/* ============================================================
   Teacher Training Landing Page
   Namespace: .teacher-training-page
   ============================================================ */

.teacher-training-page {
    --tt-blue: #2d4f8b;
    --tt-blue-deep: #1f3f76;
    --tt-cream: #ece6cf;
    --tt-bg: #f3f4f6;
    --tt-gold: #e4c65e;
    --tt-text: #1b1b1b;
    --tt-white: #ffffff;
    --tt-radius: 14px;
    --tt-radius-sm: 8px;
    --tt-radius-lg: 24px;
    --tt-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Shared ---- */

.teacher-training-page .container {
    max-width: 1140px;
}

.tt-section {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.tt-section--cream {
    background: var(--tt-cream);
}

.tt-section--dark {
    background: var(--tt-blue-deep);
}

.tt-section--light {
    background: var(--tt-bg);
}

.tt-section--white {
    background: var(--tt-white);
}

.tt-section__eyebrow {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tt-gold);
    margin-bottom: 4px;
    line-height: 1.1;
}

.tt-section__eyebrow--light {
    color: var(--tt-gold);
}

.tt-section__title {
    font-size: clamp(1.8rem, 5vw, 2.7rem);
    font-weight: 900;
    color: var(--tt-text);
    margin-bottom: 24px;
    line-height: 1.3;
}

.tt-section__title--light {
    color: var(--tt-white);
}

.tt-section__title--center {
    text-align: center;
}

/* ---- Buttons ---- */

.tt-btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: transform var(--tt-transition), box-shadow var(--tt-transition), background var(--tt-transition);
    border: 2px solid transparent;
}

.tt-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    text-decoration: none;
}

.tt-btn--primary {
    background: var(--tt-blue);
    color: var(--tt-white);
    border-color: var(--tt-blue);
}

.tt-btn--primary:hover {
    background: var(--tt-blue-deep);
    color: var(--tt-white);
}

.tt-btn--outline {
    background: var(--tt-white);
    color: var(--tt-blue);
    border-color: var(--tt-blue);
}

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

.tt-btn--gold {
    background: var(--tt-gold);
    color: var(--tt-text);
    border-color: var(--tt-gold);
}

.tt-btn--gold:hover {
    background: #d4b84e;
}

/* ============================================================
   Section 1: Hero
   ============================================================ */

.tt-hero {
    position: relative;
    background: #f2f4f3;
    width: 100%;
    margin-top: 72px;
    overflow: hidden;
}

.tt-hero__banner {
    display: block;
    width: 100%;
    height: auto;
}

.tt-hero__title {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    width: fit-content;
    max-width: 94%;
    margin: 0;
    padding: 20px 56px 20px 28px;
    border-radius: 0 999px 999px 0;
    background: var(--tt-blue-deep);
    color: var(--tt-white);
    font-size: clamp(2.2rem, 5.3vw, 5.2rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: 0.01em;
    text-align: left;
    white-space: nowrap;
}

/* ============================================================
   Section 1b: Hero CTA buttons
   ============================================================ */

.tt-hero-cta {
    background: var(--tt-white);
    padding: 48px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.tt-btn--hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--tt-white);
    color: var(--tt-text);
    border: 2px solid var(--tt-text);
    font-weight: 700;
    padding: 22px 60px;
    border-radius: var(--tt-radius-sm);
    font-size: 1.25rem;
}

.tt-btn--hero:hover {
    background: var(--tt-blue);
    color: var(--tt-white);
    border-color: var(--tt-blue);
}

.tt-btn__arrow {
    font-size: 0.7em;
}

/* ============================================================
   Section 2: Introduction (師培介紹)
   ============================================================ */

.tt-intro-section {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    background-color: #ffffff;
}

/* Wave image — absolute, covers full section */
.tt-intro__wave-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    pointer-events: none;
}

/* Content — fills section, flex column, justify center */
.tt-intro {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 0;
}

/* Header: text centered on full width, mascot absolute overlap on right */
.tt-intro__header {
    position: relative;
    text-align: center;
    margin-bottom: 28px;
}

.tt-intro__header-text {
    display: inline-block;
    text-align: center;
}

.tt-intro__header-text .tt-section__eyebrow {
    display: block;
    margin-bottom: 8px;
}

.tt-intro__header .tt-section__title {
    margin-bottom: 0;
}

/* Body: text only */
.tt-intro__body {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding: 0 clamp(28px, 7vw, 96px);
}

.tt-intro__text {
    flex: 1;
}

.tt-intro__desc {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--tt-text);
    margin-bottom: 0;
}

/* Mascot — absolute, just to the right of the centered title */
.tt-intro__mascot {
    position: absolute;
    right: calc(20px);
    bottom: 0%;
    transform: translateY(-50%);
    width: 260px;
    z-index: 2;
}

.tt-intro__mascot-img {
    width: 100%;
    height: auto;
    opacity: 0;
}

/* 父層 tt-reveal 拿到 is-visible 後才觸發彈跳，delay 讓滑入先完成 */
.tt-intro__header.is-visible .tt-intro__mascot-img {
    animation: tt-pop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s forwards;
}

