffff;
    --soft: #f5f8fb;
    --shadow: 0 20px 45px rgba(25, 43, 60, 0.12);
    --radius: 8px;
    --transition: 180ms ease;
    /* Typographic and Spacing Scaling variables */
    --logo-height: 38px;
    --brand-size: 22px;
    --nav-height: 74px;
    --grid-gap: 22px;
    --card-padding: 28px;
    --section-padding: 86px 24px;
    --hero-padding: 72px 24px 76px;
    --h1-size: clamp(42px, 6vw, 76px);
    --h2-size: clamp(30px, 4vw, 46px);
    --h3-size: 24px;
    --body-size: 17px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", Arial, sans-serif;
    color: var(--ink);
    background: var(--surface);
    overflow-x: hidden;
}

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

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

button,
input,
textarea {
    font: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(223, 231, 238, 0.8);
    backdrop-filter: blur(14px);
}

.navbar {
    max-width: 1180px;
    height: var(--nav-height);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: "Space Grotesk", Arial, sans-serif;
    font-weight: 800;
    font-size: var(--brand-size, 22px);
    color: var(--primary);
    transition: font-size var(--transition);
}

.brand-logo {
    height: 65px;
    width: auto;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
    transition: height var(--transition);
}
    /* Hover vəziyyətində */
    .brand-logo:hover {
        height: 70px;
    }

/* Mobil cihazlarda */
@media (max-width: 768px) {
    .brand-logo {
        height: 55px;
    }
}

.brand-text {
    display: inline-block;
    vertical-align: middle;
}

@media (max-width: 500px) {
    .brand-text {
        display: none;
    }
}

.nav-links,
.nav-actions {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
    color: var(--muted);
    font-weight: 700;
    font-size: 14px;
}

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

        .nav-links a:hover {
            color: var(--primary-2);
        }

.nav-actions {
    gap: 10px;
}

.profile-menu {
    position: relative;
}

.profile-trigger {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--primary);
    padding: 0 12px;
    cursor: pointer;
    font-weight: 900;
}

.profile-avatar {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
}

.profile-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: 260px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
}

    .profile-dropdown strong,
    .profile-dropdown span {
        display: block;
    }

    .profile-dropdown strong {
        color: var(--primary);
        margin-bottom: 5px;
    }

    .profile-dropdown span {
        color: var(--muted);
        font-weight: 700;
        margin-bottom: 10px;
    }

    .profile-dropdown .btn {
        width: 100%;
        margin-top: 4px;
    }

body.dashboard-mode .nav-links,
body.dashboard-mode .nav-actions,
body.dashboard-mode .menu-toggle,
body.dashboard-mode .mobile-menu,
body.dashboard-mode .side-rail {
    display: none;
}

.btn {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 0 18px;
    cursor: pointer;
    font-weight: 800;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

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

.btn-primary {
    background: var(--accent);
    width: 100%;
    color: #fff;
    box-shadow: 0 12px 24px rgba(47, 128, 237, 0.22);
}

    .btn-primary:hover {
        background: #1b6eca;
    }

.btn-ghost {
    background: #fff;
    width: 100%;
    color: var(--primary);
    border-color: var(--line);
}

.btn-outline {
    width: 100%;
    color: var(--primary-2);
    background: #fff;
    border-color: var(--primary-2);
}

    .btn-outline:hover {
        color: #fff;
        background: var(--primary-2);
    }

.btn-large {
    min-height: 50px;
    padding: 0 24px;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 10px;
    cursor: pointer;
}

    .menu-toggle span {
        display: block;
        height: 2px;
        margin: 5px 0;
        background: var(--primary);
        transition: transform var(--transition), opacity var(--transition);
    }

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

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

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

.mobile-menu {
    display: none;
    border-top: 1px solid var(--line);
    padding: 12px 24px 22px;
    background: #fff;
}

