/* =============================================================================
   ALCORA — Componentes (BEM) + animações
   ============================================================================= */

/* ----------------------------------------------------------------------------
   Navbar
   ---------------------------------------------------------------------------- */
.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    padding-block: 1.35rem;
    transition: padding var(--dur-fast) var(--ease),
                background var(--dur-fast) var(--ease),
                border-color var(--dur-fast) var(--ease);
    border-bottom: 1px solid transparent;
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
}
.nav.is-scrolled {
    padding-block: 0.85rem;
    background: rgba(20, 28, 40, 0.72);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-bottom-color: var(--line-dark);
}
/* Nav começa transparente sobre o hero navy — texto claro */
.nav__link, .nav__brand { color: var(--on-navy); }

.nav__brand {
    font-family: var(--font-display);
    font-size: 1.7rem;
    letter-spacing: 0.14em;
    text-transform: lowercase;
    font-weight: 500;
}
.nav__menu {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 2.5vw, 2.75rem);
    list-style: none;
    padding: 0;
}
.nav__link {
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    font-weight: 500;
    position: relative;
    opacity: 0.85;
    transition: opacity var(--dur-fast) var(--ease);
}
.nav__link::after {
    content: "";
    position: absolute;
    left: 0; bottom: -6px;
    width: 100%; height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--dur-fast) var(--ease);
}
.nav__link:hover { opacity: 1; }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__toggle { display: none; }

@media (max-width: 820px) {
    .nav__menu { display: none; }
    .nav__toggle {
        display: inline-flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: 0;
        cursor: pointer;
        padding: 8px;
    }
    .nav__toggle span {
        width: 26px; height: 1.5px;
        background: var(--on-navy);
        transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast);
    }
    .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
    .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

    .nav__drawer {
        position: fixed;
        inset: 0;
        background: var(--navy-900);
        display: grid;
        place-content: center;
        gap: var(--sp-4);
        text-align: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--dur) var(--ease), visibility var(--dur);
    }
    .nav.is-open .nav__drawer { opacity: 1; visibility: visible; }
    .nav__drawer a {
        font-family: var(--font-display);
        font-size: 2rem;
        color: var(--on-navy);
    }
}
@media (min-width: 821px) { .nav__drawer { display: none; } }

/* ----------------------------------------------------------------------------
   Botões
   ---------------------------------------------------------------------------- */
.btn {
    --btn-bg: var(--navy-800);
    --btn-fg: var(--paper);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.7rem;
    font-family: var(--font-body);
    font-size: 0.86rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1;
    color: var(--btn-fg);
    background: var(--btn-bg);
    border: 1px solid var(--btn-bg);
    border-radius: var(--radius-pill);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--dur-fast) var(--ease),
                box-shadow var(--dur-fast) var(--ease),
                color var(--dur-fast) var(--ease);
}
.btn::before {
    content: "";
    position: absolute; inset: 0;
    background: var(--accent);
    transform: translateY(101%);
    transition: transform var(--dur) var(--ease);
    z-index: -1;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:hover::before { transform: translateY(0); }
.btn:active { transform: translateY(0); }

.btn .btn__arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* Variante secundária (contorno) */
.btn--ghost {
    --btn-bg: transparent;
    --btn-fg: var(--ink);
    border-color: var(--line);
}
.btn--ghost::before { background: var(--navy-800); }
.btn--ghost:hover { color: var(--paper); border-color: var(--navy-800); }

/* Sobre navy */
.on-dark .btn--ghost, .section--navy .btn--ghost, .section--deep .btn--ghost {
    --btn-fg: var(--on-navy);
    border-color: var(--line-dark);
}
.on-dark .btn { --btn-bg: var(--paper); --btn-fg: var(--navy-800); }
.on-dark .btn::before { background: var(--accent); }

.btn--lg { padding: 1.15rem 2.2rem; font-size: 0.92rem; }

/* Link com seta (texto) */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    border-bottom: 1px solid var(--line);
    padding-bottom: 3px;
    transition: gap var(--dur-fast) var(--ease), border-color var(--dur-fast);
}
.link-arrow:hover { gap: 0.85rem; border-color: var(--accent); }

