/* =========================================================
   Altermind Courses — Public Frontend Styles
   File: assets/css/frontend.css
   ========================================================= */

.amc-container {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.amc-course-directory,
.amc-single-course {
    padding-block: 48px 72px;
    color: #202735;
    line-height: 1.65;
}

.amc-course-directory *,
.amc-single-course * {
    box-sizing: border-box;
}

.amc-directory-header {
    max-width: 760px;
    margin: 0 auto 38px;
    text-align: center;
}

.amc-eyebrow {
    margin: 0 0 10px;
    color: #5368c9;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.amc-directory-title,
.amc-course-detail-title {
    margin: 0 0 16px;
    color: #172033;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 750;
    line-height: 1.15;
    overflow-wrap: anywhere;
}

.amc-directory-description,
.amc-course-detail-summary {
    color: #596579;
    font-size: 1.08rem;
    line-height: 1.75;
}

.amc-course-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.amc-course-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #e3e7ef;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 5px 20px rgb(25 35 60 / 5%);
    transition: box-shadow 180ms ease, transform 180ms ease;
}

.amc-course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgb(25 35 60 / 10%);
}

.amc-course-card-image {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #eef1f8;
}

.amc-course-thumbnail {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 250ms ease;
}

.amc-course-card:hover .amc-course-thumbnail {
    transform: scale(1.035);
}

.amc-course-image-placeholder {
    display: grid;
    width: 100%;
    height: 100%;
    min-height: 170px;
    place-items: center;
    color: #65708a;
    font-size: 1.2rem;
    font-weight: 700;
}

.amc-course-card-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 23px;
}

.amc-course-card-title {
    margin: 0 0 12px;
    font-size: 1.28rem;
    font-weight: 700;
    line-height: 1.35;
}

.amc-course-card-title a,
.amc-instructor-name a {
    color: #202a40;
    text-decoration: none;
}

.amc-course-card-title a:hover,
.amc-instructor-name a:hover {
    color: #5368c9;
}

.amc-course-card-description {
    margin: 0 0 20px;
    color: #606b7d;
    font-size: 0.96rem;
}

.amc-course-card-instructors {
    width: 100%;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #edf0f5;
}

.amc-instructor-label {
    display: block;
    margin-bottom: 6px;
    color: #6c7587;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.amc-instructor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.amc-instructor-list li {
    margin: 0;
}

.amc-instructor-list a {
    color: #5368c9;
    font-size: 0.92rem;
    text-decoration: none;
}

.amc-instructor-list a:hover {
    text-decoration: underline;
}

.amc-course-card-actions {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 22px;
}

.amc-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 0.94rem;
    font-weight: 700;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease;
}

.amc-button-primary {
    border-color: #5368c9;
    background: #5368c9;
    color: #fff;
}

.amc-button-primary:hover,
.amc-button-primary:focus {
    border-color: #3f50a5;
    background: #3f50a5;
    color: #fff;
}

.amc-course-external-link {
    color: #5368c9;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.amc-course-external-link:hover {
    text-decoration: underline;
}

/* Pagination */

.amc-pagination {
    margin-top: 42px;
}

.amc-pagination .page-numbers {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.amc-pagination .page-numbers li {
    margin: 0;
}

.amc-pagination a,
.amc-pagination span.page-numbers {
    display: inline-flex;
    min-width: 42px;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid #e0e5ef;
    border-radius: 8px;
    color: #28334a;
    text-decoration: none;
}

.amc-pagination a:hover,
.amc-pagination span.current {
    border-color: #5368c9;
    background: #5368c9;
    color: #fff;
}

/* Empty directory */

.amc-no-courses {
    padding: 48px 24px;
    border: 1px dashed #cfd6e4;
    border-radius: 14px;
    background: #f8f9fc;
    text-align: center;
}

.amc-no-courses h2 {
    margin-top: 0;
}

/* Single course page */

.amc-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 26px;
    color: #6c7587;
    font-size: 0.9rem;
}

