/* ============================================
   FAJ LEVEL — Site institucional
   Identidade: Neue Haas Grotesk + Sastra Kinanthi
   Paleta: Soft Black Green base
============================================ */

/* -------- FONTES --------
   Neue Haas Grotesk Display: carregada via Adobe Fonts (Typekit)
   no <head> do index.html. */
@font-face {
    font-family: "Sastra Kinanthi";
    src: url("../fonts/sastra-kinanthi.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* -------- VARIÁVEIS -------- */
:root {
    --c-black: #090a0a;
    --c-soft: #171e19;          /* Soft Black Green */
    --c-xanadu: #6e8374;
    --c-oliva: #738076;
    --c-beige: #e4e3d9;         /* Liliana Beige */
    --c-off: #fffef5;           /* Off White */

    --c-text: #1a201c;
    --c-text-muted: #5a655e;
    --c-line: rgba(23, 30, 25, 0.12);
    --c-line-light: rgba(255, 254, 245, 0.14);

    --ff-sans: "neue-haas-grotesk-display", "Helvetica Neue", Arial, sans-serif;
    --ff-script: "Sastra Kinanthi", "neue-haas-grotesk-display", cursive;

    --wrap-max: 1360px;
    --wrap-pad: clamp(1.5rem, 5vw, 5rem);

    --ease: cubic-bezier(.2, .7, .2, 1);
}

/* -------- RESET -------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-off);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; cursor: default; }
button { font: inherit; border: 0; background: none; color: inherit; cursor: default; }
label, summary, [role="button"] { cursor: default; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; letter-spacing: 0; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.wrap {
    max-width: var(--wrap-max);
    padding-inline: var(--wrap-pad);
    margin-inline: auto;
    width: 100%;
}
.wrap--narrow { max-width: 900px; }

/* ============================================
   HEADER
============================================ */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 40;
    padding: clamp(0.9rem, 1.5vw, 1.4rem) 0;
    background: transparent;
    transition: background .4s var(--ease), padding .35s var(--ease), border-color .4s var(--ease);
    border-bottom: 1px solid transparent;
}
.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
    max-width: var(--wrap-max);
    padding-inline: var(--wrap-pad);
    margin-inline: auto;
}
.brand {
    display: inline-flex;
    align-items: center;
    height: 22px;
}
.brand-logo {
    height: 100%;
    width: auto;
    max-height: 22px;
    transition: opacity .3s var(--ease);
}
.brand-logo--dark { display: none; }

.nav ul {
    display: flex;
    justify-content: center;
    gap: clamp(1.2rem, 2.4vw, 2.6rem);
}
.nav a {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-off);
    position: relative;
    padding: 0.4rem 0;
    transition: color .25s var(--ease);
}
.nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .35s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* CTA no header */
.header-inner > .cta--sm { justify-self: end; }

/* Header CTA: mobile-first — escondido por padrão, aparece só no desktop */
.cta--header { display: none; }
@media (min-width: 961px) {
    .cta--header { display: inline-flex; }
}

/* Link "Cadastre-se" na nav: só aparece no menu burger (mobile) */
@media (min-width: 961px) {
    .nav-item--cadastro { display: none; }
}

/* Estado scrolled: fundo verde translúcido + leve encolhimento */
.site-header.is-scrolled {
    background: rgba(23, 30, 25, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--c-line-light);
    padding: 0.85rem 0;
}
/* Quando o menu mobile está aberto: remove o backdrop-filter para que
   o .nav (position: fixed) não fique contido dentro do header — assim
   o fundo verde cobre a viewport toda */
.site-header.menu-open {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: transparent;
}

/* Toggle mobile */
.nav-toggle {
    display: none;
    width: 42px; height: 42px;
    position: relative;
    justify-self: end;
    z-index: 60;
}
.nav-toggle span {
    position: absolute;
    left: 9px; right: 9px;
    height: 1.5px;
    background: var(--c-off);
    border-radius: 2px;
    transition: transform .35s var(--ease), opacity .2s var(--ease), background .3s var(--ease), top .35s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20.25px; }
.nav-toggle span:nth-child(3) { top: 26.5px; }
.site-header.is-scrolled .nav-toggle span { background: var(--c-off); }