    .mobile-menu.active {
        display: grid;
        gap: 4px;
    }

    .mobile-menu a {
        padding: 13px 0;
        color: var(--primary);
        font-weight: 800;
    }

.mobile-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 8px;
}

.side-rail {
    position: fixed;
    right: 18px;
    top: 45%;
    z-index: 500;
    display: grid;
    gap: 10px;
}

    .side-rail a {
        width: 38px;
        height: 38px;
        display: grid;
        place-items: center;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: #fff;
        color: var(--primary);
        font-weight: 800;
        box-shadow: 0 8px 18px rgba(36, 52, 71, 0.08);
        transform: translateX(0) rotate(0deg);
        transition: transform 220ms ease, background 220ms ease, color 220ms ease, box-shadow 220ms ease;
    }

        .side-rail a span {
            display: block;
            transition: transform 220ms ease;
        }

        .side-rail a:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 16px 28px rgba(26, 188, 156, 0.3);
            transform: translateX(-8px) rotate(-4deg);
        }

            .side-rail a:hover span {
                transform: scale(1.12);
            }

.hero {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - var(--nav-height));
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 72px calc((100vw - 1180px) / 2 + 24px) 76px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
    gap: 54px;
    align-items: center;
    background: radial-gradient(circle at 85% 20%, rgba(244, 185, 66, 0.04), transparent 45%), radial-gradient(circle at 15% 80%, rgba(47, 128, 237, 0.04), transparent 45%), linear-gradient(rgba(47, 128, 237, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 128, 237, 0.02) 1px, transparent 1px), #f8faff;
    background-size: 100% 100%, 100% 100%, 36px 36px, 36px 36px;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-content,
.hero-media {
    position: relative;
    z-index: 1;
}

    .hero-content h1,
    .section-header h2 {
        font-family: "Space Grotesk", Arial, sans-serif;
        letter-spacing: 0;
        color: var(--primary);
    }

    .hero-content h1 {
        margin: 0;
        max-width: 720px;
        font-size: var(--h1-size);
        line-height: 1.02;
    }

.eyebrow {
    margin: 0 0 14px;
    color: var(--primary-2);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 12px;
}

.hero-copy {
    max-width: 620px;
    margin: 22px 0 30px;
    color: var(--muted);
    font-size: var(--body-size);
    line-height: 1.7;
}

.hero-actions,
.hero-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-metrics {
    margin-top: 34px;
    gap: 34px;
}

    .hero-metrics div {
        display: grid;
        gap: 4px;
    }

    .hero-metrics strong {
        font-size: 28px;
        color: var(--ink);
    }

    .hero-metrics span {
        color: var(--muted);
        font-weight: 700;
    }

.hero-media {
    position: relative;
    min-height: 560px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

    .hero-media::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(36, 52, 71, 0.08), rgba(36, 52, 71, 0.35));
    }

    .hero-media img {
        width: 100%;
        height: 100%;
        min-height: 560px;
        object-fit: cover;
    }

.learning-panel {
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 22px;
    z-index: 2;
    padding: 18px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 16px 36px rgba(23, 33, 43, 0.18);
}

    .panel-label,
    .learning-panel small {
        color: var(--muted);
        font-weight: 700;
    }

    .learning-panel strong {
        display: block;
        margin: 6px 0 14px;
        color: var(--primary);
        font-size: 20px;
    }

.progress-track {
    height: 9px;
    border-radius: 99px;
    background: #e7eef4;
    overflow: hidden;
    margin-bottom: 10px;
}

    .progress-track span {
        display: block;
        height: 100%;
        border-radius: inherit;
        background: var(--accent);
    }

.section {
    padding: var(--section-padding);
}

.section-header {
    max-width: 720px;
    margin: 0 auto 42px;
    text-align: center;
}

    .section-header.align-left {
        margin: 0;
        text-align: left;
    }

    .section-header h2 {
        margin: 0 0 14px;
        font-size: var(--h2-size);
        line-height: 1.12;
    }