/* Pop animation */
@keyframes tt-pop {
    0% {
        transform: scale(0.4) rotate(-12deg);
        opacity: 0;
    }

    55% {
        transform: scale(1.18) rotate(6deg);
        opacity: 1;
    }

    75% {
        transform: scale(0.93) rotate(-3deg);
    }

    90% {
        transform: scale(1.05) rotate(1deg);
    }

    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.tt-pop {
    opacity: 0;
    display: block;
}

.tt-pop.is-visible {
    animation: tt-pop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ============================================================
   Section 3: Philosophy (Video)
   ============================================================ */

.tt-philosophy {
    text-align: center;
}

.tt-video-placeholder {
    position: relative;
    width: 100%;
    max-width: 780px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    background: #162d56;
    border-radius: var(--tt-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.12);
}

.tt-video-embed,
.tt-video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.tt-video-embed iframe {
    display: block;
}

.tt-video-placeholder__play {
    transition: transform var(--tt-transition);
}

.tt-video-placeholder:hover .tt-video-placeholder__play {
    transform: scale(1.1);
}

/* ============================================================
   Section 4: Process (How we train)
   ============================================================ */

.tt-process {
    display: flex;
    flex-direction: column;
    gap: 48px;
    margin-bottom: 40px;
}

.tt-process__item {
    display: flex;
    align-items: center;
    gap: 40px;
}

.tt-process__item--reverse {
    flex-direction: row-reverse;
}

.tt-process__img-wrap {
    flex: 0 0 45%;
    max-width: 440px;
}

.tt-process__img {
    width: 100%;
    border-radius: var(--tt-radius);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
}

.tt-process__body {
    flex: 1;
}

.tt-process__heading {
    font-size: clamp(1.2rem, 3.2vw, 1.8rem);
    font-weight: 800;
    color: var(--tt-blue);
    margin-bottom: 12px;
}

.tt-process__body p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--tt-text);
}

.tt-process__cta {
    text-align: center;
    margin-top: 20px;
}

/* ============================================================
   Section 5: Community Cards
   ============================================================ */

.tt-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.tt-card {
    background: var(--tt-white);
    border-radius: var(--tt-radius);
    overflow: hidden;
    border: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform var(--tt-transition), box-shadow var(--tt-transition);
}

.tt-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.tt-card__media {
    height: 200px;
    overflow: hidden;
}

.tt-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tt-card__media--placeholder {
    background: var(--tt-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tt-card__placeholder-icon {
    font-size: 3rem;
    color: var(--tt-blue);
    opacity: 0.35;
}

.tt-card__body {
    padding: 20px;
}

.tt-card__title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--tt-blue);
    margin-bottom: 8px;
}

.tt-card__body p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--tt-text);
}

/* ============================================================
   Section 6: Pass List
   ============================================================ */

.tt-pass-list {
    max-width: 700px;
    margin: 0 auto 32px;
}

.tt-pass-list__box {
    background: var(--tt-white);
    border-radius: var(--tt-radius);
    padding: 28px 32px;
    overflow-x: auto;
}

.tt-pass-list__table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.tt-pass-list__table th {
    font-weight: 700;
    color: var(--tt-blue);
    padding: 10px 12px;
    border-bottom: 2px solid var(--tt-blue);
    font-size: 0.95rem;
}

.tt-pass-list__table td {
    padding: 10px 12px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 0.95rem;
    color: var(--tt-text);
}

.tt-pass-list__cta {
    text-align: center;
}

/* ============================================================
   Section 7: Carousel
   ============================================================ */

.tt-carousel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.tt-carousel-header .tt-section__title {
    margin-bottom: 0;
}

.tt-carousel-nav {
    display: flex;
    gap: 8px;
}

.tt-carousel-nav__btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--tt-blue);
    background: var(--tt-white);
    color: var(--tt-blue);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--tt-transition), color var(--tt-transition);
}

.tt-carousel-nav__btn:hover {
    background: var(--tt-blue);
    color: var(--tt-white);
}

.tt-carousel {
    overflow: hidden;
}

.tt-carousel__track {
    display: flex;
    gap: 24px;
    transition: transform 0.4s ease;
}

.tt-carousel__card {
    flex: 0 0 calc(33.333% - 16px);
    min-width: 260px;
    background: var(--tt-white);
    border-radius: var(--tt-radius);
    overflow: hidden;
    border: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform var(--tt-transition), box-shadow var(--tt-transition);
}

.tt-carousel__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.tt-carousel__thumb {
    height: 170px;
    background: linear-gradient(135deg, var(--tt-blue) 0%, var(--tt-blue-deep) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tt-carousel__body {
    padding: 18px 20px;
}

.tt-carousel__tag {
    display: inline-block;
    background: var(--tt-gold);
    color: var(--tt-text);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 50px;
    margin-bottom: 8px;
}

