/* css/style.css - tema escuro moderno, layout full-viewport e conteúdo centralizado */
:root {
    --bg: #0f1720;
    --card: #0b1220;
    --muted: #9aa4b2;
    --text: #e6eef6;
    --primary: #06b6d4;
    --accent: #ffb020;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-2: rgba(255, 255, 255, 0.02);
    --radius: 12px;
    --max-width: 1000px;
    /* largura máxima do conteúdo (ajuste entre 900-1200px) */
    --shadow: 0 8px 30px rgba(2, 6, 23, 0.6);
    --glass-border: rgba(255, 255, 255, 0.04);
    --header-height: 76px;
    --footer-height: 72px;
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Reset / base */
* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--bg) 0%, #071021 100%);
    color: var(--text);
    line-height: 1.5;
    font-size: 16px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem;
    width: calc(100% - 2rem);
}

/* Layout regions: header / main / footer */
.site-header {
    flex: 0 0 auto;
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 60;
    backdrop-filter: blur(6px);
    background: linear-gradient(180deg, rgba(11, 18, 32, 0.6), rgba(11, 18, 32, 0.45));
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
    gap: 1rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.logo {
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.6rem
}

.logo::before {
    content: '';
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: inline-block;
    box-shadow: 0 6px 18px rgba(6, 182, 212, 0.12), inset 0 -3px 8px rgba(0, 0, 0, 0.15);
}

.main-nav {
    display: flex;
    gap: 0.6rem;
    align-items: center
}

.main-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 0.5rem 0.6rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.main-nav a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.02)
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.25rem;
    padding: 0.45rem;
    border-radius: 8px
}

/* Main ocupa todo o espaço restante */
main {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    padding: 1.2rem 0;
}

/* Hero - conteúdo centralizado e coluna direita flexível */
.hero {
    padding: 2rem 0 1rem;
    background-image: radial-gradient(600px 300px at 10% 10%, rgba(6, 182, 212, 0.06), transparent),
        radial-gradient(500px 250px at 90% 90%, rgba(255, 176, 32, 0.04), transparent);
    border-radius: 14px;
    margin: 0 1rem 1rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr minmax(260px, 380px);
    /* coluna direita flexível para não esticar demais */
    gap: 1.2rem;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.hero h1 {
    margin: 0 0 0.6rem;
    font-size: clamp(1.6rem, 3.6vw, 2.6rem);
    line-height: 1.05;
    color: var(--text)
}

.hero p {
    margin: 0 0 1rem;
    color: var(--muted);
    max-width: 60ch
}

.hero .btns {
    display: flex;
    gap: 0.75rem;
    align-items: center
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.95rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .14s ease, box-shadow .14s ease, opacity .12s;
}

.btn:active {
    transform: translateY(1px)
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), #00e0b5);
    color: #042028;
    box-shadow: 0 8px 26px rgba(6, 182, 212, 0.12)
}

.btn-ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text)
}

/* Features grid / cards */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1rem;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.card {
    background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, 0.01));
    border-radius: var(--radius);
    padding: 1rem;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 48px rgba(2, 6, 23, 0.7)
}

.card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 0.8rem
}

.card h3 {
    margin: 0 0 0.35rem
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem
}

/* CTA strip */
.cta {
    margin: 1rem;
    padding: 1.2rem;
    border-radius: 14px;
    background: linear-gradient(90deg, rgba(6, 182, 212, 0.05), rgba(255, 176, 32, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 1.2rem;
}

.cta h2 {
    margin: 0;
    font-size: 1.05rem
}

.cta p {
    margin: 0;
    color: var(--muted)
}

/* Courses / content blocks */
.course {
    background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, 0.01));
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 6px 20px rgba(2, 6, 23, 0.45);
    margin-bottom: 1rem;
}

.course h2 {
    margin: 0 0 0.5rem
}

/* Contact layout */
.contact-page {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 1rem;
    margin: 0 1rem 1rem;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

form label {
    display: block;
    margin: 0.6rem 0;
    color: var(--muted);
    font-size: 0.95rem
}

input,
textarea,
select {
    width: 100%;
    padding: 0.7rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text);
    outline: none;
}

input:focus,
textarea:focus {
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.06);
    border-color: rgba(6, 182, 212, 0.45)
}

.btn-primary {
    padding: 0.7rem 1rem;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--primary), #00e0b5);
    color: #042028;
    border: none
}

.contact-info {
    background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, 0.01));
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border)
}

/* Footer */
.site-footer {
    flex: 0 0 auto;
    height: var(--footer-height);
    margin-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0.7), rgba(11, 18, 32, 0.6));
}

.site-footer .footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 0.6rem
}

/* Utilities to avoid overflow */
img,
.card,
.course,
.contact-info {
    max-width: 100%;
    box-sizing: border-box;
}

/* Small utilities */
.kicker {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
    font-weight: 600;
    font-size: 0.8rem
}

.badge {
    background: linear-gradient(90deg, var(--accent), #ffda8a);
    color: #3a2300;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.8rem
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 18px;
    z-index: 80;
    padding: 0.9rem;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0.9), rgba(11, 18, 32, 0.95));
    border: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: 0 12px 42px rgba(2, 6, 23, 0.6);
}

.cookie-banner p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 66%
}

.cookie-banner a {
    color: var(--primary);
    text-decoration: underline
}

/* Responsive */
@media(max-width:1050px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center
    }

    .hero .btns {
        justify-content: center
    }

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

    .contact-page {
        grid-template-columns: 1fr 320px
    }

    .header-inner {
        padding-left: 0.8rem;
        padding-right: 0.8rem
    }

    .cta {
        padding-left: 0.8rem;
        padding-right: 0.8rem
    }
}

@media(max-width:760px) {
    .main-nav {
        display: none
    }

    .menu-toggle {
        display: inline-block
    }

    .features {
        grid-template-columns: 1fr
    }

    .contact-page {
        grid-template-columns: 1fr
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start
    }

    .cookie-banner {
        left: 12px;
        right: 12px;
        bottom: 12px;
        flex-direction: column;
        align-items: flex-start
    }

    .hero {
        margin: 0.6rem
    }

    .features {
        margin: 0.6rem
    }
}

/* Scrollbar hint for main */
main:focus {
    outline: none
}

main::-webkit-scrollbar {
    width: 10px;
    height: 10px
}

main::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px
}

/* Optional: for very large screens, mantenha centralização */
@media(min-width:1400px) {
    :root {
        --max-width: 1100px;
    }
}

/* Nota:
 - Ajuste --max-width para controlar a "largura da página" no monitor do usuário.
 - A coluna direita do hero usa minmax(260px,380px): altera os limites para ajustar ainda mais.
 - Se quiser hero ocupando exatamente o espaço entre header/footer sem scroll no main:
     .hero { min-height: calc(100vh - var(--header-height) - var(--footer-height)); display:flex; align-items:center; }
   (aplique apenas se o conteúdo couber nesse espaço)
*/