    .section-header p:not(.eyebrow) {
        margin: 0;
        color: var(--muted);
        font-size: var(--body-size);
        line-height: 1.7;
    }

.course-grid,
.pricing-grid,
.about-grid,
.contact-layout {
    max-width: 1180px;
    margin: 0 auto;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gap);
}

.course-card,
.pricing-card,
.about-card {
    border-radius: var(--radius);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.course-card {
    min-height: 260px;
    padding: var(--card-padding);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--ink);
    background: #ffffff;
    border: 1px solid var(--line);
    border-top: 4px solid var(--primary-2);
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 12px rgba(36, 52, 71, 0.03);
}

    .course-card::after {
        display: none;
    }

    .course-card:hover,
    .pricing-card:hover,
    .about-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow);
    }

    .course-card h3 {
        position: relative;
        margin: 14px 0 8px;
        font-family: "Space Grotesk", Arial, sans-serif;
        font-size: 20px;
        color: var(--primary);
    }

    .course-card p {
        position: relative;
        margin: 0;
        line-height: 1.6;
        color: var(--muted);
        font-size: 14px;
    }

.course-step {
    position: relative;
    align-self: flex-start;
    padding: 5px 10px;
    border-radius: var(--radius);
    background: var(--soft);
    color: var(--primary);
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--line);
}

.course-topics {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    font-weight: 700;
    font-size: 11px;
}

    .course-topics span {
        padding: 4px 8px;
        background: var(--soft);
        border: 1px solid var(--line);
        border-radius: 4px;
        color: var(--muted);
    }

.courses {
    background: linear-gradient(180deg, #f5f8fc 0%, #e9eff6 100%);
}

.pricing {
    background: linear-gradient(180deg, #ffffff 0%, #edf4fc 100%);
}

.about {
    background: #ffffff;
}

.contact {
    background: radial-gradient(circle at 10% 90%, rgba(116, 103, 209, 0.08), transparent 35%), radial-gradient(circle at 90% 10%, rgba(26, 188, 156, 0.08), transparent 35%), #f8fafc;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    align-items: stretch;
}

.pricing-card {
    position: relative;
    padding: var(--card-padding);
    background: linear-gradient(180deg, #fff, #f7fbff);
    border: 1px solid var(--line);
}

    .pricing-card.featured {
        border: 2px solid var(--accent);
    }

.badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 6px 10px;
    border-radius: var(--radius);
    background: rgba(26, 188, 156, 0.12);
    color: var(--primary-2);
    font-weight: 900;
    font-size: 12px;
    text-transform: uppercase;
}

.pricing-card h3 {
    margin: 0 0 16px;
    font-family: "Space Grotesk", Arial, sans-serif;
    color: var(--primary);
    font-size: 26px;
}

.price {
    margin: 0 0 24px;
    color: var(--primary);
    font-size: 54px;
    font-weight: 900;
}

    .price span {
        font-size: 26px;
    }

    .price small {
        color: var(--muted);
        font-size: 16px;
    }

.pricing-card ul {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
}

.pricing-card li {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-weight: 700;
}

    .pricing-card li::before {
        content: "✓";
        color: var(--accent);
        margin-right: 10px;
    }

    .pricing-card li.muted {
        color: var(--muted);
    }

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
}

.about-card {
    padding: var(--card-padding);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, #fff, #f6fbff);
}

    .about-card span {
        font-size: 34px;
    }

    .about-card h3 {
        margin: 18px 0 10px;
        font-family: "Space Grotesk", Arial, sans-serif;
        color: var(--primary);
        font-size: 20px;
    }

    .about-card p {
        margin: 0;
        color: var(--muted);
        line-height: 1.6;
    }

.contact-layout {
    display: grid;
    grid-template-columns: 0.8fr 1fr;
    gap: 54px;
    align-items: start;
}

