/* =============================================================================
   Landing page
   ========================================================================== */

/* ---- Hero --------------------------------------------------------------- */

.hero {
    min-height: 90vh;
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero__inner {
    text-align: center;
    position: relative;
    z-index: 2;
}

/*
   Circuito ao redor do logo: anéis concêntricos em ::before/::after, escala
   contida para não competir com o texto. Só decoração — aria-hidden por
   construção, já que é pseudo-elemento.
*/
.hero__mark {
    position: relative;
    display: inline-block;
    margin-bottom: 28px;
}

.hero__mark::before,
.hero__mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid var(--border-pink-faint);
    border-radius: 50%;
    pointer-events: none;
}

.hero__mark::before {
    width: 220px;
    height: 220px;
}

.hero__mark::after {
    width: 340px;
    height: 340px;
    border-style: dashed;
    opacity: .5;
}

.hero__mark img {
    width: 88px;
    height: 88px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: clamp(46px, 11vw, 104px);
    line-height: 1;
    letter-spacing: .01em;
    margin-bottom: 28px;
}

.hero__tagline {
    font-family: var(--font-display);
    font-size: clamp(18px, 2.4vw, 26px);
    line-height: 1.5;
    font-weight: 600;
    color: var(--color-gray-light);
    max-width: 18ch;
    margin: 0 auto 44px;
}

.hero__tagline em {
    font-style: normal;
    color: var(--color-pink);
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__meta {
    margin-top: 56px;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    color: var(--color-gray);
    font-size: var(--fs-small);
    letter-spacing: .12em;
    text-transform: uppercase;
    font-weight: 600;
}

.hero__meta span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.hero__meta span::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-pink);
}

@media (max-width: 575px) {

    .hero__mark::after {
        display: none;
    }

    .hero__mark::before {
        width: 170px;
        height: 170px;
    }

    .hero__actions .btn-rosathon {
        width: 100%;
    }
}

/* ---- ROSA → THON -------------------------------------------------------- */

.namesplit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    margin-bottom: 48px;
    font-family: var(--font-display);
    font-size: clamp(32px, 7vw, 64px);
    font-weight: 800;
    letter-spacing: .02em;
}

.namesplit__line {
    flex: 0 1 220px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-gray));
    position: relative;
}

.namesplit__line::before,
.namesplit__line::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translateY(-50%);
}

.namesplit__line::before {
    left: 0;
    background: var(--color-pink);
}

.namesplit__line::after {
    right: 0;
    background: var(--color-gray);
}

@media (max-width: 575px) {
    .namesplit {
        gap: 14px;
    }

    .namesplit__line {
        flex-basis: 40px;
    }
}

/* ---- Transição ROSATHON → HACKATHON ------------------------------------- */

/*
   Três estágios sobrepostos no mesmo espaço. O JS troca a classe conforme o
   IntersectionObserver, e só a opacidade/transform muda — nada de reflow.
*/
.morph {
    position: relative;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 56px;
}

.morph__stage {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    /*
       Sem gap: nos estágios 0 e 3 as partes formam uma palavra só — ROSATHON e
       HACKATHON. O respiro dos estágios intermediários vem da margem do "+",
       onde ele realmente existe.
    */
    gap: 0;
    font-family: var(--font-display);
    font-size: clamp(30px, 6.5vw, 62px);
    font-weight: 800;
    letter-spacing: .02em;
    opacity: 0;
    transform: translateY(14px) scale(.97);
    transition: opacity 500ms ease, transform 500ms ease;
    flex-wrap: wrap;
    text-align: center;
}

.morph__stage.is-active {
    opacity: 1;
    transform: none;
}

.morph__plus {
    color: var(--color-pink);
    font-size: .6em;
    opacity: .8;
    margin: 0 18px;
}

.morph__steps {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 56px;
}

.morph__dot {
    width: 40px;
    height: 3px;
    border-radius: var(--radius-pill);
    background: var(--border-strong);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background-color var(--transition), width var(--transition);
}

.morph__dot.is-active {
    background: var(--color-pink);
    width: 64px;
}

.morph-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.morph-card__term {
    font-family: var(--font-display);
    font-size: var(--fs-h4);
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--color-pink);
    margin-bottom: 14px;
}

.morph-card p {
    color: var(--color-gray-light);
}

@media (max-width: 767px) {
    .morph-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Overview ----------------------------------------------------------- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat {
    text-align: center;
    padding: 36px 20px;
}

.stat__value {
    font-family: var(--font-display);
    font-size: 56px;
    line-height: 1;
    font-weight: 800;
    color: var(--color-pink);
    margin-bottom: 14px;
}

.stat__label {
    font-size: var(--fs-small);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--color-gray);
    font-weight: 600;
}

@media (max-width: 767px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat__value {
        font-size: 44px;
    }
}