/* ----------------------------------------------------------------------------
   Hero
   ---------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    background: var(--navy-800);
    color: var(--on-navy);
    padding-bottom: clamp(3rem, 6vw, 6rem);
    padding-top: 8rem;
    overflow: hidden;
}
/* Halo de luz muito discreto no canto */
.hero::before {
    content: "";
    position: absolute;
    width: 60vw; height: 60vw;
    top: -20vw; right: -12vw;
    background: radial-gradient(circle, rgba(168,151,124,0.14), transparent 62%);
    pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; width: 100%; }

.hero__eyebrow { color: var(--accent-soft); margin-bottom: var(--sp-4); }
.hero__eyebrow::before { background: var(--accent-soft); }

.hero__title {
    font-size: var(--step-5);
    line-height: 0.98;
    letter-spacing: -0.02em;
    font-weight: 300;
    max-width: 15ch;
    color: var(--on-navy);
}
.hero__title .italic { color: var(--accent-soft); font-weight: 400; }

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sp-4);
    margin-top: clamp(2.5rem, 5vw, 4.5rem);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--line-dark);
}
.hero__desc {
    max-width: 42ch;
    color: var(--on-navy-muted);
    font-size: var(--step-0);
    line-height: 1.6;
}
.hero__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* Indicador de scroll */
.hero__scroll {
    position: absolute;
    left: var(--gutter); bottom: 1.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--on-navy-muted);
    display: flex; align-items: center; gap: 0.6rem;
    z-index: 2;
}
.hero__scroll span { width: 1px; height: 2.4rem; background: var(--accent-soft); display: block; transform-origin: top;
    animation: scrollpulse 2.4s var(--ease-in-out) infinite; }
@keyframes scrollpulse { 0%,100%{ transform: scaleY(0.35); opacity:.4 } 50%{ transform: scaleY(1); opacity:1 } }

/* ----------------------------------------------------------------------------
   Marquee / faixa de credibilidade
   ---------------------------------------------------------------------------- */
.trust {
    border-top: 1px solid var(--line-dark);
    padding-block: 1.6rem;
    background: var(--navy-900);
    color: var(--on-navy-muted);
}
.trust__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-3) var(--sp-5);
}
.trust__label { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; }
.trust__items { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem); }
.trust__item { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: 0.04em; color: var(--on-navy); opacity: 0.85; }

/* ----------------------------------------------------------------------------
   Manifesto (statement grande)
   ---------------------------------------------------------------------------- */
.manifesto__text {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: var(--step-3);
    line-height: 1.28;
    letter-spacing: -0.01em;
    max-width: 22ch;
}
.manifesto__text em { font-style: italic; color: var(--accent-ink); }
.manifesto__aside {
    color: var(--muted);
    font-size: var(--step-0);
    line-height: 1.7;
    max-width: 38ch;
}
.manifesto__aside p + p { margin-top: 1.1rem; }

/* ----------------------------------------------------------------------------
   Pilares / diferenciais (grid editorial numerado)
   ---------------------------------------------------------------------------- */
.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pillar {
    background: var(--paper);
    padding: clamp(2rem, 3vw, 3rem) clamp(1.5rem, 2.5vw, 2.5rem);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    min-height: 340px;
    transition: background var(--dur) var(--ease);
}
.pillar:hover { background: var(--paper-2); }
.pillar__index {
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    color: var(--accent-ink);
}
.pillar__title { font-size: var(--step-1); line-height: 1.15; margin-top: auto; }
.pillar__desc { color: var(--muted); font-size: 0.95rem; line-height: 1.6; }

@media (max-width: 820px) {
    .pillars { grid-template-columns: 1fr; }
    .pillar { min-height: 0; }
}