.amc-breadcrumbs a {
    color: #5368c9;
    text-decoration: none;
}

.amc-breadcrumbs a:hover {
    text-decoration: underline;
}

.amc-course-detail-header {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 40px;
    margin-bottom: 48px;
    padding: clamp(24px, 5vw, 48px);
    border: 1px solid #e3e7ef;
    border-radius: 18px;
    background: #f7f8fc;
}

.amc-course-detail-heading {
    min-width: 0;
}

.amc-course-detail-summary {
    margin: 0 0 22px;
}

.amc-course-primary-action {
    margin: 22px 0 0;
}

.amc-course-detail-image {
    overflow: hidden;
    border-radius: 12px;
    background: #e9edf5;
}

.amc-course-featured-image {
    display: block;
    width: 100%;
    max-height: 430px;
    object-fit: cover;
}

.amc-course-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
    align-items: start;
    gap: 42px;
}

.amc-course-main-content,
.amc-course-sidebar {
    min-width: 0;
}

.amc-course-section {
    margin-bottom: 38px;
}

.amc-course-section h2,
.amc-instructors-section > h2 {
    margin: 0 0 18px;
    color: #202a40;
    font-size: 1.65rem;
    font-weight: 750;
    line-height: 1.3;
}

.amc-course-content {
    color: #424d60;
    font-size: 1rem;
    line-height: 1.85;
    overflow-wrap: anywhere;
}

.amc-course-content > :first-child {
    margin-top: 0;
}

.amc-course-content img {
    max-width: 100%;
    height: auto;
}

.amc-course-content a {
    color: #5368c9;
}

.amc-learning-outcomes ul {
    margin: 0;
    padding-left: 1.4rem;
}

.amc-learning-outcomes li {
    margin-bottom: 10px;
    padding-left: 4px;
    color: #424d60;
}

.amc-learning-outcomes li::marker {
    color: #5368c9;
}

.amc-course-sidebar {
    padding: 24px;
    border: 1px solid #e3e7ef;
    border-radius: 14px;
    background: #fff;
}

.amc-instructor-cards {
    display: grid;
    gap: 22px;
}

.amc-instructor-card {
    min-width: 0;
    padding-bottom: 22px;
    border-bottom: 1px solid #edf0f5;
}

.amc-instructor-card:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.amc-instructor-photo {
    display: block;
    width: 92px;
    height: 92px;
    margin-bottom: 14px;
    overflow: hidden;
    border-radius: 50%;
    background: #eef1f8;
}

.amc-instructor-thumbnail {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.amc-instructor-name {
    margin: 0 0 8px;
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.amc-instructor-description {
    color: #606b7d;
    font-size: 0.92rem;
    line-height: 1.7;
}

.amc-instructor-message {
    margin: 14px 0 0;
    padding: 12px;
    border-left: 3px solid #5368c9;
    border-radius: 0 6px 6px 0;
    background: #f5f6fc;
    color: #424d60;
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

/* Keyboard accessibility */

.amc-course-directory a:focus-visible,
.amc-single-course a:focus-visible {
    outline: 3px solid #7c8be0;
    outline-offset: 3px;
}

/* Responsive layout */

@media (max-width: 960px) {
    .amc-course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .amc-course-detail-header {
        gap: 26px;
    }

    .amc-course-detail-layout {
        grid-template-columns: minmax(0, 1fr) 270px;
        gap: 26px;
    }
}

@media (max-width: 700px) {
    .amc-container {
        width: min(100% - 28px, 560px);
    }

    .amc-course-directory,
    .amc-single-course {
        padding-block: 30px 48px;
    }

    .amc-course-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }

    .amc-directory-header {
        margin-bottom: 28px;
        text-align: left;
    }

    .amc-course-detail-header,
    .amc-course-detail-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .amc-course-detail-header {
        gap: 24px;
        margin-bottom: 32px;
        padding: 22px;
    }

    .amc-course-detail-image {
        grid-row: 1;
    }

    .amc-course-sidebar {
        padding: 20px;
    }

    .amc-course-card-content {
        padding: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .amc-course-card,
    .amc-course-thumbnail,
    .amc-button {
        transition: none;
    }

