/* ==========================================================================
   UNI-RN — Landing page
   Estrutura: 1. Variáveis  2. Base  3. Topo/Rodapé  4. Tela do formulário
              5. Tela de sucesso  6. Utilitários
   ========================================================================== */

/* 1. Variáveis ------------------------------------------------------------ */
:root {
    --uni-bg: #1d1824;
    --uni-bg-dark: #15111b;
    --uni-white: #fff;
    --uni-line: rgba(255, 255, 255, .85);
    --uni-line-soft: rgba(255, 255, 255, .45);
    --uni-danger: #ff8b8b;
    --font-main: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* 2. Base ----------------------------------------------------------------- */
body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
    background-color: var(--uni-bg);
    color: var(--uni-white);
    font-family: var(--font-main);
    font-stretch: 112%;
}

/* Fundo com arcos concêntricos sutis */
.bg-arcs {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, .05), transparent 65%),
        repeating-radial-gradient(circle at 108% -8%,
            rgba(255, 255, 255, .035) 0 70px, transparent 70px 140px),
        repeating-radial-gradient(circle at -12% 108%,
            rgba(255, 255, 255, .03) 0 90px, transparent 90px 180px);
}

.view[hidden] { display: none !important; }

/* 3. Topo e rodapé -------------------------------------------------------- */
.site-header {
    padding-top: clamp(1.5rem, 4vw, 3rem);
}

.site-logo {
    width: 88px;
    height: auto;
    filter: drop-shadow(0 6px 18px rgba(0, 0, 0, .45));
}

@media (min-width: 768px) {
    .site-logo { width: clamp(100px, 9vw, 150px); }
}

.site-main {
    flex: 1 0 auto;
    display: flex;
    align-items: center;
    padding-top: clamp(1.5rem, 4vw, 3.5rem);
}

.site-main > .view { width: 100%; }

.site-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--uni-line);
    background: rgba(0, 0, 0, .14);
    padding: 1.25rem 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: .85rem;
}

.footer-logo { width: clamp(48px, 5vw, 68px); height: auto; }

.footer-name {
    display: block;
    font-size: clamp(1.1rem, 1.6vw, 1.5rem);
    font-weight: 800;
    font-stretch: 85%;
    line-height: 1.1;
}

.footer-tagline {
    display: block;
    font-size: clamp(.75rem, 1vw, .95rem);
    font-weight: 300;
    font-stretch: 90%;
    opacity: .85;
}

.footer-social { display: flex; gap: .75rem; }

.social-link {
    width: clamp(38px, 4vw, 52px);
    height: clamp(38px, 4vw, 52px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(145deg, #fdfcff, #b3afbb);
    color: #151118;
    font-size: clamp(1.1rem, 1.8vw, 1.5rem);
    text-decoration: none;
    transition: transform .2s, box-shadow .2s;
}

.social-link:hover,
.social-link:focus-visible {
    color: #151118;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, .4);
}

/* 4. Tela do formulário --------------------------------------------------- */
.view-form { padding-bottom: clamp(2rem, 5vw, 4.5rem); }

.headline {
    margin: 0 0 1.25rem;
    font-size: clamp(1.7rem, 7vw, 3rem);
    font-weight: 800;
    font-style: italic;
    font-stretch: 125%;
    line-height: 1.04;
    letter-spacing: -.01em;
}

.subheadline {
    margin-bottom: 1.5rem;
    font-size: clamp(1.25rem, 5vw, 2.4rem);
    font-weight: 300;
    font-style: italic;
    font-stretch: 112%;
    line-height: 1.15;
}

.lead-text {
    max-width: 38rem;
    margin: 0 auto;
    font-size: clamp(.95rem, 3.4vw, 1.2rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.22;
    opacity: .92;
}

@media (min-width: 992px) {
    .headline    { font-size: clamp(2.6rem, 3.7vw, 4.6rem); margin-bottom: 1.5rem; }
    .subheadline { font-size: clamp(1.8rem, 2.6vw, 3.2rem); margin-bottom: 2.5rem; }
    .lead-text   { margin: 0; font-size: clamp(1rem, 1.35vw, 1.4rem); }
}

/* Painel do formulário: caixa com borda no desktop, aberto no mobile */
.form-panel {
    max-width: 34rem;
    margin: 0 auto;
}

@media (min-width: 992px) {
    .form-panel {
        max-width: none;
        padding: clamp(1.5rem, 3vw, 3rem);
        border: 1px solid var(--uni-line);
    }
}

.field { margin-bottom: 1.1rem; }

.lead-form .form-label {
    margin-bottom: .45rem;
    font-size: clamp(1rem, 1.5vw, 1.5rem);
    font-weight: 300;
    font-style: italic;
    color: var(--uni-white);
}

/* No mobile o rótulo vira placeholder (rótulo continua acessível a leitores de tela) */
@media (max-width: 991.98px) {
    .lead-form .form-label {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }
}

.lead-form .form-control {
    height: clamp(3.1rem, 4.4vw, 4.1rem);
    padding: 0 1rem;
    background: rgba(255, 255, 255, .02);
    border: 2px solid var(--uni-white);
    border-radius: 0;
    color: var(--uni-white);
    font-family: var(--font-main);
    font-stretch: 112%;
    font-size: 1.35rem;
    font-weight: 300;
    font-style: italic;
    box-shadow: none;
}

.lead-form .form-control::placeholder {
    color: var(--uni-white);
    opacity: 1;
}

