/* =========================================================
   ATHENACLASS — STYLE.CSS
   Estrutura:
   1. Variáveis e reset
   2. Componentes globais
   3. Cabeçalho e navegação
   4. Seções
   5. Responsividade
   ========================================================= */

/* 1. VARIÁVEIS E RESET */
:root {
    --primary: #181818;
    --primary-dark: #0f0f0f;
    --primary-deep: #050505;
    --primary-light: #f2f2f2;
    --secondary: #d7d7d7;
    --secondary-light: #f7f7f7;
    --accent: #777777;
    --white: #ffffff;
    --surface: #fafafa;
    --surface-2: #f4f4f4;
    --border: #e4e4e4;
    --text: #171717;
    --muted: #626262;
    --muted-light: #c7c7c7;
    --success: #111111;
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 18px 50px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.14);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --container: 1180px;
    --header-height: 84px;
    --transition: 220ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 112px;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--white);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.menu-open {
    overflow: hidden;
}

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

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

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.15;
    letter-spacing: -0.035em;
}

p {
    color: var(--muted);
}

::selection {
    color: var(--white);
    background: var(--primary);
}

/* 2. COMPONENTES GLOBAIS */
.container {
    width: min(calc(100% - 40px), var(--container));
    margin-inline: auto;
}

.section {
    position: relative;
    padding: 112px 0;
}

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

.section--dark {
    overflow: hidden;
    color: var(--white);
    background:
        radial-gradient(circle at 86% 5%, rgba(239, 169, 58, 0.18), transparent 26%),
        radial-gradient(circle at 12% 90%, rgba(92, 72, 184, 0.4), transparent 30%),
        var(--primary-deep);
}

.section--dark p {
    color: var(--muted-light);
}

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 10px;
    left: 10px;
    padding: 10px 16px;
    color: var(--white);
    background: var(--primary-deep);
    border-radius: 8px;
    transform: translateY(-150%);
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}

.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;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 28px;
    height: 2px;
    background: var(--secondary);
    border-radius: 999px;
    content: "";
}

.eyebrow--light {
    color: #d8d1ff;
}

.section-heading {
    max-width: 700px;
    margin-bottom: 56px;
}

.section-heading--center {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-heading--center .eyebrow {
    justify-content: center;
}

.section-heading h2,
.subjects-copy h2,
.teacher-copy h2,
.faq-copy h2,
.contact-copy h2,
.results-copy h2 {
    margin-bottom: 20px;
    font-size: clamp(2rem, 4.1vw, 3.35rem);
}

.section-heading p,
.subjects-copy p,
.teacher-copy > p,
.faq-copy > p,
.contact-copy > p,
.results-copy p {
    max-width: 660px;
    margin-bottom: 0;
    font-size: 1.05rem;
}

.button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 22px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 800;
    line-height: 1;
    transition:
        transform var(--transition),
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

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

.button:focus-visible,
.nav__link:focus-visible,
.text-link:focus-visible,
.service-card a:focus-visible,
.course-card a:focus-visible,
.accordion button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(239, 169, 58, 0.5);
    outline-offset: 3px;
}

.button svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.button--primary {
    color: var(--white);
    background: var(--primary);
    box-shadow: 0 13px 30px rgba(79, 58, 168, 0.25);
}

.button--primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 18px 34px rgba(79, 58, 168, 0.32);
}

.button--ghost {
    color: var(--primary-dark);
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(79, 58, 168, 0.18);
    backdrop-filter: blur(10px);
}

.button--ghost:hover,
.button--outline:hover {
    color: var(--white);
    background: var(--primary);
    border-color: var(--primary);
}

.button--outline {
    color: var(--primary);
    background: transparent;
    border-color: rgba(79, 58, 168, 0.35);
}

.button--small {
    min-height: 44px;
    padding: 11px 18px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.button--full {
    width: 100%;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--primary);
    font-weight: 800;
}

.text-link span {
    transition: transform var(--transition);
}

.text-link:hover span {
    transform: translateX(5px);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 650ms ease,
        transform 650ms ease;
}

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

/* 3. CABEÇALHO E NAVEGAÇÃO */
.topbar {
    color: rgba(255, 255, 255, 0.92);
    background: var(--primary-deep);
    font-size: 0.82rem;
}

.topbar__content {
    display: flex;
    min-height: 38px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.topbar p {
    margin: 0;
    color: inherit;
}

.topbar__links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.topbar__links a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: color var(--transition);
}

.topbar__links a:hover {
    color: var(--secondary);
}

.topbar__links svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.header {
    position: sticky;
    z-index: 1000;
    top: 0;
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(18px);
    transition:
        box-shadow var(--transition),
        border-color var(--transition),
        background var(--transition);
}

.header.is-scrolled {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(40, 31, 74, 0.08);
    box-shadow: 0 8px 30px rgba(35, 25, 79, 0.08);
}

.header__content {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

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

.brand__symbol {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    color: var(--white);
    background: linear-gradient(145deg, var(--primary), var(--primary-deep));
    border-radius: 15px;
    box-shadow: 0 12px 25px rgba(79, 58, 168, 0.24);
}

.brand__symbol svg {
    width: 38px;
    height: 38px;
}

.brand__symbol svg > path:first-child {
    fill: var(--secondary);
}

.brand__symbol-detail {
    fill: none;
    stroke: var(--white);
    stroke-linecap: round;
    stroke-width: 2.2;
}

.brand__symbol-eye {
    fill: var(--primary-deep);
}

.brand__text {
    display: grid;
    grid-template-columns: auto auto;
    align-items: baseline;
    color: var(--primary-dark);
    font-size: 1.22rem;
    letter-spacing: -0.04em;
    line-height: 1;
}