/* ----------------------------------------------------------------------------
   Processo (passos verticais)
   ---------------------------------------------------------------------------- */
.steps { display: flex; flex-direction: column; }
.step {
    display: grid;
    grid-template-columns: 7rem 1fr auto;
    gap: var(--sp-4);
    align-items: baseline;
    padding-block: clamp(1.8rem, 3vw, 2.8rem);
    border-top: 1px solid var(--line);
    transition: padding-left var(--dur) var(--ease);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step:hover { padding-left: 0.75rem; }
.step__num {
    font-family: var(--font-display);
    font-size: var(--step-2);
    color: var(--accent-ink);
    font-weight: 400;
}
.step__title { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.1; }
.step__desc { color: var(--muted); font-size: 0.98rem; line-height: 1.6; max-width: 46ch; margin-top: 0.6rem; }
.step__tag {
    font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--muted-soft); white-space: nowrap;
}
@media (max-width: 720px) {
    .step { grid-template-columns: 3.5rem 1fr; }
    .step__num { font-size: var(--step-1); }
    .step__title { font-size: var(--step-1); }
    .step__tag { display: none; }
}

/* ----------------------------------------------------------------------------
   Métricas (faixa navy)
   ---------------------------------------------------------------------------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); }
.metric { background: var(--navy-800); padding: clamp(2rem,3vw,3rem) clamp(1.25rem,2vw,2rem); }
.metric__value {
    font-family: var(--font-display);
    font-size: var(--step-3);
    font-weight: 300;
    line-height: 1;
    color: var(--on-navy);
}
.metric__value .u { color: var(--accent-soft); }
.metric__label { color: var(--on-navy-muted); font-size: 0.85rem; margin-top: 0.9rem; line-height: 1.5; }
@media (max-width: 820px) { .metrics { grid-template-columns: repeat(2, 1fr); } }

/* ----------------------------------------------------------------------------
   Depoimentos (WhatsApp screenshots reais + citação editorial)
   ---------------------------------------------------------------------------- */
.quote {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: var(--step-2);
    line-height: 1.34;
    letter-spacing: -0.005em;
}
.quote em { font-style: italic; color: var(--accent-ink); }
.quote__by { display: block; margin-top: var(--sp-3); font-family: var(--font-body);
    font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-2);
}
.gallery__item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--paper-2);
    aspect-ratio: 4 / 5;
    position: relative;
}
.gallery__item img {
    width: 100%; height: 100%; object-fit: cover; object-position: top center;
    transition: transform 1s var(--ease), filter var(--dur) var(--ease);
    filter: saturate(0.96);
}
.gallery__item:hover img { transform: scale(1.04); }
@media (max-width: 640px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

/* ----------------------------------------------------------------------------
   FAQ (accordion)
   ---------------------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    padding: clamp(1.4rem, 2.4vw, 2rem) 0;
    background: none;
    border: 0;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-display);
    font-size: var(--step-1);
    color: var(--ink);
    transition: color var(--dur-fast) var(--ease);
}
.faq__q:hover { color: var(--accent-ink); }
.faq__icon { position: relative; width: 18px; height: 18px; flex: none; }
.faq__icon::before, .faq__icon::after {
    content: ""; position: absolute; top: 50%; left: 50%;
    width: 14px; height: 1.5px; background: currentColor;
    transform: translate(-50%,-50%);
    transition: transform var(--dur) var(--ease);
}
.faq__icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.faq__item.is-open .faq__icon::after { transform: translate(-50%,-50%) rotate(0); }

.faq__a { overflow: hidden; height: 0; transition: height var(--dur) var(--ease); }
.faq__a-inner { padding-bottom: clamp(1.4rem, 2.4vw, 2rem); color: var(--muted); max-width: 62ch; line-height: 1.7; }

/* ----------------------------------------------------------------------------
   Formulário de contato
   ---------------------------------------------------------------------------- */
.form { display: grid; gap: var(--sp-3); }
.field { display: flex; flex-direction: column; gap: 0.55rem; }
.field__label {
    font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--on-navy-muted); font-weight: 600;
}
.field__input, .field__select, .field__textarea {
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line-dark);
    padding: 0.75rem 0;
    color: var(--on-navy);
    font-size: 1rem;
    transition: border-color var(--dur-fast) var(--ease);
}
.field__input::placeholder, .field__textarea::placeholder { color: rgba(237,233,225,0.35); }
.field__input:focus, .field__select:focus, .field__textarea:focus {
    outline: none;
    border-bottom-color: var(--accent-soft);
}
.field__select { appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23C4B69C' stroke-width='1.4'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0 center; }
.field__select option { color: #111; }
.field__textarea { resize: vertical; min-height: 90px; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
@media (max-width: 560px) { .field--row { grid-template-columns: 1fr; } }

