/* ==========================================================================
   TEIXUGO VPN — Design tokens
   Paleta extraída do mockup: creme claro, preto quase puro, dourado/âmbar
   Tipografia: display condensada em caixa-alta (peso pesado) + corpo neutro
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* cores */
    --color-bg-light:     #F3F1F0;
    --color-bg-lighter:   #F8F6F4;
    --color-bg-dark:      #101010;
    --color-bg-dark-2:    #191919;
    --color-text-dark:    #111111;
    --color-text-light:   #F5F3EE;
    --color-text-muted:   #5C5A55;
    --color-text-muted-light: #A6A39C;
    --color-accent:       #F5B725;   /* dourado/âmbar principal, extraído do mockup */
    --color-accent-dark:  #D89D00;
    --color-border:       #E4E0D8;
    --color-border-dark:  #2B2B2B;

    /* tipografia */
    --font-display: 'Archivo Black', 'Arial Black', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* espaçamento */
    --container-width: 1140px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background: var(--color-bg-light);
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* Foco visível pra acessibilidade de teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

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

/* ==========================================================================
   NAVBAR
   ========================================================================== */

.navbar {
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 0.02em;
}

.navbar__logo .shield {
    width: 34px;
    height: 34px;
    color: var(--color-text-dark);
    object-fit: contain;
    display: block;
}

.navbar__logo span.accent { color: var(--color-accent); display: block; }

.navbar__links {
    display: flex;
    gap: 36px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar__links a {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-dark);
    padding-bottom: 6px;
    border-bottom: 2px solid transparent;
}

.navbar__links a.is-active,
.navbar__links a:hover {
    border-bottom-color: var(--color-accent);
}

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

.navbar__actions .link-btn {
    font-weight: 600;
    font-size: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 15px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn--accent {
    background: var(--color-accent);
    color: var(--color-text-dark);
}
.btn--accent:hover { background: var(--color-accent-dark); }

.btn--outline {
    background: transparent;
    border: 1.5px solid var(--color-text-dark);
    color: var(--color-text-dark);
}
.btn--outline:hover { background: var(--color-text-dark); color: var(--color-text-light); }

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

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
    position: relative;
    overflow: hidden;
    background: var(--color-bg-light);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding-top: 64px;
    padding-bottom: 0;
}

.hero__eyebrow-shape {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 78% 45%, rgba(243,169,55,0.12), transparent 55%);
    pointer-events: none;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(40px, 5vw, 58px);
    line-height: 1.05;
    margin: 0 0 20px;
    text-transform: uppercase;
}

.hero__title .accent { color: var(--color-accent); }

.hero__subtitle {
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 46ch;
    margin: 0 0 32px;
}

.hero__cta-row {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero__trust {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.hero__trust svg { flex: none; margin-top: 2px; color: var(--color-accent); }

.hero__trust strong { display: block; font-size: 15px; }
.hero__trust span { font-size: 14px; color: var(--color-text-muted); }

.hero__art {
    position: relative;
    min-height: 620px;
    overflow: hidden;
}

.hero__art::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 60% 32%, rgba(245,183,37,0.16), transparent 55%),
        radial-gradient(rgba(17,17,17,0.14) 1.4px, transparent 1.6px) 0 0/16px 16px;
    -webkit-mask-image: radial-gradient(ellipse 60% 55% at 55% 40%, #000 60%, transparent 100%);
            mask-image: radial-gradient(ellipse 60% 55% at 55% 40%, #000 60%, transparent 100%);
    pointer-events: none;
}

.hero__art-frame {
    position: absolute;
    inset: 0;
}

.hero__art-frame img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: drop-shadow(0 24px 32px rgba(0,0,0,0.16));
}

.hero__art-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-text-muted);
    text-align: center;
    padding: 40px;
    font-size: 14px;
}
.hero__art-placeholder svg { width: 64px; height: 64px; color: var(--color-accent); }

.hero__badge {
    position: absolute;
    z-index: 2;
    right: 8px;
    bottom: 56px;
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    max-width: 230px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.hero__badge svg { flex: none; color: var(--color-accent); margin-top: 2px; }
.hero__badge strong { display: block; font-size: 13px; letter-spacing: 0.03em; }
.hero__badge span { font-size: 12.5px; color: var(--color-text-muted-light); }

/* ==========================================================================
   FEATURES (seção escura)
   ========================================================================== */

.features {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 72px 0;
    margin-top: 56px;
}

.features__heading {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(22px, 3vw, 30px);
    text-transform: uppercase;
    margin: 0 0 52px;
}
.features__heading .accent { color: var(--color-accent); }

.features__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
}

.feature {
    padding: 0 24px;
    border-left: 1px solid var(--color-border-dark);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.feature:first-child { border-left: none; }

.feature svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    margin-bottom: 18px;
}

.feature h3 {
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 14.5px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin: 0 0 10px;
}

.feature p {
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--color-text-muted-light);
    margin: 0;
}

/* ==========================================================================
   PRICING
   ========================================================================== */

.pricing {
    padding: 88px 0 64px;
    text-align: center;
}

.pricing__heading {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 32px);
    text-transform: uppercase;
    margin: 0 0 40px;
}
.pricing__heading .accent { color: var(--color-accent); }

.plan-card {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border-radius: var(--radius-lg);
    padding: 40px 44px;
    max-width: 620px;
    margin: 0 auto;
    text-align: left;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
}

.plan-card__name {
    font-family: var(--font-display);
    font-size: 22px;
    text-transform: uppercase;
    margin: 0 0 8px;
}