.brand__text strong {
    font-size: 1.48rem;
    font-weight: 900;
}

.brand__text > span {
    color: var(--secondary);
    font-size: 1.48rem;
    font-weight: 900;
}

.brand__text small {
    grid-column: 1 / -1;
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav__link {
    position: relative;
    padding: 12px 10px;
    color: #504a5f;
    font-size: 0.91rem;
    font-weight: 700;
    transition: color var(--transition);
}

.nav__link::after {
    position: absolute;
    right: 10px;
    bottom: 5px;
    left: 10px;
    height: 2px;
    background: var(--secondary);
    border-radius: 999px;
    content: "";
    transform: scaleX(0);
    transition: transform var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary);
}

.nav__link.active::after {
    transform: scaleX(1);
}

.nav__cta {
    margin-left: 8px;
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 13px;
}

.menu-toggle > span:not(.sr-only) {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--primary-dark);
    border-radius: 999px;
    transition:
        transform var(--transition),
        opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] > span:nth-of-type(2) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] > span:nth-of-type(3) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] > span:nth-of-type(4) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 4. SEÇÕES */

/* Hero */
.hero {
    overflow: hidden;
    padding-top: 86px;
    background:
        linear-gradient(180deg, #fbfaff 0%, #ffffff 70%),
        var(--white);
}

.hero__glow {
    position: absolute;
    border-radius: 999px;
    filter: blur(2px);
    pointer-events: none;
}

.hero__glow--one {
    top: 40px;
    right: -180px;
    width: 540px;
    height: 540px;
    background: radial-gradient(circle, rgba(79, 58, 168, 0.16), rgba(79, 58, 168, 0));
}

.hero__glow--two {
    bottom: 30px;
    left: -260px;
    width: 540px;
    height: 540px;
    background: radial-gradient(circle, rgba(239, 169, 58, 0.14), rgba(239, 169, 58, 0));
}

.hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
    align-items: center;
    gap: 70px;
}

.hero__content h1 {
    max-width: 690px;
    margin-bottom: 24px;
    color: var(--primary-deep);
    font-size: clamp(2.75rem, 5.4vw, 5.2rem);
    line-height: 1.02;
}

.hero__content h1 span {
    display: block;
    color: var(--primary);
}

.hero__description {
    max-width: 650px;
    margin-bottom: 32px;
    font-size: 1.12rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero__checks {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    padding: 0;
    margin: 30px 0 0;
    list-style: none;
}

.hero__checks li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #504a5f;
    font-size: 0.9rem;
    font-weight: 700;
}

.hero__checks li span {
    display: grid;
    width: 22px;
    height: 22px;
    place-items: center;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 50%;
    font-size: 0.75rem;
}

.hero__visual {
    position: relative;
    min-height: 520px;
}

.hero__visual::before {
    position: absolute;
    inset: 35px 30px 25px 30px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
        linear-gradient(145deg, var(--primary), #7461c8);
    background-size: 36px 36px, 36px 36px, auto;
    border-radius: 48% 52% 44% 56% / 47% 42% 58% 53%;
    box-shadow: var(--shadow-lg);
    content: "";
    transform: rotate(-3deg);
}

.hero-card {
    background: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.62);
    box-shadow: var(--shadow-md);
}

.hero-card--main {
    position: absolute;
    z-index: 2;
    top: 95px;
    right: 5%;
    left: 7%;
    padding: 22px;
    border-radius: 26px;
    transform: rotate(1.2deg);
}

.hero-card__top {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 18px;
    color: var(--primary-dark);
    font-size: 0.82rem;
    font-weight: 800;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(40, 183, 141, 0.12);
}

.hero-card__time {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.74rem;
}

.lesson-board {
    padding: 22px;
    color: var(--white);
    background:
        radial-gradient(circle at 90% 10%, rgba(239, 169, 58, 0.25), transparent 28%),
        var(--primary-deep);
    border-radius: 19px;
}

.lesson-board__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.75rem;
}

.lesson-board__header span {
    color: var(--muted-light);
}

.lesson-board__header strong {
    padding: 5px 9px;
    color: #ffe3aa;
    background: rgba(239, 169, 58, 0.12);
    border-radius: 999px;
}

.lesson-board__equation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 110px;
    color: var(--white);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.5rem, 4vw, 2.3rem);
}

.lesson-board__equation span:nth-child(odd) {
    color: #ffe1a4;
}

.lesson-board__progress {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px 12px;
    color: var(--muted-light);
    font-size: 0.72rem;
}

.lesson-board__progress strong {
    color: var(--white);
}

.lesson-board__progress > div {
    grid-column: 1 / -1;
    height: 7px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.13);
    border-radius: 999px;
}

.lesson-board__progress i {
    display: block;
    width: 82%;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), #ffd998);
    border-radius: inherit;
}

.student-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
}

.student-avatar {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: var(--white);
    background: linear-gradient(145deg, var(--secondary), #e38132);
    border-radius: 13px;
    font-weight: 900;
}

.student-row strong,
.student-row small {
    display: block;
}

.student-row strong {
    color: var(--primary-dark);
    font-size: 0.86rem;
}

.student-row small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.7rem;
}

.status-badge {
    padding: 6px 9px;
    color: #177459;
    background: rgba(40, 183, 141, 0.11);
    border-radius: 999px;
    font-size: 0.63rem;
    font-weight: 800;
}

.hero-card--floating {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 14px 16px;
    border-radius: 16px;
}

.hero-card--floating strong,
.hero-card--floating small {
    display: block;
}

.hero-card--floating strong {
    color: var(--primary-dark);
    font-size: 0.78rem;
}

.hero-card--floating small {
    color: var(--muted);
    font-size: 0.64rem;
}

.hero-card--subjects {
    top: 45px;
    left: 0;
    transform: rotate(-3deg);
}