.form__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; margin-top: var(--sp-2); }
.form__note { font-size: 0.8rem; color: var(--on-navy-muted); max-width: 32ch; }

/* Honeypot invisível anti-spam */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__alert {
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    border: 1px solid var(--line-dark);
}
.form__alert--ok { background: rgba(79,125,94,0.18); border-color: rgba(120,180,140,0.4); color: #cfe9d6; }
.form__alert--err { background: rgba(168,82,75,0.18); border-color: rgba(200,120,110,0.4); color: #f0cbc7; }

/* ----------------------------------------------------------------------------
   CTA final
   ---------------------------------------------------------------------------- */
.cta-final { text-align: center; }
.cta-final__title {
    font-size: var(--step-4);
    font-weight: 300;
    line-height: 1.02;
    max-width: 16ch;
    margin-inline: auto;
}
.cta-final__title em { font-style: italic; color: var(--accent-soft); }

/* ----------------------------------------------------------------------------
   Footer
   ---------------------------------------------------------------------------- */
.footer { background: var(--navy-900); color: var(--on-navy-muted); padding-block: var(--sp-6) var(--sp-4); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--sp-4); align-items: start; }
.footer__brand { font-family: var(--font-display); font-size: 2.4rem; letter-spacing: 0.12em; text-transform: lowercase; color: var(--on-navy); }
.footer__tag { margin-top: var(--sp-2); max-width: 34ch; line-height: 1.6; font-size: 0.92rem; }
.footer__col h4 { font-family: var(--font-body); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-navy-muted); font-weight: 600; margin-bottom: var(--sp-2); }
.footer__col a { display: block; padding: 0.35rem 0; color: var(--on-navy); opacity: 0.8; transition: opacity var(--dur-fast), padding-left var(--dur-fast) var(--ease); font-size: 0.95rem; }
.footer__col a:hover { opacity: 1; padding-left: 6px; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-6); padding-top: var(--sp-3); border-top: 1px solid var(--line-dark); font-size: 0.8rem; }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr; gap: var(--sp-5); } }

/* WhatsApp flutuante */
.wa {
    position: fixed;
    right: clamp(1rem, 3vw, 2rem);
    bottom: clamp(1rem, 3vw, 2rem);
    z-index: 90;
    width: 54px; height: 54px;
    display: grid; place-items: center;
    background: var(--navy-800);
    color: var(--paper);
    border-radius: 50%;
    border: 1px solid var(--line-dark);
    box-shadow: var(--shadow);
    transition: transform var(--dur-fast) var(--ease), background var(--dur-fast);
}
.wa:hover { transform: translateY(-3px) scale(1.05); background: var(--accent); }

/* ----------------------------------------------------------------------------
   Scroll reveal (animações discretas de entrada)
   ---------------------------------------------------------------------------- */
/* Sem JS os blocos aparecem normalmente. Só escondemos quando .js está presente. */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
    will-change: opacity, transform;
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* Reveal por linha no hero — animação CSS pura (independe de JS) */
.reveal-line { display: block; overflow: hidden; }
.reveal-line > span {
    display: block;
    transform: translateY(110%);
    animation: lineUp 1.1s var(--ease) forwards;
}
.reveal-line:nth-child(1) > span { animation-delay: 0.15s; }
.reveal-line:nth-child(2) > span { animation-delay: 0.27s; }
.reveal-line:nth-child(3) > span { animation-delay: 0.39s; }
@keyframes lineUp { to { transform: none; } }

@media (prefers-reduced-motion: reduce) {
    .js [data-reveal] { opacity: 1; transform: none; }
    .reveal-line > span { transform: none; animation: none; }
}