.contact-form,
.auth-form {
    display: grid;
    gap: 18px;
}

.contact-form {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

label {
    display: grid;
    gap: 8px;
    color: var(--primary);
    font-weight: 800;
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 13px 14px;
    color: var(--ink);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

textarea {
    resize: vertical;
}

    input:focus,
    textarea:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 4px rgba(26, 188, 156, 0.14);
    }

.footer {
    padding: 58px 24px 24px;
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.14), transparent 34%), linear-gradient(180deg, #203144 0%, #142231 100%);
    color: #fff;
}

.footer-inner,
.footer-bottom {
    max-width: 1180px;
    margin: 0 auto;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1fr;
    gap: 42px;
    align-items: start;
    padding-bottom: 38px;
}

.footer-logo {
    color: #fff;
}

.footer-brand p {
    max-width: 420px;
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.footer h3 {
    margin: 0 0 15px;
    font-family: "Space Grotesk", Arial, sans-serif;
    font-size: 17px;
}

.footer-links a,
.footer-bottom a {
    display: block;
    color: rgba(255, 255, 255, 0.68);
    font-weight: 700;
    margin: 10px 0;
    transition: color var(--transition), transform var(--transition);
}

    .footer-links a:hover,
    .footer-bottom a:hover {
        color: #fff;
        transform: translateX(3px);
    }

.footer-newsletter {
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
}

    .footer-newsletter form {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 10px;
    }

    .footer-newsletter input {
        border-color: rgba(255, 255, 255, 0.18);
        background: rgba(255, 255, 255, 0.95);
    }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

    .footer-bottom p {
        margin: 0;
        color: rgba(255, 255, 255, 0.62);
    }

    .footer-bottom div {
        display: flex;
        gap: 18px;
    }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 22px;
    background: rgba(23, 33, 43, 0.64);
    backdrop-filter: blur(8px);
}

    .modal.active {
        display: flex;
    }

.modal-content {
    width: min(440px, 100%);
    max-height: calc(100vh - 44px);
    overflow: auto;
    padding: 28px;
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
    animation: modalIn 180ms ease;
}

.payment-modal {
    width: min(500px, 100%);
}

.notice-modal {
    width: min(460px, 100%);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

    .modal-header h2 {
        margin: 0;
        font-family: "Space Grotesk", Arial, sans-serif;
        color: var(--primary);
    }

.close-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--primary);
    cursor: pointer;
    font-size: 26px;
    line-height: 1;
}

.auth-form p {
    margin: 0;
    color: var(--muted);
    text-align: center;
}

.notice-copy {
    margin: 0 0 22px;
    color: var(--muted);
    line-height: 1.7;
}

.notice-action {
    width: 100%;
}

.dashboard-page {
    min-height: calc(100vh - 74px);
    padding: 44px 24px 72px;
    background: var(--soft);
}

.dashboard-content {
    width: min(1120px, 100%);
    margin: auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 22px;
}

    .dashboard-header .eyebrow {
        margin-bottom: 8px;
    }

.dashboard-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 22px;
    min-height: 560px;
}

.certificate-card {
    display: flex;
    justify-content: space-between;
    gap: 22px;
    align-items: center;
    margin-bottom: 22px;
    padding: 24px;
    border: 1px solid rgba(26, 188, 156, 0.35);
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.15), #fff 62%);
    box-shadow: 0 16px 32px rgba(36, 52, 71, 0.08);
}

    .certificate-card h3 {
        margin: 0 0 8px;
        font-family: "Space Grotesk", Arial, sans-serif;
        color: var(--primary);
    }

    .certificate-card p:not(.eyebrow) {
        margin: 0;
        color: var(--muted);
    }

.dashboard-sidebar,
.lesson-workspace {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--soft);
}

.dashboard-sidebar {
    padding: 20px;
}

    .dashboard-sidebar h3,
    .lesson-empty h3,
    .lesson-titlebar h3 {
        margin: 0;
        font-family: "Space Grotesk", Arial, sans-serif;
        color: var(--primary);
    }

.subscription-list {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.subscription-card {
    width: 100%;
    text-align: left;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