.hero-card--support {
    right: 0;
    bottom: 50px;
    transform: rotate(2deg);
}

.floating-icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    place-items: center;
    color: var(--white);
    background: var(--primary);
    border-radius: 13px;
    font-family: Georgia, serif;
    font-size: 1.35rem;
    font-weight: 900;
}

.floating-icon svg {
    width: 21px;
    height: 21px;
    fill: currentColor;
}

.hero-card--support .floating-icon {
    background: var(--secondary);
}

.stats {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin-top: 72px;
    overflow: hidden;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow-sm);
}

.stats article {
    display: flex;
    min-height: 128px;
    flex-direction: column;
    justify-content: center;
    padding: 24px 28px;
    background: var(--white);
}

.stats strong {
    color: var(--primary);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.05em;
}

.stats span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
}

/* Serviços */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.service-card {
    display: flex;
    min-height: 340px;
    flex-direction: column;
    padding: 30px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.service-card:hover {
    border-color: rgba(79, 58, 168, 0.25);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
}

.service-card__icon {
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 17px;
}

.service-card__icon svg {
    width: 27px;
    height: 27px;
    fill: currentColor;
}

.service-card:nth-child(2) .service-card__icon {
    color: #a66009;
    background: var(--secondary-light);
}

.service-card:nth-child(3) .service-card__icon {
    color: #11775c;
    background: rgba(40, 183, 141, 0.12);
}

.service-card:nth-child(4) .service-card__icon {
    color: #a64970;
    background: #fde8f1;
}

.service-card h3 {
    margin: 24px 0 14px;
    font-size: 1.28rem;
}

.service-card p {
    margin-bottom: 24px;
    font-size: 0.92rem;
}

.service-card a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: auto;
    color: var(--primary);
    font-size: 0.83rem;
    font-weight: 800;
}

.service-card a span {
    transition: transform var(--transition);
}

.service-card a:hover span {
    transform: translateX(5px);
}

/* Disciplinas */
.subjects-section {
    overflow: hidden;
}

.subjects-section::after {
    position: absolute;
    right: -130px;
    bottom: -210px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(239, 169, 58, 0.12), transparent 66%);
    content: "";
    pointer-events: none;
}

.subjects-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 80px;
}

.subject-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding: 45px;
    background:
        radial-gradient(circle at 20% 20%, rgba(79, 58, 168, 0.12), transparent 33%),
        var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.subject-cloud span {
    padding: 12px 17px;
    color: var(--primary-dark);
    background: var(--white);
    border: 1px solid rgba(79, 58, 168, 0.14);
    border-radius: 999px;
    box-shadow: 0 7px 18px rgba(42, 31, 87, 0.06);
    font-size: 0.87rem;
    font-weight: 800;
    transition:
        color var(--transition),
        background var(--transition),
        transform var(--transition);
}

.subject-cloud span:nth-child(3n + 2) {
    color: #9a5f08;
    border-color: rgba(239, 169, 58, 0.26);
}

.subject-cloud span:nth-child(4n) {
    color: #16765d;
    border-color: rgba(40, 183, 141, 0.28);
}

.subject-cloud span:hover {
    color: var(--white);
    background: var(--primary);
    transform: translateY(-3px);
}

/* Diferenciais */
.section--dark .section-heading h2 {
    color: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.feature-card {
    min-height: 285px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.065);
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition:
        transform var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(239, 169, 58, 0.35);
    transform: translateY(-6px);
}

.feature-card > span {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    color: var(--secondary);
    background: rgba(239, 169, 58, 0.11);
    border: 1px solid rgba(239, 169, 58, 0.18);
    border-radius: 14px;
    font-size: 0.78rem;
    font-weight: 900;
}

.feature-card h3 {
    margin: 54px 0 14px;
    color: var(--white);
    font-size: 1.18rem;
}

.feature-card p {
    margin-bottom: 0;
    font-size: 0.88rem;
}

.process-box {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    align-items: center;
    gap: 50px;
    margin-top: 22px;
    padding: 38px;
    background:
        linear-gradient(135deg, rgba(79, 58, 168, 0.7), rgba(79, 58, 168, 0.27)),
        rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
}

.process-box h3 {
    margin-bottom: 0;
    color: var(--white);
    font-size: 1.65rem;
}

.process-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.process-list li {
    display: flex;
    align-items: center;
    gap: 11px;
    min-height: 92px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.process-list li > span {
    display: grid;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    place-items: center;
    color: var(--primary-deep);
    background: var(--secondary);
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 900;
}

.process-list strong,
.process-list small {
    display: block;
}

.process-list strong {
    color: var(--white);
    font-size: 0.76rem;
}

.process-list small {
    margin-top: 3px;
    color: var(--muted-light);
    font-size: 0.66rem;
}

/* Professores */
.teacher-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    align-items: center;
    gap: 85px;
}

.teacher-profile {
    padding: 26px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.teacher-profile__portrait {
    position: relative;
    display: grid;
    min-height: 390px;
    place-items: center;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent),
        linear-gradient(145deg, var(--primary), var(--primary-deep));
    border-radius: 25px;
}

.teacher-profile__portrait::before,
.teacher-profile__portrait::after {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 50%;
    content: "";
}

.teacher-profile__portrait::before {
    width: 280px;
    height: 280px;
}

.teacher-profile__portrait::after {
    width: 390px;
    height: 390px;
}

.teacher-profile__portrait > span {
    position: relative;
    z-index: 2;
    display: grid;
    width: 155px;
    height: 155px;
    place-items: center;
    color: var(--primary-dark);
    background: linear-gradient(145deg, #fff1cc, var(--secondary));
    border: 8px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    box-shadow: 0 25px 50px rgba(15, 10, 42, 0.25);
    font-size: 3.2rem;
    font-weight: 900;
    letter-spacing: -0.08em;
}