.plan-card__tagline {
    font-size: 14px;
    color: var(--color-text-muted-light);
    margin: 0 0 20px;
}

.plan-card__price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 4px;
}
.plan-card__price .amount {
    font-family: var(--font-display);
    font-size: 40px;
    color: var(--color-accent);
}
.plan-card__price .period {
    font-size: 14px;
    color: var(--color-text-muted-light);
}
.plan-card__price-note {
    font-size: 12.5px;
    color: var(--color-text-muted-light);
    margin: 0 0 24px;
}

.plan-card__features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.plan-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}
.plan-card__features svg { color: var(--color-accent); flex: none; }

.pricing__note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
    font-size: 14px;
    color: var(--color-text-muted);
}
.pricing__note svg { color: var(--color-accent); }

/* Botão assinar ocupa a linha toda dentro do card, abaixo da grid */
.plan-card__cta-wrap {
    grid-column: 1 / -1;
}

/* ==========================================================================
   COMO FUNCIONA
   ========================================================================== */

.how-it-works {
    padding: 64px 0 88px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.how-it-works__heading {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.6vw, 26px);
    text-transform: uppercase;
    margin: 0 0 44px;
}

.steps {
    display: flex;
    justify-content: center;
    gap: 0;
    max-width: 780px;
    margin: 0 auto;
}

.step {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 16px;
}

.step__icon-wrap {
    position: relative;
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.step__icon-wrap svg { width: 26px; height: 26px; color: var(--color-text-dark); }

.step__number {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-text-dark);
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step__connector {
    position: absolute;
    top: 34px;
    left: calc(50% + 44px);
    width: calc(100% - 88px);
    border-top: 2px dashed var(--color-border);
}
.step:last-child .step__connector { display: none; }

.step h3 {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin: 0 0 8px;
}

.step p {
    font-size: 13.5px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
    max-width: 22ch;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 44px 0 0;
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 36px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 17px;
}
.footer__logo .shield { width: 30px; height: 30px; object-fit: contain; display: block; }
.footer__logo span.accent { color: var(--color-accent); display: block; }

.footer__tagline {
    font-size: 13px;
    color: var(--color-text-muted-light);
    margin-top: 4px;
}

.footer__mid {
    display: flex;
    align-items: center;
    gap: 40px;
}

.footer__social {
    display: flex;
    gap: 14px;
}
.footer__social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}
.footer__social a:hover { background: var(--color-border-dark); }

.footer__powered {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12.5px;
    color: var(--color-text-muted-light);
}
.footer__powered strong { color: var(--color-text-light); font-size: 14px; }

.footer__bottom {
    border-top: 1px solid var(--color-border-dark);
    margin-top: 36px;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    color: var(--color-text-muted-light);
}
.footer__bottom a { margin-left: 20px; }
.footer__bottom a:hover { color: var(--color-text-light); }

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */

@media (max-width: 960px) {
    .navbar__links { display: none; }
    .hero .container { grid-template-columns: 1fr; }
    .hero__art { min-height: 380px; }
    .features__grid { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
    .feature { border-left: none; }
    .plan-card { grid-template-columns: 1fr; }
    .steps { flex-direction: column; gap: 32px; }
    .step__connector { display: none; }
    .footer__top, .footer__mid { flex-direction: column; gap: 20px; align-items: flex-start; }
    .footer__bottom { flex-direction: column; gap: 10px; }
    .footer__bottom a { margin-left: 0; margin-right: 16px; }
}

@media (max-width: 600px) {
    .container { padding: 0 20px; }
    .navbar .container { height: 68px; }
    .hero { padding-top: 8px; }
    .hero__art { min-height: 300px; }
    .plan-card { padding: 28px; }
}

/* ==========================================================================
   TELAS DE CONTA (criar / entrar via Nostr)
   ========================================================================== */

.auth-section {
    padding: 72px 0 96px;
    min-height: 60vh;
}

.auth-card {
    max-width: 560px;
    margin: 0 auto;
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.auth-card h1 {
    font-family: var(--font-display);
    font-size: 26px;
    text-transform: uppercase;
    margin: 0 0 12px;
}

.auth-card p.auth-lead {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin: 0 0 28px;
}

.auth-step { display: none; }
.auth-step.is-active { display: block; }

.key-display {
    background: var(--color-bg-dark);
    color: var(--color-accent);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    word-break: break-all;
    padding: 16px 18px;
    border-radius: var(--radius-md);
    margin: 0 0 16px;
    position: relative;
}

.key-warning {
    display: flex;
    gap: 10px;
    background: #FBEFD8;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 13.5px;
    line-height: 1.5;
    margin: 0 0 24px;
}
.key-warning svg { flex: none; color: var(--color-accent-dark); margin-top: 2px; }

.auth-input {
    width: 100%;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    padding: 14px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    background: #fff;
    color: var(--color-text-dark);
}
.auth-input:focus { outline: none; border-color: var(--color-accent); }

.auth-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.auth-switch {
    margin-top: 28px;
    font-size: 14px;
    color: var(--color-text-muted);
    text-align: center;
}
.auth-switch a { color: var(--color-accent-dark); font-weight: 700; }

.auth-feedback {
    font-size: 14px;
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    display: none;
}
.auth-feedback.is-error { display: block; background: #FBE4E1; color: #8A2C21; }
.auth-feedback.is-success { display: block; background: #E7F5EC; color: #1E6B3C; }

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
    color: var(--color-text-muted);
    margin: 0 0 20px;
}
.checkbox-row input { margin-top: 3px; }