    .subscription-card:hover,
    .subscription-card.active {
        border-color: var(--accent);
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(36, 52, 71, 0.1);
    }

    .subscription-card strong {
        display: block;
        margin-bottom: 7px;
        color: var(--primary);
    }

    .subscription-card span {
        color: var(--muted);
        font-weight: 700;
        font-size: 13px;
    }

.lesson-workspace {
    padding: 22px;
    background: #fff;
}

.lesson-empty {
    height: 100%;
    min-height: 420px;
    display: block;
    color: var(--muted);
}

    .lesson-empty p {
        margin: 10px 0 0;
    }

.training-catalog {
    display: grid;
    gap: 18px;
}

    .training-catalog h3 {
        font-size: 28px;
    }

.training-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.training-preview-card {
    width: 100%;
    text-align: left;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--soft);
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

    .training-preview-card:hover {
        transform: translateY(-3px);
        border-color: var(--accent);
        box-shadow: 0 12px 24px rgba(36, 52, 71, 0.1);
    }

    .training-preview-card h4 {
        margin: 0 0 10px;
        font-family: "Space Grotesk", Arial, sans-serif;
        color: var(--primary);
        font-size: 19px;
    }

    .training-preview-card ul {
        margin: 12px 0 0;
        padding-left: 18px;
        color: var(--muted);
        line-height: 1.7;
    }

.training-preview-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

    .training-preview-meta span {
        padding: 6px 8px;
        border-radius: var(--radius);
        background: #fff;
        color: var(--primary);
        font-weight: 900;
        font-size: 12px;
    }

.lesson-titlebar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 16px;
}

    .lesson-titlebar span:first-child,
    .lesson-progress {
        color: var(--muted);
        font-weight: 800;
        font-size: 13px;
    }

.lesson-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    background: #101923;
}

.lesson-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 16px 0 20px;
}

    .lesson-actions p {
        margin: 0;
        color: var(--muted);
        font-weight: 700;
    }

.lesson-tools {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 16px;
    margin-bottom: 20px;
}

.resource-box,
.assignment-box {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--soft);
}

    .resource-box h3,
    .assignment-box h3 {
        margin: 0 0 12px;
        font-family: "Space Grotesk", Arial, sans-serif;
        color: var(--primary);
    }

    .assignment-box p {
        margin: 0 0 14px;
        color: var(--muted);
        line-height: 1.6;
    }

.resource-list {
    display: grid;
    gap: 10px;
}

    .resource-list a {
        display: flex;
        justify-content: space-between;
        gap: 14px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: #fff;
        color: var(--primary);
        font-weight: 900;
    }

        .resource-list a span {
            color: var(--muted);
            font-weight: 800;
        }

.file-field {
    margin-top: 12px;
}

.assignment-footer {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    margin-top: 14px;
}

    .assignment-footer span {
        color: var(--muted);
        font-weight: 800;
    }

.lesson-list {
    display: grid;
    gap: 10px;
}

.lesson-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

    .lesson-row button {
        border: 0;
        background: transparent;
        color: var(--primary);
        cursor: pointer;
        text-align: left;
        font-weight: 900;
    }

    .lesson-row.locked {
        color: var(--muted);
        background: #f8fafc;
    }

        .lesson-row.locked button {
            color: var(--muted);
            cursor: not-allowed;
        }

.lesson-number,
.lesson-status {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: var(--radius);
    background: var(--soft);
    color: var(--primary);
    font-weight: 900;
}

.lesson-row.completed .lesson-status {
    background: rgba(26, 188, 156, 0.14);
    color: var(--primary-2);
}

.lesson-row.locked .lesson-status {
    background: #e9eef3;
}

.auth-form a {
    color: var(--primary-2);
    font-weight: 900;
}

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

.payment-summary {
    margin-bottom: 20px;
    padding: 16px;
    border-radius: var(--radius);
    background: var(--soft);
}