@media (min-width: 992px) {
    .lead-form .form-control {
        border: 1px solid var(--uni-line-soft);
        border-radius: 6px;
        font-size: 1.15rem;
    }
    .lead-form .form-control::placeholder { color: transparent; }
}

.lead-form .form-control:focus {
    border-color: var(--uni-white);
    background: rgba(255, 255, 255, .06);
    box-shadow: 0 0 0 .22rem rgba(255, 255, 255, .22);
}

.lead-form .form-control.is-invalid {
    border-color: var(--uni-danger);
    background-image: none;
    padding-right: 1rem;
}

.lead-form .invalid-feedback {
    margin-top: .35rem;
    color: var(--uni-danger);
    font-size: .9rem;
    font-style: italic;
    text-align: left;
}

/* Mantém o fundo escuro quando o navegador preenche automaticamente */
.lead-form .form-control:-webkit-autofill {
    -webkit-text-fill-color: var(--uni-white);
    -webkit-box-shadow: 0 0 0 100px #251f2d inset;
    caret-color: var(--uni-white);
}

.form-panel .alert {
    border-radius: 0;
    font-size: .95rem;
}

.btn-uni {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    height: clamp(3.4rem, 4.6vw, 4.2rem);
    margin-top: 1.4rem;
    border: 0;
    border-radius: 0;
    background: var(--uni-white);
    color: #0d0a10;
    font-size: clamp(1.4rem, 2vw, 1.9rem);
    font-weight: 900;
    font-style: italic;
    font-stretch: 125%;
    letter-spacing: .01em;
    text-transform: uppercase;
    transition: background-color .2s, transform .2s;
}

@media (min-width: 992px) {
    .btn-uni { border-radius: 4px; margin-top: 1.8rem; }
}

.btn-uni:hover,
.btn-uni:focus-visible {
    background: #e7e2ee;
    color: #0d0a10;
}

.btn-uni:active { transform: scale(.99); }
.btn-uni:disabled { opacity: .75; cursor: wait; }

/* 5. Tela de sucesso ------------------------------------------------------ */
.view-success { padding-top: .5rem; }

.success-title {
    margin: 0;
    font-size: clamp(2.6rem, 11.5vw, 4.5rem);
    font-weight: 800;
    font-style: italic;
    font-stretch: 125%;
    line-height: 1.1;
    outline: none;
}

.success-sub {
    margin: .35rem auto 2rem;
    max-width: 20rem;
    font-size: clamp(1.3rem, 5vw, 1.8rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.2;
}

.success-lead {
    margin: 0 auto 1.6rem;
    max-width: 21rem;
    font-size: clamp(1.25rem, 4.8vw, 1.75rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.2;
}

.benefit-box {
    max-width: 66rem;
    margin: 0 auto 2.2rem;
    padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1rem, 3vw, 2rem);
    border: 1px solid var(--uni-line);
}

.benefit-box p { margin: 0; }

.benefit-title {
    margin-bottom: 1rem !important;
    font-size: clamp(1.4rem, 5.2vw, 1.9rem);
    font-weight: 700;
    line-height: 1.2;
}

.benefit-text {
    margin-bottom: 1.4rem !important;
    font-size: clamp(1.35rem, 5.2vw, 1.9rem);
    font-weight: 700;
    line-height: 1.3;
}

.benefit-note {
    font-size: clamp(1rem, 3.8vw, 1.3rem);
    font-style: italic;
    font-weight: 300;
}

.btn-cta {
    display: inline-block;
    width: 100%;
    max-width: 34rem;
    margin-bottom: 2rem;
    padding: clamp(1rem, 2vw, 1.6rem) 1.5rem;
    border-radius: 14px;
    background: var(--uni-white);
    color: #0d0a10;
    font-size: clamp(1.4rem, 5vw, 2.7rem);
    font-weight: 800;
    font-style: italic;
    font-stretch: 125%;
    text-decoration: none;
    transition: background-color .2s, transform .2s;
}

.btn-cta:hover,
.btn-cta:focus-visible {
    background: #e7e2ee;
    color: #0d0a10;
    transform: translateY(-2px);
}

/* Telas médias e grandes: tipografia leve/itálica como no layout desktop */
@media (min-width: 768px) {
    .success-title { font-size: clamp(3.5rem, 6vw, 6.5rem); }

    .success-sub,
    .success-lead { max-width: none; }

    .success-sub  { font-size: clamp(1.8rem, 2.8vw, 3.1rem); margin-bottom: 2.4rem; }
    .success-lead { font-size: clamp(1.6rem, 2.4vw, 2.7rem); margin-bottom: 1.8rem; }

    .benefit-title {
        font-size: clamp(1.8rem, 3vw, 3rem);
        font-weight: 800;
        font-style: italic;
        font-stretch: 125%;
        margin-bottom: .6rem !important;
    }

    .benefit-text {
        font-size: clamp(1.2rem, 2.1vw, 2.2rem);
        font-weight: 300;
        font-style: italic;
        margin-bottom: .5rem !important;
    }

    .benefit-note { font-size: clamp(1rem, 1.5vw, 1.55rem); }
}

/* Desktop: o botão encosta na linha do rodapé, como no layout */
@media (min-width: 992px) {
    .view-success { align-self: flex-end; }
    .btn-cta {
        margin-bottom: 0;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        max-width: 38rem;
    }
}

/* Rodapé centralizado na tela de sucesso em telas pequenas */
@media (max-width: 767.98px) {
    body.is-success .footer-inner {
        flex-direction: column;
        text-align: left;
        gap: 1.25rem;
    }
}

/* 6. Utilitários ---------------------------------------------------------- */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; scroll-behavior: auto !important; }
}