    .amc-course-card:hover {
        transform: none;
    }

    .amc-course-card:hover .amc-course-thumbnail {
        transform: none;
    }
}


/* =========================================================
   Instructor Profile
   ========================================================= */

.amc-single-instructor .amc-instructor-profile {
    max-width: 1180px;
    margin-inline: auto;
}

.amc-instructor-profile-header {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: center;
    gap: 36px;
    margin-bottom: 42px;
    padding: clamp(24px, 5vw, 48px);
    border: 1px solid #e3e7ef;
    border-radius: 18px;
    background: #f7f8fc;
}

.amc-instructor-profile-photo {
    width: 220px;
    max-width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 16px;
    background: #e9edf5;
}

.amc-instructor-profile-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.amc-instructor-profile-intro {
    min-width: 0;
}

.amc-instructor-profile-title {
    margin: 0 0 18px;
    color: #172033;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 750;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.amc-instructor-profile-bio {
    color: #596579;
    font-size: 1.05rem;
    line-height: 1.85;
    overflow-wrap: anywhere;
}

.amc-instructor-profile-bio > :first-child {
    margin-top: 0;
}

.amc-instructor-profile-bio > :last-child {
    margin-bottom: 0;
}

.amc-instructor-thank-you {
    margin-bottom: 48px;
    padding: 28px;
    border-left: 4px solid #5368c9;
    border-radius: 0 12px 12px 0;
    background: #f5f6fc;
}

.amc-instructor-thank-you h2 {
    margin: 0 0 12px;
    color: #202a40;
    font-size: 1.4rem;
    line-height: 1.35;
}

.amc-instructor-thank-you p {
    margin: 0;
    color: #424d60;
    line-height: 1.85;
    overflow-wrap: anywhere;
}

.amc-instructor-courses {
    margin-top: 42px;
}

.amc-instructor-courses > h2 {
    margin: 0 0 24px;
    color: #202a40;
    font-size: clamp(1.6rem, 3vw, 2rem);
    line-height: 1.35;
}

.amc-instructor-no-courses {
    padding: 28px;
    border: 1px dashed #cfd6e4;
    border-radius: 12px;
    background: #f8f9fc;
    color: #596579;
    text-align: center;
}

@media (max-width: 700px) {
    .amc-instructor-profile-header {
        grid-template-columns: minmax(0, 1fr);
        gap: 22px;
        padding: 22px;
    }

    .amc-instructor-profile-photo {
        width: 150px;
        margin-inline: auto;
        border-radius: 50%;
    }

    .amc-instructor-profile-intro {
        text-align: center;
    }

    .amc-instructor-thank-you {
        margin-bottom: 32px;
        padding: 22px;
    }

    .amc-instructor-courses {
        margin-top: 32px;
    }
}


/* =========================================================
   AlterMind Courses — Professional Theme Integration
   ========================================================= */

.amc-single-course,
.amc-course-directory,
.amc-single-instructor {
    --amc-accent: #5267e8;
    --amc-accent-hover: #3e50ce;
    --amc-heading: #f4f6ff;
    --amc-body: #c2cbe0;
    --amc-muted: #929fba;
    --amc-panel: #101a2d;
    --amc-border: rgba(165, 183, 225, 0.17);
    color: var(--amc-body) !important;
}

.amc-single-course *,
.amc-course-directory *,
.amc-single-instructor * {
    box-sizing: border-box;
}

.amc-container {
    width: min(1180px, calc(100% - 48px));
    margin-inline: auto;
}

.amc-single-course,
.amc-course-directory,
.amc-single-instructor {
    padding-block: clamp(36px, 5vw, 68px);
}

/* Breadcrumbs */

.amc-breadcrumbs {
    margin-bottom: 28px;
    color: var(--amc-muted) !important;
    line-height: 1.6;
}

.amc-breadcrumbs a,
.amc-course-directory a,
.amc-single-course .amc-course-content a {
    color: #91a5ff;
}