.tt-carousel__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tt-text);
    margin-bottom: 6px;
}

.tt-carousel__name {
    font-size: 0.85rem;
    color: #777;
}

/* ============================================================
   Section 8: Join CTA
   ============================================================ */

.tt-join {
    position: relative;
}

.tt-join__geo {
    position: absolute;
    left: -40px;
    top: -40px;
    width: 300px;
    opacity: 0.18;
    pointer-events: none;
}

.tt-join__inner {
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
}

.tt-join__text {
    flex: 1;
    max-width: 420px;
}

.tt-join__text .tt-section__title {
    position: relative;
    padding-left: 20px;
}

.tt-join__text .tt-section__title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 5px;
    background: var(--tt-gold);
    border-radius: 3px;
}

.tt-join__sub {
    font-size: 1.15rem;
    color: var(--tt-text);
    margin-bottom: 28px;
    line-height: 1.6;
}

.tt-join__visual {
    flex: 1;
}

.tt-join__photo {
    width: 100%;
    border-radius: var(--tt-radius-lg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
}

/* ============================================================
   Reveal Animation
   ============================================================ */

.tt-reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================================
   RWD
   ============================================================ */

@media (max-width: 991px) {
    .tt-intro__body {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .tt-intro__mascot {
        width: 160px;
        align-self: center;
    }

    .tt-process__item,
    .tt-process__item--reverse {
        flex-direction: column;
        text-align: center;
    }

    .tt-process__img-wrap {
        flex: none;
        max-width: 100%;
    }

    .tt-join__inner {
        flex-direction: column;
        text-align: center;
    }

    .tt-join__text .tt-section__title {
        padding-left: 0;
    }

    .tt-join__text .tt-section__title::before {
        display: none;
    }
}

@media (max-width: 768px) {

    .tt-section,
    .tt-intro-section {
        padding: 48px 0;
    }

    .tt-hero {
        margin-top: 66px;
    }

    .tt-hero__banner {
        height: clamp(380px, 74svh, 560px);
        object-fit: cover;
        object-position: 57% center;
    }

    .tt-hero-cta {
        padding: 28px 20px;
        gap: 12px;
        flex-direction: column;
        align-items: stretch;
    }

    .tt-btn--hero {
        width: min(100%, 340px);
        min-height: 56px;
        margin: 0 auto;
        justify-content: center;
        padding: 14px 20px;
    }

    .tt-intro__wave-bg {
        object-fit: cover;
        object-position: top center;
    }

    .tt-intro-section,
    .tt-intro {
        min-height: auto;
    }

    .tt-intro {
        padding: 40px 0;
    }

    .tt-intro__body {
        padding: 0 20px;
    }

    .tt-intro__header {
        margin-bottom: 20px;
    }

    .tt-intro__mascot {
        position: relative;
        width: 96px;
        right: auto;
        bottom: auto;
        top: auto;
        transform: none;
        margin: 12px auto 0;
    }

    .tt-hero__title {
        font-size: clamp(1.6rem, 9vw, 2.4rem);
        bottom: 18px;
        padding: 12px 26px 12px 20px;
        max-width: calc(100% - 16px);
        white-space: normal;
    }

    .tt-process {
        gap: 36px;
    }

    .tt-process__item,
    .tt-process__item--reverse {
        gap: 22px;
    }

    .tt-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tt-carousel__card {
        flex: 0 0 85%;
        min-width: 240px;
    }

    .tt-carousel-header {
        flex-wrap: wrap;
        gap: 12px;
    }

    .tt-pass-list__box {
        padding: 16px;
    }

    .tt-btn {
        padding: 12px 28px;
        font-size: 0.95rem;
    }

    .tt-video-placeholder {
        width: min(100%, calc(100vw - 24px));
        max-width: none;
    }
}

@media (max-width: 480px) {
    .tt-section,
    .tt-intro-section {
        padding: 42px 0;
    }

    .tt-hero__banner {
        height: clamp(360px, 70svh, 500px);
        object-position: 58% center;
    }

    .tt-hero__title {
        font-size: clamp(1.45rem, 8vw, 2rem);
        padding: 10px 22px 10px 18px;
    }

    .tt-section__eyebrow {
        font-size: clamp(1.35rem, 8vw, 2rem);
    }

    .tt-section__title {
        font-size: clamp(1.45rem, 8vw, 2rem);
        margin-bottom: 18px;
    }

    .tt-intro__desc,
    .tt-process__body p,
    .tt-card__body p {
        font-size: 0.98rem;
        line-height: 1.75;
    }

    .tt-carousel__card {
        flex-basis: 88%;
        min-width: 220px;
    }
}

/* ============================================================
   Reduced Motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    .tt-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .tt-btn:hover,
    .tt-card:hover,
    .tt-carousel__card:hover {
        transform: none;
    }

    .tt-video-placeholder:hover .tt-video-placeholder__play {
        transform: none;
    }

    .tt-carousel__track {
        transition: none;
    }
}