    .payment-summary p {
        display: flex;
        justify-content: space-between;
        gap: 20px;
        margin: 8px 0;
    }

    .payment-summary span {
        color: var(--muted);
    }

.results {
    background: radial-gradient(circle at 80% 20%, rgba(26, 188, 156, 0.15), transparent 45%), radial-gradient(circle at 20% 80%, rgba(116, 103, 209, 0.15), transparent 45%), #17212b;
    color: #fff;
}

    .results .section-header h2,
    .results .section-header p:not(.eyebrow),
    .results .result-card h3 {
        color: #fff;
    }

    .results .result-card {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }

        .results .result-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.15);
        }

    .results .result-number {
        color: var(--accent);
        text-shadow: 0 0 20px rgba(26, 188, 156, 0.35);
    }

    .results .result-card p {
        color: rgba(255, 255, 255, 0.72);
    }

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    max-width: 1180px;
    margin: 0 auto;
}

.result-card {
    padding: var(--card-padding);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    text-align: center;
    box-shadow: 0 10px 24px rgba(36, 52, 71, 0.04);
    transition: transform var(--transition), box-shadow var(--transition);
}

    .result-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow);
    }

.result-number {
    display: block;
    font-family: "Space Grotesk", Arial, sans-serif;
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    color: var(--primary-2);
    margin-bottom: 12px;
}

.result-card h3 {
    font-family: "Space Grotesk", Arial, sans-serif;
    color: var(--primary);
    font-size: 20px;
    margin-bottom: 10px;
}

.result-card p {
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
}

.instructors {
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    max-width: 1180px;
    margin: 0 auto;
}

.instructor-card {
    padding: var(--card-padding);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 10px 24px rgba(36, 52, 71, 0.04);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}

    .instructor-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow);
    }

.instructor-avatar-box {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #fff;
    box-shadow: 0 8px 20px rgba(36, 52, 71, 0.15);
    background: #f0f4f8;
}

    .instructor-avatar-box img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.instructor-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.instructor-card h3 {
    font-family: "Space Grotesk", Arial, sans-serif;
    color: var(--primary);
    font-size: 22px;
    margin: 0 0 6px;
}

.instructor-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: var(--radius);
    background: rgba(47, 128, 237, 0.1);
    color: var(--primary-2);
    font-weight: 800;
    font-size: 12px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.instructor-card p {
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
    font-size: 14px;
}

.feedback {
    background: linear-gradient(180deg, #fffcf7 0%, #f9f3e6 100%);
}

.feedback-card {
    border: 1px solid rgba(240, 222, 196, 0.45);
}

.feedback-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
    max-width: 1180px;
    margin: 0 auto;
}

.feedback-card {
    padding: var(--card-padding);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 10px 24px rgba(36, 52, 71, 0.04);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

    .feedback-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow);
    }

.feedback-rating {
    color: var(--amber);
    font-size: 18px;
    margin-bottom: 14px;
    letter-spacing: 2px;
}

.feedback-text {
    color: var(--ink);
    font-style: italic;
    line-height: 1.6;
    font-size: 16px;
    margin-bottom: 18px;
}

.feedback-author {
    display: block;
    color: var(--primary);
    font-size: 16px;
    font-weight: 800;
    margin-top: auto;
}

.feedback-meta {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    margin-top: 4px;
}

.toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 3000;
    max-width: min(360px, calc(100vw - 44px));
    padding: 14px 16px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
}

    .toast.active {
        opacity: 1;
        transform: translateY(0);
    }

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 560ms ease, transform 560ms ease;
}

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

.no-scroll {
    overflow: hidden;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 1080px) {
    :root {
        --logo-height: 35px;
        --brand-size: 21px;
        --grid-gap: 18px;
        --card-padding: 22px;
        --section-padding: 64px 20px;
        --hero-padding: 54px 20px 58px;
        --h1-size: clamp(34px, 5vw, 62px);
        --h2-size: clamp(26px, 3.5vw, 38px);
        --h3-size: 21px;
        --body-size: 16px;
    }