/* ---- Cursos ------------------------------------------------------------- */

.course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.course__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-pink-faint);
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-pink);
    background: rgba(255, 59, 157, .06);
    margin-bottom: 24px;
}

.course h3 {
    margin-bottom: 14px;
}

.course p {
    color: var(--color-gray-light);
}

@media (max-width: 767px) {
    .course-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Timeline ----------------------------------------------------------- */

.timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    position: relative;
}

/* Linha horizontal que conecta as três etapas no desktop. */
.timeline::before {
    content: '';
    position: absolute;
    top: 11px;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, var(--color-pink), var(--border-strong));
}

.timeline__item {
    padding: 0 20px;
    position: relative;
}

.timeline__dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--color-pink);
    background: var(--color-black);
    position: relative;
    z-index: 1;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline__dot::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-pink);
}

.timeline__date {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 6px;
}

.timeline__stage {
    font-size: var(--fs-small);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--color-pink);
    font-weight: 700;
    margin-bottom: 22px;
}

.timeline__item li {
    color: var(--color-gray-light);
    padding-left: 18px;
    position: relative;
    margin-bottom: 10px;
}

.timeline__item li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 1px;
    background: var(--color-gray);
}

@media (max-width: 991px) {

    /* Vertical no mobile: a linha vira lateral e os itens empilham. */
    .timeline {
        grid-template-columns: 1fr;
        gap: 44px;
        padding-left: 34px;
    }

    .timeline::before {
        top: 8px;
        bottom: 8px;
        left: 10px;
        right: auto;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, var(--color-pink), var(--border-strong));
    }

    .timeline__item {
        padding: 0;
    }

    .timeline__dot {
        position: absolute;
        left: -34px;
        top: 0;
        margin-bottom: 0;
    }
}

/* ---- Objetivos ---------------------------------------------------------- */

.goal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.goal__num {
    font-family: var(--font-display);
    font-size: var(--fs-small);
    font-weight: 700;
    letter-spacing: .16em;
    color: var(--color-pink);
    margin-bottom: 18px;
}

.goal h4 {
    margin-bottom: 12px;
}

.goal p {
    color: var(--color-gray-light);
    font-size: var(--fs-body);
}

@media (max-width: 991px) {
    .goal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .goal-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Como funciona ------------------------------------------------------ */

.flow {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.flow__step {
    text-align: center;
    position: relative;
    padding: 28px 12px;
    background: var(--color-black-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    transition: border-color var(--transition), transform var(--transition);
}

.flow__step:hover {
    border-color: var(--border-pink);
    transform: translateY(-4px);
}

/* Seta de ligação entre etapas — só no desktop, onde o fluxo é horizontal. */
.flow__step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -12px;
    width: 8px;
    height: 8px;
    border-top: 1px solid var(--color-pink);
    border-right: 1px solid var(--color-pink);
    transform: translateY(-50%) rotate(45deg);
    opacity: .55;
}

.flow__num {
    font-family: var(--font-display);
    font-size: var(--fs-small);
    font-weight: 800;
    letter-spacing: .12em;
    color: var(--color-pink);
    margin-bottom: 12px;
}

.flow__icon {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--color-pink);
}

.flow__label {
    font-family: var(--font-display);
    font-size: var(--fs-small);
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.flow__desc {
    font-size: var(--fs-small);
    line-height: var(--lh-small);
    color: var(--color-gray);
}

@media (max-width: 1199px) {
    .flow {
        grid-template-columns: repeat(3, 1fr);
    }

    .flow__step:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 575px) {
    .flow {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---- Professores -------------------------------------------------------- */

.professor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.professor {
    text-align: center;
    padding: 32px 22px;
}

.professor__photo {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    margin: 0 auto 20px;
    object-fit: cover;
    border: 1px solid var(--border-pink-faint);
    background: var(--color-gray-dark);
}

.professor__name {
    font-family: var(--font-display);
    font-size: var(--fs-h4);
    font-weight: 600;
    margin-bottom: 6px;
}

.professor__role {
    font-size: var(--fs-small);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--color-pink);
    font-weight: 600;
    margin-bottom: 4px;
}

.professor__course {
    font-size: var(--fs-small);
    color: var(--color-gray);
    margin-bottom: 16px;
}

.professor__desc {
    font-size: var(--fs-small);
    line-height: var(--lh-small);
    color: var(--color-gray-light);
}

@media (max-width: 991px) {
    .professor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .professor-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Chamada final ------------------------------------------------------ */

.cta-band {
    text-align: center;
    padding: 88px 32px;
    border: 1px solid var(--border-pink-faint);
    border-radius: var(--radius-card);
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 59, 157, .12), transparent 60%),
        var(--color-black-secondary);
}

.cta-band h2 {
    margin-bottom: 20px;
}

.cta-band p {
    color: var(--color-gray-light);
    max-width: 54ch;
    margin: 0 auto 36px;
}