.amc-breadcrumbs a:hover,
.amc-course-directory a:hover {
    color: #c0cbff;
}

/* Course hero */

.amc-course-detail-header {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: clamp(28px, 4vw, 56px);
    margin-bottom: 36px;
    padding: clamp(28px, 5vw, 64px);
    overflow: hidden;
    border: 1px solid var(--amc-border);
    border-radius: 24px;
    background:
        radial-gradient(ellipse at 0% 0%, rgba(82, 103, 232, 0.17), transparent 52%),
        linear-gradient(135deg, #121e35 0%, #0e1729 100%);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

.amc-eyebrow {
    margin: 0 0 18px;
    color: #9eafff !important;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.amc-course-detail-title {
    max-width: 760px;
    margin: 0 0 22px !important;
    color: var(--amc-heading) !important;
    font-size: clamp(2.25rem, 4.3vw, 4rem) !important;
    font-weight: 800 !important;
    letter-spacing: -0.045em;
    line-height: 1.08 !important;
    overflow-wrap: anywhere;
}

.amc-course-detail-summary {
    max-width: 650px;
    margin: 0 0 28px !important;
    color: #c5cfe5 !important;
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.8;
}

.amc-course-detail-image {
    min-width: 0;
    align-self: stretch;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    background: #17233a;
}

.amc-course-featured-image {
    width: 100%;
    height: 100%;
    min-height: 300px;
    max-height: 480px;
    object-fit: cover;
}

.amc-button-primary {
    min-height: 48px;
    padding: 13px 23px;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(110deg, #6278f4, #4058df);
    box-shadow: 0 8px 24px rgba(68, 89, 225, 0.25);
    color: #fff !important;
    font-weight: 750;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.amc-button-primary:hover,
.amc-button-primary:focus-visible {
    transform: translateY(-2px);
    background: linear-gradient(110deg, #7487ff, #5268ed);
    box-shadow: 0 12px 30px rgba(68, 89, 225, 0.34);
    color: #fff !important;
}

/* Main content and sidebar */

.amc-course-detail-layout {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
    gap: clamp(28px, 4vw, 54px);
    align-items: start;
}

.amc-course-section {
    margin-bottom: 34px;
    padding: clamp(24px, 3vw, 36px);
    border: 1px solid var(--amc-border);
    border-radius: 18px;
    background: rgba(15, 25, 43, 0.72);
}

.amc-course-section h2,
.amc-instructors-section > h2,
.amc-instructor-courses > h2 {
    margin: 0 0 20px !important;
    color: var(--amc-heading) !important;
    font-size: clamp(1.4rem, 2.2vw, 1.85rem) !important;
    font-weight: 780 !important;
    letter-spacing: -0.025em;
    line-height: 1.3 !important;
}

.amc-course-content {
    color: var(--amc-body) !important;
    font-size: 1.02rem;
    line-height: 1.9;
}

.amc-course-content p,
.amc-course-content li {
    color: var(--amc-body) !important;
}

.amc-course-content h2,
.amc-course-content h3,
.amc-course-content h4 {
    margin-top: 1.6em;
    color: var(--amc-heading) !important;
}

.amc-learning-outcomes ul {
    display: grid;
    gap: 14px;
    padding: 0;
    list-style: none;
}

.amc-learning-outcomes li {
    position: relative;
    margin: 0;
    padding: 14px 16px 14px 46px;
    border: 1px solid var(--amc-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.025);
    color: var(--amc-body) !important;
    line-height: 1.7;
}

.amc-learning-outcomes li::before {
    position: absolute;
    top: 15px;
    left: 16px;
    display: grid;
    width: 20px;
    height: 20px;
    place-items: center;
    border-radius: 50%;
    background: rgba(101, 125, 255, 0.18);
    color: #aebaff;
    content: "✓";
    font-size: 0.8rem;
    font-weight: 800;
}

.amc-learning-outcomes li::marker {
    content: "";
}

/* Instructor sidebar */

.amc-course-sidebar {
    position: sticky;
    top: 28px;
    padding: 26px;
    border: 1px solid var(--amc-border);
    border-radius: 18px;
    background: linear-gradient(160deg, #fff 0%, #f4f6ff 100%);
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.13);
    color: #34405a !important;
}