.teacher-profile__badge {
    position: absolute;
    z-index: 3;
    right: 18px;
    bottom: 18px;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 13px;
    color: var(--primary-deep);
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    font-size: 0.72rem;
    font-weight: 900;
}

.teacher-profile__badge svg {
    width: 16px;
    height: 16px;
    fill: var(--secondary);
}

.teacher-profile__meta {
    padding: 24px 6px 4px;
}

.teacher-profile__meta > span {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.teacher-profile__meta h3 {
    margin: 7px 0 9px;
    font-size: 1.55rem;
}

.teacher-profile__meta p {
    margin-bottom: 0;
    font-size: 0.88rem;
}

.teacher-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin: 30px 0;
}

.teacher-points div {
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.teacher-points strong,
.teacher-points span {
    display: block;
}

.teacher-points strong {
    margin-bottom: 6px;
    color: var(--primary-dark);
}

.teacher-points span {
    color: var(--muted);
    font-size: 0.78rem;
}

/* Cursos */
.course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.course-card {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.course-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-7px);
}

.course-card__visual {
    display: grid;
    min-height: 235px;
    place-items: center;
    overflow: hidden;
}

.course-card__visual--cube {
    background:
        radial-gradient(circle at 80% 20%, rgba(239, 169, 58, 0.36), transparent 26%),
        var(--primary-light);
}

.cube {
    display: grid;
    width: 120px;
    height: 120px;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    padding: 8px;
    background: var(--primary-deep);
    border: 4px solid var(--white);
    border-radius: 14px;
    box-shadow: 18px 20px 35px rgba(33, 25, 77, 0.18);
    transform: rotate(-10deg);
}

.cube span {
    background: var(--secondary);
    border-radius: 4px;
}

.cube span:nth-child(2),
.cube span:nth-child(6),
.cube span:nth-child(7) {
    background: var(--primary);
}

.cube span:nth-child(3),
.cube span:nth-child(5) {
    background: var(--accent);
}

.cube span:nth-child(4),
.cube span:nth-child(9) {
    background: #ee6f67;
}

.course-card__visual--chess {
    color: #ffe2a3;
    background:
        linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.04) 75%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.04) 75%),
        var(--primary-deep);
    background-position: 0 0, 24px 24px;
    background-size: 48px 48px;
    font-size: 8rem;
    text-shadow: 14px 18px 25px rgba(0, 0, 0, 0.26);
}

.course-card__visual--stats {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 14px;
    padding-bottom: 48px;
    background:
        radial-gradient(circle at 20% 20%, rgba(40, 183, 141, 0.2), transparent 28%),
        #ecfaf6;
}

.course-card__visual--stats span {
    width: 38px;
    background: linear-gradient(180deg, var(--accent), #16775d);
    border-radius: 8px 8px 3px 3px;
    box-shadow: 7px 12px 20px rgba(22, 119, 93, 0.15);
}

.course-card__visual--stats span:nth-child(1) {
    height: 62px;
}

.course-card__visual--stats span:nth-child(2) {
    height: 110px;
}

.course-card__visual--stats span:nth-child(3) {
    height: 82px;
}

.course-card__visual--stats span:nth-child(4) {
    height: 145px;
}

.course-card__body {
    padding: 28px;
}

.course-card__tag {
    color: var(--primary);
    font-size: 0.71rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.course-card__body h3 {
    margin: 10px 0 13px;
    font-size: 1.42rem;
}

.course-card__body p {
    min-height: 76px;
    margin-bottom: 24px;
    font-size: 0.88rem;
}

.course-card__body a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 800;
}

/* Resultados */
.results-section {
    padding-top: 0;
}

.results-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    padding: 58px;
    background:
        radial-gradient(circle at 100% 0, rgba(239, 169, 58, 0.18), transparent 28%),
        var(--primary-light);
    border: 1px solid rgba(79, 58, 168, 0.12);
    border-radius: var(--radius-lg);
}

.results-list {
    display: grid;
    gap: 14px;
}

.results-list article {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(79, 58, 168, 0.11);
    border-radius: 16px;
}

.results-list article > span {
    display: grid;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    place-items: center;
    color: var(--white);
    background: var(--primary);
    border-radius: 10px;
    font-weight: 900;
}

.results-list strong,
.results-list small {
    display: block;
}

.results-list strong {
    color: var(--primary-dark);
}

.results-list small {
    margin-top: 4px;
    color: var(--muted);
}

/* FAQ */
.faq-layout {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    align-items: start;
    gap: 85px;
}

.faq-copy {
    position: sticky;
    top: 130px;
}

.faq-copy .button {
    margin-top: 28px;
}

.accordion {
    display: grid;
    gap: 12px;
}

.accordion__item {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.accordion__item button {
    display: flex;
    width: 100%;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 19px 22px;
    color: var(--text);
    text-align: left;
    background: transparent;
    border: 0;
    font-weight: 800;
}

.accordion__item button > span {
    position: relative;
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    background: var(--primary-light);
    border-radius: 8px;
}

.accordion__item button > span::before,
.accordion__item button > span::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 11px;
    height: 2px;
    background: var(--primary);
    border-radius: 999px;
    content: "";
    transform: translate(-50%, -50%);
    transition: transform var(--transition);
}

.accordion__item button > span::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion__item button[aria-expanded="true"] > span::after {
    transform: translate(-50%, -50%) rotate(0);
}

.accordion__content {
    padding: 0 22px 20px;
}

.accordion__content p {
    margin: 0;
    font-size: 0.9rem;
}

/* Contato */
.contact-section {
    overflow: hidden;
    color: var(--white);
    background:
        radial-gradient(circle at 10% 20%, rgba(118, 98, 200, 0.55), transparent 30%),
        var(--primary-deep);
}