/* ============================================
   CTA — Botões
============================================ */
.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.95rem 1.75rem;
    font-family: var(--ff-sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-off);
    background: var(--c-soft);
    border: 1px solid var(--c-soft);
    border-radius: 14px;
    transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
    white-space: nowrap;
}
.cta:hover {
    background: transparent;
    color: var(--c-soft);
}
.cta--sm {
    padding: 0.7rem 1.25rem;
    font-size: 11px;
}
.cta--lg {
    padding: 1.1rem 2.5rem;
    font-size: 13px;
}
.cta--ghost {
    background: transparent;
    color: var(--c-off);
    border-color: rgba(255, 254, 245, 0.6);
}
.cta--ghost:hover {
    background: var(--c-off);
    color: var(--c-soft);
    border-color: var(--c-off);
}
.cta--light {
    background: var(--c-off);
    color: var(--c-soft);
    border-color: var(--c-off);
}
.cta--light:hover {
    background: transparent;
    color: var(--c-off);
    border-color: var(--c-off);
}

/* CTA do header: apenas contorno, fundo transparente */
.site-header .cta--sm {
    background: transparent;
    color: var(--c-off);
    border-color: rgba(255, 254, 245, 0.7);
    font-size: 10px;
    padding: 0.6rem 1.1rem;
}
.site-header .cta--sm:hover {
    background: var(--c-off);
    color: var(--c-soft);
    border-color: var(--c-off);
}

/* ============================================
   HERO — Minimalista (estilo SoHo Business)
============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    overflow: hidden;
    color: var(--c-off);
    isolation: isolate;
    background: var(--c-black);
}
.hero-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 45%;
    transform: scale(1.03);
    z-index: -2;
    pointer-events: none;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(9, 10, 10, 0.65) 0%, rgba(9, 10, 10, 0.15) 45%, rgba(9, 10, 10, 0) 75%),
        linear-gradient(180deg, rgba(9, 10, 10, 0.35) 0%, rgba(9, 10, 10, 0) 30%, rgba(23, 30, 25, 0.75) 100%);
    z-index: -1;
}

.hero-frame {
    position: relative;
    max-width: var(--wrap-max);
    margin-inline: auto;
    padding: clamp(6rem, 12vh, 8rem) var(--wrap-pad) clamp(2.2rem, 5vh, 3.5rem);
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* -------- LOGO CENTRAL -------- */
.hero-brand {
    margin: 0;
    max-width: 100%;
    text-align: center;
}
.hero-brand-logo {
    display: block;
    width: clamp(260px, 34vw, 520px);
    height: auto;
    margin-inline: auto;
    filter: drop-shadow(0 2px 30px rgba(0, 0, 0, 0.35));
}

/* -------- CTA no canto inferior direito -------- */
.hero-cta {
    position: absolute;
    right: var(--wrap-pad);
    bottom: clamp(1.8rem, 4vh, 2.8rem);
}

/* -------- CTA COM SETA (compartilhado) -------- */
.cta--arrow {
    gap: 0.9rem;
}
.cta-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .35s var(--ease);
}
.cta--arrow:hover .cta-arrow {
    transform: translateX(4px);
}

/* ============================================
   SEÇÕES GERAIS
============================================ */
.section {
    padding: clamp(4.5rem, 10vw, 9rem) 0;
    position: relative;
}
.section-head {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: clamp(2.5rem, 6vw, 5rem);
    max-width: 900px;
}
.section-index {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--c-xanadu);
}
.section-index::before {
    content: "";
    width: 32px;
    height: 1px;
    background: currentColor;
}
.section-index--light { color: var(--c-beige); opacity: 0.75; }

.section-title {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: 0;
    color: var(--c-soft);
}
.section-title em {
    font-family: var(--ff-script);
    font-style: normal;
    font-weight: 400;
    font-size: 1.3em;
    line-height: 0.9;
    color: var(--c-beige);
    padding: 0 0.05em;
    white-space: nowrap;
}
.section-title--light { color: var(--c-off); }
.section-title--light em { color: var(--c-beige); }