.amc-course-sidebar .amc-instructors-section > h2 {
    color: #18233a !important;
    font-size: 1.45rem !important;
}

.amc-instructor-card {
    padding-bottom: 24px;
    border-bottom-color: #e2e7f2;
}

.amc-instructor-photo {
    width: 88px;
    height: 88px;
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px #dce3f5, 0 8px 20px rgba(26, 42, 78, 0.12);
}

.amc-instructor-name {
    color: #17243b !important;
    font-size: 1.12rem;
}

.amc-instructor-description {
    color: #596780 !important;
    line-height: 1.75;
}

.amc-instructor-message {
    padding: 15px 16px;
    border-left: 3px solid #6579ed;
    border-radius: 0 10px 10px 0;
    background: #eef1ff;
    color: #42506c !important;
    line-height: 1.8;
}

/* Course archive cards */

.amc-directory-header {
    margin-bottom: 38px;
}

.amc-directory-header h1 {
    color: var(--amc-heading) !important;
    font-size: clamp(2rem, 4vw, 3.25rem) !important;
    font-weight: 800 !important;
    letter-spacing: -0.04em;
}

.amc-directory-header p {
    color: var(--amc-body) !important;
    line-height: 1.8;
}

.amc-course-grid {
    gap: 24px;
}

.amc-course-card {
    overflow: hidden;
    border: 1px solid var(--amc-border);
    border-radius: 18px;
    background: #111c30;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.12);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.amc-course-card:hover {
    transform: translateY(-4px);
    border-color: rgba(130, 148, 255, 0.48);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.2);
}

.amc-course-card-content {
    padding: 24px;
}

.amc-course-card-title,
.amc-course-card-title a {
    color: #f3f5ff !important;
    font-size: 1.3rem;
    font-weight: 750;
    line-height: 1.35;
    text-decoration: none;
}

.amc-course-card-description {
    color: #b8c4dc !important;
    line-height: 1.8;
}

.amc-course-instructors,
.amc-course-instructors a {
    color: #aebcff !important;
}

.amc-no-courses {
    border-color: var(--amc-border);
    background: var(--amc-panel);
    color: var(--amc-body);
}

.amc-no-courses h2 {
    color: var(--amc-heading) !important;
}

/* Instructor profile */

.amc-instructor-profile-header {
    border-color: var(--amc-border);
    background: linear-gradient(135deg, #121e35, #0e1729);
}

.amc-instructor-profile-title,
.amc-instructor-courses > h2,
.amc-instructor-thank-you h2 {
    color: var(--amc-heading) !important;
}

.amc-instructor-profile-bio,
.amc-instructor-thank-you p {
    color: var(--amc-body) !important;
}

.amc-instructor-thank-you {
    border: 1px solid var(--amc-border);
    border-left: 4px solid #6579ed;
    border-radius: 12px;
    background: var(--amc-panel);
}

.amc-instructor-no-courses {
    border-color: var(--amc-border);
    background: var(--amc-panel);
    color: var(--amc-body);
}

/* Responsive refinements */

@media (max-width: 900px) {
    .amc-course-detail-header {
        grid-template-columns: minmax(0, 1fr);
    }

    .amc-course-featured-image {
        min-height: 220px;
        max-height: 380px;
    }

    .amc-course-detail-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .amc-course-sidebar {
        position: static;
    }
}

@media (max-width: 600px) {
    .amc-container {
        width: calc(100% - 32px);
    }

    .amc-course-detail-header {
        padding: 26px 22px;
        border-radius: 18px;
    }

    .amc-course-detail-title {
        font-size: clamp(2rem, 10vw, 3rem) !important;
    }

    .amc-course-section {
        padding: 22px 18px;
    }

    .amc-course-sidebar {
        padding: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .amc-course-card,
    .amc-button-primary {
        transition: none;
    }

    .amc-course-card:hover,
    .amc-button-primary:hover {
        transform: none;
    }
}