/* =============================================================================
   eddu Theme — components.css
   Buttons, badges, cards, navigation, tags, carousels
   ============================================================================= */

/* ─── Buttons ─────────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-sm);
    transition:
        background-color var(--transition-base),
        color var(--transition-base),
        transform var(--transition-fast),
        box-shadow var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

/* Primary — Dark */
.btn--dark {
    background-color: var(--color-dark);
    color: var(--color-white);
    border: 1.5px solid var(--color-dark);
}

.btn--dark:hover {
    background-color: #2a2a2a;
    border-color: #2a2a2a;
    box-shadow: var(--shadow-md);
}

/* Primary — Accent */
.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: 1.5px solid var(--color-accent);
}

.btn--accent:hover {
    background-color: var(--color-accent-lt);
    border-color: var(--color-accent-lt);
    box-shadow: 0 4px 20px rgba(232, 93, 38, 0.3);
}

/* Secondary — Outlined */
.btn--outline {
    background-color: transparent;
    color: var(--color-dark);
    border: 1.5px solid var(--color-dark);
}

.btn--outline:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
}

/* Ghost — on dark backgrounds */
.btn--ghost {
    background-color: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn--ghost:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
    border-color: var(--color-white);
}

/* White — on dark backgrounds */
.btn--white {
    background-color: var(--color-white);
    color: var(--color-dark);
    border: 1.5px solid var(--color-white);
}

.btn--white:hover {
    background-color: var(--color-bg);
    box-shadow: var(--shadow-md);
}

/* Sizes */
.btn--sm {
    padding: 10px 20px;
    font-size: var(--text-xs);
}

.btn--lg {
    padding: 18px 40px;
    font-size: var(--text-base);
    border-radius: var(--radius-md);
}

/* ─── Text Link with Arrow ────────────────────────────────────────────────────── */

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-dark);
    text-decoration: none;
    transition: gap var(--transition-base), color var(--transition-base);
    position: relative;
}

.text-link::after {
    content: '→';
    transition: transform var(--transition-base);
    display: inline-block;
}

.text-link:hover {
    color: var(--color-accent);
}

.text-link:hover::after {
    transform: translateX(4px);
}

.text-link--white {
    color: var(--color-white);
}

.text-link--white:hover {
    color: rgba(255,255,255,0.7);
}

/* ─── Badges ──────────────────────────────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: var(--radius-pill);
    line-height: 1;
}

.badge--onsite {
    background-color: rgba(232, 93, 38, 0.12);
    color: var(--color-accent);
    border: 1px solid rgba(232, 93, 38, 0.2);
}

.badge--online {
    background-color: rgba(34, 134, 90, 0.1);
    color: #22865A;
    border: 1px solid rgba(34, 134, 90, 0.2);
}

.badge--1day {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.2);
}

/* ─── Course Card — Dark (X Series) ──────────────────────────────────────────── */

.course-card {
    background-color: var(--color-dark);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    padding: clamp(24px, 3vw, 32px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        border-color var(--transition-base);
    cursor: pointer;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(232,93,38,0.3);
    border-color: rgba(232, 93, 38, 0.3);
}

.course-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.course-card__title {
    font-family: var(--font-premium);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
}

.course-card__tagline {
    font-size: var(--text-sm);
    color: var(--color-dark-muted);
    line-height: 1.5;
    flex: 1;
}

.course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--color-dark-border);
}

.course-card__price {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-accent);
}

.course-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--text-xs);
    color: var(--color-dark-muted);
}

.course-card__rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #F5C842;
}

/* ─── Course Card — White (1-Day Series) ─────────────────────────────────────── */

.course-card--light {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-dark);
}

.course-card--light .course-card__title {
    color: var(--color-dark);
    font-family: var(--font-friendly);
}

.course-card--light .course-card__tagline {
    color: var(--color-muted);
}

.course-card--light .course-card__footer {
    border-top-color: var(--color-border);
}

.course-card--light .course-card__meta {
    color: var(--color-muted);
}

.course-card--light:hover {
    box-shadow: 0 16px 40px rgba(0,0,0,0.12), 0 0 0 1.5px var(--color-accent);
    border-color: var(--color-accent);
}

/* ─── Featured Card (Shortcut MBA) ───────────────────────────────────────────── */

.course-card--featured {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a1a 100%);
    border: 1px solid rgba(232,93,38,0.2);
    grid-column: span 2;
}

@media (max-width: 768px) {
    .course-card--featured {
        grid-column: span 1;
    }
}

/* ─── Pill Tags (Shortcut Series list) ───────────────────────────────────────── */

.pill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    font-size: var(--text-sm);
    font-weight: 500;
    font-family: var(--font-friendly);
    background-color: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-dark);
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base),
        color var(--transition-base);
    cursor: pointer;
    text-decoration: none;
}

.pill-tag:hover {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
    color: var(--color-white);
}

.pill-tag--active {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
    color: var(--color-white);
}

/* ─── Testimonial Card ────────────────────────────────────────────────────────── */