.contact-section__shape {
    position: absolute;
    right: -160px;
    bottom: -240px;
    width: 520px;
    height: 520px;
    border: 80px solid rgba(239, 169, 58, 0.08);
    border-radius: 50%;
    pointer-events: none;
}

.contact-layout {
    position: relative;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    align-items: center;
    gap: 75px;
}

.contact-copy h2 {
    color: var(--white);
}

.contact-copy > p {
    color: var(--muted-light);
}

.contact-cards {
    display: grid;
    gap: 12px;
    margin-top: 32px;
}

.contact-cards a {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 15px;
    transition:
        background var(--transition),
        transform var(--transition);
}

.contact-cards a:hover {
    background: rgba(255, 255, 255, 0.11);
    transform: translateX(5px);
}

.contact-cards a > span {
    display: grid;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    place-items: center;
    color: var(--primary-deep);
    background: var(--secondary);
    border-radius: 12px;
}

.contact-cards svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.contact-cards small,
.contact-cards strong {
    display: block;
}

.contact-cards small {
    color: var(--muted-light);
    font-size: 0.68rem;
}

.contact-cards strong {
    margin-top: 2px;
    color: var(--white);
    font-size: 0.9rem;
}

.contact-form {
    padding: 36px;
    color: var(--text);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 70px rgba(12, 8, 34, 0.28);
}

.form-heading span {
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.form-heading h3 {
    margin: 7px 0 24px;
    font-size: 1.65rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-grid label {
    display: grid;
    gap: 7px;
}

.form-grid label > span {
    color: #4c465a;
    font-size: 0.75rem;
    font-weight: 800;
}

.form-grid__full {
    grid-column: 1 / -1;
}

input,
select,
textarea {
    width: 100%;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    outline: 0;
    transition:
        background var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

input,
select {
    min-height: 50px;
    padding: 0 14px;
}

textarea {
    min-height: 125px;
    padding: 13px 14px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    background: var(--white);
    border-color: rgba(79, 58, 168, 0.48);
    box-shadow: 0 0 0 4px rgba(79, 58, 168, 0.08);
}

.contact-form .button {
    margin-top: 18px;
}

.form-note {
    margin: 12px 0 0;
    text-align: center;
    font-size: 0.69rem;
}

/* Footer */
.footer {
    color: rgba(255, 255, 255, 0.78);
    background: #17122f;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 0.7fr);
    gap: 50px;
    padding-top: 72px;
    padding-bottom: 54px;
}

.brand--footer .brand__text {
    color: var(--white);
}

.brand--footer .brand__text small {
    color: rgba(255, 255, 255, 0.5);
}

.footer__about p {
    max-width: 330px;
    margin: 20px 0 0;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.85rem;
}

.footer__column {
    display: grid;
    align-content: start;
    gap: 10px;
}

.footer__column h3 {
    margin-bottom: 8px;
    color: var(--white);
    font-size: 0.9rem;
    letter-spacing: 0;
}

.footer__column a,
.footer__column span {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.8rem;
}

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

.footer__column a:hover {
    color: var(--secondary);
}

.footer__bottom {
    display: flex;
    min-height: 74px;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.42);
    font-size: 0.74rem;
}

.footer__bottom a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.75rem;
    font-weight: 800;
}

.whatsapp-float {
    position: fixed;
    z-index: 900;
    right: 22px;
    bottom: 22px;
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    color: var(--white);
    background: var(--success);
    border: 4px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 14px 28px rgba(20, 146, 71, 0.27);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.whatsapp-float:hover {
    box-shadow: 0 18px 35px rgba(20, 146, 71, 0.35);
    transform: translateY(-4px) scale(1.03);
}

.whatsapp-float svg {
    width: 31px;
    height: 31px;
    fill: currentColor;
}

/* 5. RESPONSIVIDADE */
@media (max-width: 1100px) {
    :root {
        --header-height: 76px;
    }

    .menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: calc(var(--header-height) + 38px);
        right: 20px;
        left: 20px;
        display: grid;
        max-height: calc(100vh - 140px);
        align-content: start;
        gap: 2px;
        padding: 18px;
        overflow-y: auto;
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: 20px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition:
            opacity var(--transition),
            transform var(--transition);
    }

    .nav.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav__link {
        padding: 13px 14px;
        border-radius: 10px;
    }

    .nav__link::after {
        display: none;
    }

    .nav__link:hover,
    .nav__link.active {
        background: var(--primary-light);
    }

    .nav__cta {
        margin: 8px 0 0;
    }

    .hero__grid {
        grid-template-columns: 1fr 0.9fr;
        gap: 35px;
    }

    .hero__visual {
        min-height: 480px;
    }

    .service-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-box {
        grid-template-columns: 1fr;
    }

    .teacher-layout,
    .faq-layout,
    .contact-layout {
        gap: 50px;
    }
}

@media (max-width: 900px) {
    .section {
        padding: 90px 0;
    }

    .hero {
        padding-top: 65px;
    }

    .hero__grid,
    .subjects-layout,
    .teacher-layout,
    .results-box,
    .faq-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero__content {
        max-width: 760px;
    }

    .hero__visual {
        width: min(100%, 620px);
        min-height: 520px;
        margin: 10px auto 0;
    }

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

    .subjects-layout,
    .teacher-layout,
    .faq-layout,
    .contact-layout {
        gap: 48px;
    }

    .subject-cloud {
        padding: 34px;
    }

    .teacher-profile {
        width: min(100%, 560px);
        margin-inline: auto;
    }