/* ------- SEÇÃO 01 — MARCA ------- */
.section--marca {
    background: var(--c-off);
    color: var(--c-text);
    border-top: 1px solid var(--c-line);
    overflow: hidden;
    padding: 0;
}
.marca-copy {
    text-align: center;
    max-width: 78ch;
    margin-inline: auto;
    padding: clamp(4rem, 8vw, 6rem) 0;
}
.marca-title {
    margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}
.marca-copy .lead {
    font-size: clamp(1.15rem, 1.6vw, 1.35rem);
    font-weight: 400;
    color: var(--c-soft);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}
.marca-copy p {
    color: var(--c-text-muted);
    font-size: clamp(1.15rem, 1.6vw, 1.35rem);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}
.marca-copy strong {
    font-weight: 500;
    color: var(--c-soft);
}

/* ------- SEÇÃO 02 — EXPERIÊNCIA ------- */
.section--experiencia {
    background:
        linear-gradient(180deg, rgba(23, 30, 25, 0.72) 0%, rgba(23, 30, 25, 0.68) 50%, rgba(23, 30, 25, 0.82) 100%),
        url("../img/fern-leaf-macro-shot-nature-background.jpg") center center / cover no-repeat fixed;
    color: var(--c-off);
    position: relative;
    overflow: hidden;
}
.section--experiencia::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(1200px 600px at 85% 20%, rgba(110, 131, 116, 0.22), transparent 60%);
    pointer-events: none;
}
.exp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: end;
    position: relative;
}
.exp-copy p {
    color: var(--c-beige);
    font-size: clamp(1.15rem, 1.6vw, 1.4rem);
    line-height: 1.6;
    max-width: 48ch;
}
.exp-copy strong {
    font-weight: 400;
    color: var(--c-off);
}

/* ------- SEÇÃO 03 — CADASTRO ------- */
.section--cadastro {
    color: var(--c-off);
    padding: clamp(5rem, 11vw, 10rem) 0;
    position: relative;
    isolation: isolate;
    overflow: hidden;
}
.cadastro-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 55%;
    z-index: -2;
    pointer-events: none;
}
.section--cadastro::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9, 10, 10, 0.9) 0%, rgba(9, 10, 10, 0.82) 50%, rgba(9, 10, 10, 0.92) 100%);
    z-index: -1;
}
.cadastro-box {
    max-width: 1100px;
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    padding: clamp(2.5rem, 5vw, 4rem) clamp(2rem, 5vw, 3.5rem);
    background: rgba(23, 30, 25, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 0;
    border-radius: 26px;
    position: relative;
    isolation: isolate;
}
.cadastro-box::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 1.5px;
    border-radius: inherit;
    background: linear-gradient(
        120deg,
        rgba(115, 128, 118, 0.35) 0%,
        rgba(228, 227, 217, 0.35) 12%,
        rgba(255, 254, 245, 0.98) 22%,
        rgba(228, 227, 217, 0.75) 32%,
        rgba(115, 128, 118, 0.4) 45%,
        rgba(228, 227, 217, 0.55) 58%,
        rgba(255, 254, 245, 0.92) 70%,
        rgba(228, 227, 217, 0.4) 80%,
        rgba(115, 128, 118, 0.35) 100%
    );
    background-size: 250% 100%;
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask-composite: exclude;
    pointer-events: none;
    animation: chromeShimmer 12s linear infinite;
    z-index: 1;
}
@keyframes chromeShimmer {
    0%   { background-position: 0% 0; }
    100% { background-position: 250% 0; }
}
.cadastro-content .section-title {
    margin: 0 0 1.25rem;
    text-align: left;
}
.cadastro-copy {
    max-width: 58ch;
    margin: 0 0 1.5rem;
    color: var(--c-beige);
    font-size: clamp(1.15rem, 1.6vw, 1.4rem);
    line-height: 1.6;
    text-align: left;
}
.cadastro-copy:last-child { margin-bottom: 0; }
.cadastro-action {
    white-space: nowrap;
    justify-self: end;
}

/* ------- FECHAMENTO ------- */
.section--fecho {
    background: var(--c-beige);
    color: var(--c-soft);
    padding: clamp(3.5rem, 7vw, 6rem) 0;
    border-top: 1px solid rgba(23, 30, 25, 0.08);
}
.fecho-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: clamp(1.75rem, 3vw, 2.5rem);
}
.fecho-text {
    font-size: 1.05rem;
    line-height: 1.55;
    color: var(--c-soft);
    margin: 0;
    white-space: nowrap;
}
.fecho-parent {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}
.fecho-tag {
    font-size: 1.05rem;
    letter-spacing: 0;
    text-transform: none;
    color: var(--c-soft);
    line-height: 1.55;
}
.fecho-parent-logo {
    height: 44px;
    width: auto;
}