.testimonial-card {
    background-color: #1A1A1A;
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    padding: clamp(28px, 4vw, 40px);
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 340px;
    max-width: 420px;
    flex-shrink: 0;
}

.testimonial-card__quote-mark {
    font-family: var(--font-premium);
    font-size: 72px;
    line-height: 0.6;
    color: var(--color-accent);
    opacity: 0.6;
    user-select: none;
}

.testimonial-card__text {
    font-size: var(--text-md);
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    flex: 1;
}

.testimonial-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.testimonial-card__author-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
}

.testimonial-card__author-role {
    font-size: var(--text-xs);
    color: var(--color-dark-muted);
    margin-top: 2px;
}

/* ─── Stat Item ───────────────────────────────────────────────────────────────── */

.stat-item {
    text-align: center;
    padding: clamp(24px, 4vw, 40px);
}

.stat-item__number {
    font-family: var(--font-premium);
    font-size: var(--text-stat);
    font-weight: 700;
    line-height: 1;
    color: var(--color-dark);
    margin-bottom: 8px;
    display: block;
}

.stat-item__label {
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: 1.5;
}

/* ─── Navigation ──────────────────────────────────────────────────────────────── */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    transition:
        background-color var(--transition-base),
        box-shadow var(--transition-base);
}

.site-header--transparent {
    background-color: transparent;
}

.site-header--solid {
    background-color: var(--color-white);
    box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
}

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

.nav__logo {
    font-family: var(--font-premium);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    text-decoration: none;
    flex-shrink: 0;
}

.nav__logo em {
    font-style: italic;
    color: var(--color-accent);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav__item {
    position: relative;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark);
    border-radius: var(--radius-sm);
    transition: color var(--transition-base), background-color var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.nav__link:hover {
    color: var(--color-accent);
    background-color: var(--color-surface);
}

.nav__link--has-dropdown::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform var(--transition-fast);
}

.nav__item:hover .nav__link--has-dropdown::after {
    transform: rotate(180deg);
}

/* Dropdown */
.nav__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base),
        transform var(--transition-base);
    z-index: var(--z-dropdown);
    list-style: none;
}

.nav__item:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown-link {
    display: block;
    padding: 10px 14px;
    font-size: var(--text-sm);
    color: var(--color-dark);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
}

.nav__dropdown-link:hover {
    background-color: var(--color-surface);
    color: var(--color-accent);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Hamburger */
.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.nav__hamburger:hover {
    background-color: var(--color-surface);
}

.nav__hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Mobile nav open state */
.nav--open .nav__hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav--open .nav__hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav--open .nav__hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav__mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: 16px 0;
    box-shadow: var(--shadow-lg);
    z-index: calc(var(--z-nav) - 1);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
}

.nav__mobile-menu.is-open {
    display: block;
}

.nav__mobile-link {
    display: block;
    padding: 14px clamp(20px, 5vw, 80px);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-dark);
    border-bottom: 1px solid var(--color-surface);
    text-decoration: none;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__mobile-link:hover {
    color: var(--color-accent);
    background-color: var(--color-surface);
}

.nav__mobile-link--cta {
    color: var(--color-accent);
    font-weight: 700;
}

@media (max-width: 900px) {
    .nav__menu,
    .nav__actions .btn {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }
}

/* ─── Carousel ────────────────────────────────────────────────────────────────── */

.carousel {
    overflow: hidden;
    position: relative;
}

.carousel__track {
    display: flex;
    gap: var(--gap-md);
    width: max-content;
    animation: carousel-scroll 40s linear infinite;
}

.carousel__track:hover {
    animation-play-state: paused;
}

@keyframes carousel-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ─── Scroll indicator ────────────────────────────────────────────────────────── */

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--color-muted);
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator__line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-muted), transparent);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(6px); }
}

/* ─── Contact Info Block ──────────────────────────────────────────────────────── */

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-info__item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--text-sm);
    color: var(--color-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-info__item:hover {
    color: var(--color-accent);
}

.contact-info__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-accent);
}

/* ─── Footer ──────────────────────────────────────────────────────────────────── */

.site-footer {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.site-footer__main {
    padding: clamp(60px, 8vw, 100px) 0 clamp(40px, 6vw, 60px);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: clamp(32px, 5vw, 60px);
}

.site-footer__logo {
    font-family: var(--font-premium);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    font-style: italic;
    margin-bottom: 12px;
    display: block;
}

.site-footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-dark-muted);
    line-height: 1.6;
    max-width: 240px;
}

.site-footer__col-title {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.site-footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.site-footer__link {
    font-size: var(--text-sm);
    color: var(--color-dark-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer__link:hover {
    color: var(--color-white);
}

.site-footer__bottom {
    border-top: 1px solid var(--color-dark-border);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.site-footer__copyright {
    font-size: var(--text-xs);
    color: var(--color-dark-muted);
}

.site-footer__legal {
    display: flex;
    gap: 20px;
}

.site-footer__legal-link {
    font-size: var(--text-xs);
    color: var(--color-dark-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer__legal-link:hover {
    color: var(--color-white);
}

@media (max-width: 1024px) {
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}