    .faq-copy {
        position: static;
    }

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

    .course-card:last-child {
        grid-column: 1 / -1;
        width: calc(50% - 11px);
        margin-inline: auto;
    }

    .results-box {
        gap: 35px;
        padding: 42px;
    }

    .footer__grid {
        grid-template-columns: 1.3fr repeat(2, 0.7fr);
    }

    .footer__column:last-child {
        grid-column: 2 / -1;
    }
}

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

    .topbar__content {
        justify-content: center;
    }

    .topbar__content > p,
    .topbar__links a:last-child {
        display: none;
    }

    .topbar__links {
        width: 100%;
        justify-content: center;
    }

    .header__content {
        gap: 14px;
    }

    .brand__symbol {
        width: 43px;
        height: 43px;
    }

    .brand__text strong,
    .brand__text > span {
        font-size: 1.22rem;
    }

    .brand__text small {
        font-size: 0.54rem;
    }

    .nav {
        top: calc(var(--header-height) + 38px);
        right: 14px;
        left: 14px;
    }

    .hero__content h1 {
        font-size: clamp(2.55rem, 12vw, 4rem);
    }

    .hero__description {
        font-size: 1rem;
    }

    .hero__actions .button {
        width: 100%;
    }

    .hero__checks {
        display: grid;
        gap: 11px;
    }

    .hero__visual {
        min-height: 470px;
    }

    .hero__visual::before {
        inset: 25px 5px;
    }

    .hero-card--main {
        top: 82px;
        right: 4%;
        left: 4%;
        padding: 16px;
    }

    .hero-card--subjects {
        top: 25px;
        left: -2px;
    }

    .hero-card--support {
        right: -2px;
        bottom: 28px;
    }

    .floating-icon {
        width: 37px;
        height: 37px;
    }

    .hero-card--floating {
        padding: 11px 12px;
    }

    .stats,
    .service-grid,
    .feature-grid,
    .process-list,
    .teacher-points,
    .course-grid,
    .form-grid,
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .stats article {
        min-height: 105px;
    }

    .service-card {
        min-height: auto;
    }

    .process-box {
        padding: 28px 22px;
    }

    .process-list li {
        min-height: 78px;
    }

    .teacher-profile {
        padding: 16px;
    }

    .teacher-profile__portrait {
        min-height: 320px;
    }

    .course-card:last-child {
        grid-column: auto;
        width: 100%;
    }

    .course-card__body p {
        min-height: 0;
    }

    .results-box {
        padding: 30px 22px;
    }

    .contact-form {
        padding: 27px 20px;
    }

    .form-grid__full {
        grid-column: auto;
    }

    .footer__grid {
        gap: 30px;
        padding-top: 58px;
    }

    .footer__column:last-child {
        grid-column: auto;
    }

    .footer__bottom {
        flex-direction: column;
        justify-content: center;
        padding: 20px 0;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 76px 0;
    }

    .section-heading {
        margin-bottom: 38px;
    }

    .hero {
        padding-top: 50px;
    }

    .hero__visual {
        min-height: 420px;
    }

    .hero-card__top {
        margin-bottom: 12px;
    }

    .lesson-board {
        padding: 16px;
    }

    .lesson-board__equation {
        min-height: 80px;
    }

    .student-row {
        grid-template-columns: auto 1fr;
    }

    .status-badge {
        display: none;
    }

    .hero-card--floating small {
        display: none;
    }

    .hero-card--support {
        bottom: 12px;
    }

    .subject-cloud {
        padding: 24px 18px;
    }

    .subject-cloud span {
        padding: 10px 13px;
        font-size: 0.77rem;
    }

    .teacher-profile__portrait > span {
        width: 130px;
        height: 130px;
        font-size: 2.7rem;
    }

    .whatsapp-float {
        right: 14px;
        bottom: 14px;
        width: 54px;
        height: 54px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}


/* =========================================================
   PÁGINAS INTERNAS E NAVEGAÇÃO ENTRE PÁGINAS
   ========================================================= */

.page-navigation {
    padding-top: 96px;
    padding-bottom: 96px;
}

.page-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.page-card {
    position: relative;
    display: flex;
    min-height: 350px;
    flex-direction: column;
    padding: 32px;
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.page-card::after {
    position: absolute;
    right: -45px;
    bottom: -55px;
    width: 150px;
    height: 150px;
    background: var(--primary-light);
    border-radius: 50%;
    content: "";
    transition: transform var(--transition);
}

.page-card:hover {
    border-color: rgba(79, 58, 168, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
}

.page-card:hover::after {
    transform: scale(1.18);
}

.page-card__number {
    position: absolute;
    top: 26px;
    right: 28px;
    color: rgba(79, 58, 168, 0.22);
    font-size: 1rem;
    font-weight: 900;
}

.page-card__icon {
    display: grid;
    width: 62px;
    height: 62px;
    place-items: center;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 18px;
}

.page-card:nth-child(2) .page-card__icon {
    color: #a66009;
    background: var(--secondary-light);
}

.page-card:nth-child(3) .page-card__icon {
    color: #11775c;
    background: rgba(40, 183, 141, 0.12);
}

.page-card__icon svg {
    width: 29px;
    height: 29px;
    fill: currentColor;
}

.page-card h3 {
    margin: 30px 0 14px;
    font-size: 1.5rem;
}

.page-card p {
    margin-bottom: 28px;
    font-size: 0.92rem;
}

.page-card strong {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    color: var(--primary);
    font-size: 0.84rem;
}

.page-card strong span {
    transition: transform var(--transition);
}

.page-card:hover strong span {
    transform: translateX(5px);
}

.inner-hero {
    overflow: hidden;
    padding: 90px 0;
    background:
        radial-gradient(circle at 85% 12%, rgba(239, 169, 58, 0.16), transparent 28%),
        linear-gradient(180deg, #fbfaff, #ffffff);
}