/* ============================================
   FOOTER
============================================ */
.site-footer {
    background: var(--c-soft);
    color: var(--c-beige);
    padding: 0;
    border-top: 1px solid var(--c-line-light);
}
.footer-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    font-size: 12px;
    letter-spacing: 0.06em;
    padding-block: 1.8rem;
    text-align: center;
}

/* Faixa de marca fullbleed com o logo FAJ Level cortado */
.footer-band {
    width: 100%;
    line-height: 0;
    overflow: hidden;
    border-top: 1px solid var(--c-line-light);
    padding-top: clamp(2rem, 5vw, 4rem);
}
.footer-band-img {
    width: 100%;
    display: block;
    height: auto;
    user-select: none;
    pointer-events: none;
}

/* ============================================
   BOTÃO VOLTAR AO TOPO
============================================ */
.back-to-top {
    position: fixed;
    right: clamp(1rem, 3vw, 2rem);
    bottom: clamp(1rem, 3vw, 2rem);
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(23, 30, 25, 0.85);
    color: var(--c-off);
    border: 1px solid rgba(228, 227, 217, 0.28);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: default;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition:
        opacity .35s var(--ease),
        transform .35s var(--ease),
        background .3s var(--ease),
        color .3s var(--ease),
        border-color .3s var(--ease);
    z-index: 50;
}
.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--c-off);
    color: var(--c-soft);
    border-color: var(--c-off);
}
.back-to-top svg { display: block; }

/* ============================================
   RESPONSIVIDADE
============================================ */
@media (max-width: 960px) {
    .cta--header,
    .header-inner > .cta,
    .header-inner > a.cta { display: none !important; }
    .nav-toggle { display: block; }

    .nav {
        position: fixed !important;
        inset: 0 !important;
        background: var(--c-soft);
        display: none !important;
        align-items: center;
        justify-content: center;
        padding: 6rem 2rem 2rem;
        z-index: 30;
    }
    .nav.is-open {
        display: flex !important;
    }
    .nav ul {
        flex-direction: column;
        text-align: center;
        gap: 1.75rem;
    }
    .nav a { font-size: 15px; letter-spacing: 0.12em; }

    .nav-toggle.is-open span:nth-child(1) { top: 20.25px; transform: rotate(45deg); }
    .nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .nav-toggle.is-open span:nth-child(3) { top: 20.25px; transform: rotate(-45deg); }

    .exp-grid,
    .cadastro-box {
        grid-template-columns: 1fr;
    }
    .cadastro-action { justify-self: stretch; }
    .cadastro-action .cta { width: 100%; }
    .exp-grid { align-items: start; }

    .marca-copy {
        padding: clamp(3rem, 8vw, 4.5rem) 0;
    }

    /* Fallback: iOS Safari não lida bem com background-attachment: fixed */
    .section--experiencia {
        background-attachment: scroll;
    }

    .hero { min-height: 90vh; min-height: 90svh; }
    .hero-frame {
        padding-top: 6.5rem;
        padding-bottom: 6rem;
        justify-content: center;
    }
    .hero-brand {
        text-align: center;
    }
    .hero-brand-logo {
        margin-inline: auto;
    }
    .hero-cta {
        left: var(--wrap-pad);
        right: var(--wrap-pad);
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 600px) {
    :root { --wrap-pad: 1.25rem; }

    .hero-brand-logo {
        width: clamp(220px, 70vw, 320px);
    }
    .hero-cta {
        width: calc(100% - (var(--wrap-pad) * 2));
    }
    .hero-cta.cta { width: calc(100% - (var(--wrap-pad) * 2)); }

    .marca-list ul li { padding: 1.1rem 0; }
    .fecho-parent-logo { height: 36px; }
    .fecho-text { white-space: normal; font-size: 1rem; }
}

/* Reduz motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .hero-scroll-line::after,
    .cadastro-box::before { animation: none; }
    * { transition-duration: 0.001ms !important; }
}