    .hero {
        padding: var(--hero-padding);
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .hero-media,
    .hero-media img {
        min-height: 430px;
    }

    .course-grid,
    .pricing-grid,
    .results-grid,
    .instructors-grid,
    .feedback-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .side-rail {
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        gap: 8px;
    }

        .side-rail a {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            box-shadow: 0 4px 12px rgba(36, 52, 71, 0.08);
        }

            .side-rail a svg {
                width: 16px;
                height: 16px;
                display: block;
            }

            .side-rail a:hover {
                transform: translateX(-4px) rotate(-2deg);
            }
}

@media (max-width: 820px) {
    :root {
        --logo-height: 32px;
        --brand-size: 19px;
        --nav-height: 66px;
        --grid-gap: 14px;
        --card-padding: 18px;
        --section-padding: 48px 16px;
        --hero-padding: 42px 16px 46px;
        --h1-size: clamp(28px, 4.5vw, 48px);
        --h2-size: clamp(22px, 3vw, 32px);
        --h3-size: 19px;
        --body-size: 15px;
    }

    .nav-links,
    .nav-actions {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        gap: 34px;
    }

    .hero-media,
    .hero-media img {
        min-height: 360px;
    }

    .course-grid,
    .pricing-grid,
    .results-grid,
    .instructors-grid,
    .feedback-grid,
    .about-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        gap: 28px;
    }

    .footer {
        padding-top: 44px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .dashboard-grid {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .certificate-card,
    .lesson-actions,
    .lesson-titlebar,
    .lesson-tools,
    .assignment-footer {
        display: grid;
    }
}

@media (max-width: 520px) {
    :root {
        --logo-height: 28px;
        --brand-size: 17px;
        --grid-gap: 10px;
        --card-padding: 14px;
        --section-padding: 34px 12px;
        --hero-padding: 30px 12px;
        --h1-size: clamp(24px, 4vw, 36px);
        --h2-size: clamp(20px, 2.5vw, 26px);
        --h3-size: 17px;
        --body-size: 14px;
    }

    .mobile-actions,
    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        display: grid;
    }

    .hero-metrics {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 12px;
    }

        .hero-metrics strong {
            font-size: 21px;
        }

    .price {
        font-size: 40px;
    }

    .footer-links,
    .footer-newsletter form,
    .training-preview-grid {
        grid-template-columns: 1fr;
    }
}

/* Graded Assignment & Feedback Styles */
.status-badge {
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 6px;
    display: inline-block;
    vertical-align: middle;
}

    .status-badge.pending {
        background: #fff8e1;
        border: 1px solid #ffe082;
        color: #b78103;
    }

    .status-badge.approved {
        background: #e8f5e9;
        border: 1px solid #a5d6a7;
        color: #2e7d32;
    }

    .status-badge.rejected {
        background: #ffebee;
        border: 1px solid #ef9a9a;
        color: #c62828;
    }

.assignment-feedback-alert {
    padding: 16px;
    border-radius: 12px;
    margin: 18px 0;
    font-size: 14px;
    line-height: 1.6;
    border-left: 4px solid var(--accent);
    background: #f4f9ff;
    box-shadow: 0 4px 12px rgba(15, 63, 117, 0.04);
}

    .assignment-feedback-alert strong {
        color: var(--primary);
        display: block;
        margin-bottom: 4px;
    }

    .assignment-feedback-alert p {
        margin: 0 !important;
        color: var(--ink) !important;
        font-weight: 500;
    }

    .assignment-feedback-alert.feedback-approved {
        border-left-color: #2e7d32;
        background: #f1fcf2;
    }

    .assignment-feedback-alert.feedback-rejected {
        border-left-color: #c62828;
        background: #fff5f5;
    }

    .assignment-feedback-alert.feedback-pending {
        border-left-color: #b78103;
        background: #fffdf5;
    }