.inner-hero__glow {
    position: absolute;
    top: -240px;
    left: -240px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(79, 58, 168, 0.15), transparent 68%);
    border-radius: 50%;
    pointer-events: none;
}

.inner-hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 70px;
}

.inner-hero__content h1 {
    max-width: 760px;
    margin-bottom: 22px;
    color: var(--primary-deep);
    font-size: clamp(2.6rem, 5.2vw, 4.7rem);
}

.inner-hero__content p {
    max-width: 680px;
    margin-bottom: 30px;
    font-size: 1.08rem;
}

.inner-hero__visual {
    position: relative;
    display: grid;
    width: min(100%, 360px);
    aspect-ratio: 1;
    place-items: center;
    justify-self: end;
    background:
        linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        linear-gradient(145deg, var(--primary), var(--primary-deep));
    background-size: 34px 34px, 34px 34px, auto;
    border-radius: 38% 62% 55% 45% / 48% 42% 58% 52%;
    box-shadow: var(--shadow-lg);
    transform: rotate(3deg);
}

.inner-hero__visual > span {
    position: relative;
    z-index: 2;
    display: grid;
    width: 150px;
    height: 150px;
    place-items: center;
    color: var(--primary-deep);
    background: linear-gradient(145deg, #fff3d5, var(--secondary));
    border: 8px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    box-shadow: 0 25px 45px rgba(18, 11, 50, 0.3);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 4.2rem;
    font-weight: 900;
}

.inner-hero__visual i {
    position: absolute;
    display: block;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
}

.inner-hero__visual i:nth-of-type(1) {
    top: 35px;
    right: 40px;
    width: 38px;
    height: 38px;
}

.inner-hero__visual i:nth-of-type(2) {
    bottom: 48px;
    left: 34px;
    width: 55px;
    height: 55px;
}

.inner-hero__visual i:nth-of-type(3) {
    right: 25px;
    bottom: 84px;
    width: 20px;
    height: 20px;
    background: var(--secondary);
}

.mini-cta-section {
    padding-top: 0;
}

.mini-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    padding: 48px 52px;
    color: var(--white);
    background:
        radial-gradient(circle at 88% 10%, rgba(239, 169, 58, 0.24), transparent 25%),
        var(--primary-deep);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.mini-cta h2 {
    max-width: 680px;
    margin-bottom: 12px;
    color: var(--white);
    font-size: clamp(1.8rem, 3.8vw, 2.8rem);
}

.mini-cta p {
    max-width: 680px;
    margin-bottom: 0;
    color: var(--muted-light);
}

.mini-cta__button {
    flex-shrink: 0;
    color: var(--primary-deep);
    background: var(--secondary);
    box-shadow: none;
}

.mini-cta__button:hover {
    color: var(--primary-deep);
    background: #ffc861;
}

@media (max-width: 900px) {
    .page-card-grid {
        grid-template-columns: 1fr;
    }

    .page-card {
        min-height: 280px;
    }

    .inner-hero__grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .inner-hero__visual {
        width: min(100%, 330px);
        justify-self: center;
    }

    .mini-cta {
        align-items: flex-start;
        flex-direction: column;
        padding: 40px;
    }
}

@media (max-width: 700px) {
    .inner-hero {
        padding: 70px 0;
    }

    .inner-hero__visual {
        width: min(92%, 300px);
    }

    .inner-hero__visual > span {
        width: 125px;
        height: 125px;
        font-size: 3.4rem;
    }

    .mini-cta {
        padding: 32px 24px;
    }

    .mini-cta__button {
        width: 100%;
    }
}


/* =========================================================
   ATHENACLASS V3 — IDENTIDADE VISUAL MONOCROMÁTICA
   ========================================================= */

body {
    background: #ffffff;
}

.topbar {
    background: var(--primary-deep);
}

.header {
    background: rgba(255, 255, 255, 0.94);
}

.brand__symbol {
    width: 58px;
    height: 58px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 50%;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.10);
}

.brand__symbol img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand__text strong,
.brand__text > span {
    color: var(--primary-deep);
    font-size: 1.28rem;
}

.brand__text > span {
    margin-left: 4px;
}

.brand__text small {
    color: var(--muted);
}

.button--primary {
    background: var(--primary-deep);
    box-shadow: 0 13px 30px rgba(0, 0, 0, 0.18);
}

.button--primary:hover {
    background: #2a2a2a;
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
}

.button--ghost,
.button--outline,
.service-card__icon,
.page-card__icon,
.hero__checks li span,
.subject-cloud span,
.contact-cards a > span,
.feature-card > span,
.teacher-profile__badge,
.hero-card--support .floating-icon,
.hero-card--subjects .floating-icon {
    color: var(--primary-deep);
}

.button--ghost {
    background: rgba(255, 255, 255, 0.86);
    border-color: rgba(0, 0, 0, 0.08);
}

.hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8f8f8 80%);
}

.hero__glow--one,
.hero__glow--two {
    opacity: 0.75;
}

.hero__visual::before,
.inner-hero__visual {
    background:
        linear-gradient(rgba(255, 255, 255, 0.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.10) 1px, transparent 1px),
        linear-gradient(145deg, #1d1d1d, #080808);
}

.lesson-board,
.contact-section,
.mini-cta {
    background:
        radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.08), transparent 26%),
        var(--primary-deep);
}

.section--dark {
    background:
        radial-gradient(circle at 86% 5%, rgba(255, 255, 255, 0.08), transparent 26%),
        radial-gradient(circle at 12% 90%, rgba(160, 160, 160, 0.15), transparent 30%),
        var(--primary-deep);
}

.eyebrow,
.nav__link:hover,
.nav__link.active,
.text-link,
.service-card a,
.course-card__body a,
.page-card strong,
.contact-copy .eyebrow,
.contact-section .eyebrow,
.teacher-profile__meta > span,
.course-card__tag {
    color: var(--primary);
}

.eyebrow::before,
.nav__link::after {
    background: var(--primary);
}

.service-card:nth-child(2) .service-card__icon,
.service-card:nth-child(3) .service-card__icon,
.service-card:nth-child(4) .service-card__icon,
.page-card:nth-child(2) .page-card__icon,
.page-card:nth-child(3) .page-card__icon,
.page-card:nth-child(4) .page-card__icon {
    color: var(--primary-deep);
    background: var(--primary-light);
}

.subject-cloud span:nth-child(3n + 2),
.subject-cloud span:nth-child(4n) {
    color: var(--primary-deep);
    border-color: rgba(0, 0, 0, 0.09);
}

.subject-cloud span:hover,
.page-card:hover .page-card__icon,
.service-card:hover .service-card__icon {
    color: #ffffff;
    background: var(--primary-deep);
}

.course-card__visual--cube {
    background:
        radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.10), transparent 26%),
        #f1f1f1;
}

.cube {
    background: #151515;
    border-color: #ffffff;
}

.cube span,
.cube span:nth-child(2),
.cube span:nth-child(3),
.cube span:nth-child(4),
.cube span:nth-child(5),
.cube span:nth-child(6),
.cube span:nth-child(7),
.cube span:nth-child(9) {
    background: #d6d6d6;
}

.course-card__visual--chess {
    color: #f2f2f2;
    background:
        linear-gradient(45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.03) 75%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.03) 75%),
        #111111;
    background-position: 0 0, 24px 24px;
    background-size: 48px 48px;
}

.course-card__visual--stats {
    background:
        radial-gradient(circle at 20% 20%, rgba(0, 0, 0, 0.08), transparent 28%),
        #f5f5f5;
}

.course-card__visual--stats span {
    background: linear-gradient(180deg, #2b2b2b, #111111);
    box-shadow: 7px 12px 20px rgba(0, 0, 0, 0.10);
}

.teacher-profile__portrait {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent),
        linear-gradient(145deg, #1b1b1b, #080808);
}

.teacher-profile__portrait > span,
.inner-hero__visual > span {
    color: var(--primary-deep);
    background: linear-gradient(145deg, #ffffff, #d9d9d9);
}

.contact-cards a > span,
.hero-card--support .floating-icon,
.hero-card--subjects .floating-icon,
.feature-card > span,
.teacher-profile__badge {
    background: #ffffff;
}

.whatsapp-float {
    background: var(--primary-deep);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.24);
}

.whatsapp-float:hover {
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.28);
}

.footer {
    background: #0b0b0b;
}

.results-box {
    background:
        radial-gradient(circle at 100% 0, rgba(0, 0, 0, 0.08), transparent 28%),
        #f3f3f3;
}

.page-card-grid {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1100px) {
    .page-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 700px) {
    .page-card-grid {
        grid-template-columns: 1fr;
    }

    .brand__symbol {
        width: 48px;
        height: 48px;
    }
}


/* =========================================================
   ATHENACLASS V4 — AJUSTES DO LOGO E CABEÇALHO
   ========================================================= */

.header__content {
    min-height: 96px;
}

.brand {
    gap: 15px;
}

.brand__symbol {
    width: 76px;
    height: 76px;
    padding: 0;
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 50%;
    box-shadow: none;
}

.brand__symbol img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background: transparent;
    border: 0;
    border-radius: 50%;
    box-shadow: none;
}

.brand__text strong,
.brand__text > span {
    color: #111111;
    font-size: 1.38rem;
    letter-spacing: 0.015em;
}

.brand__text small {
    margin-top: 6px;
    color: #555555;
    font-size: 0.61rem;
    letter-spacing: 0.095em;
}

.brand--footer .brand__symbol {
    width: 70px;
    height: 70px;
}

.nav {
    gap: 11px;
}

@media (max-width: 1100px) {
    :root {
        --header-height: 88px;
    }

    .nav {
        top: calc(var(--header-height) + 38px);
    }
}

@media (max-width: 700px) {
    :root {
        --header-height: 78px;
    }

    .header__content {
        min-height: 78px;
    }

    .brand__symbol {
        width: 58px;
        height: 58px;
    }

    .brand__text strong,
    .brand__text > span {
        font-size: 1.03rem;
    }

    .brand__text small {
        font-size: 0.48rem;
    }
}


/* =========================================================
   ATHENACLASS V5 — DISCIPLINAS COM ÍCONES
   ========================================================= */

.discipline-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 26px 18px;
    align-items: stretch;
}

.discipline-card {
    display: flex;
    min-height: 210px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px 18px;
    text-align: center;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}

.discipline-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 0, 0, 0.12);
}

.discipline-card img {
    width: 88px;
    height: 88px;
    object-fit: contain;
    margin-bottom: 18px;
}

.discipline-card h3 {
    margin: 0;
    color: #4a4f5d;
    font-size: 1.02rem;
    font-weight: 800;
    line-height: 1.25;
}

@media (max-width: 1100px) {
    .discipline-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 800px) {
    .discipline-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .discipline-card {
        min-height: 180px;
    }

    .discipline-card img {
        width: 78px;
        height: 78px;
    }
}

@media (max-width: 560px) {
    .discipline-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .discipline-card {
        min-height: 160px;
        padding: 20px 12px;
        border-radius: 18px;
    }

    .discipline-card img {
        width: 66px;
        height: 66px;
        margin-bottom: 12px;
    }

    .discipline-card h3 {
        font-size: 0.95rem;
    }
}