/* =============================================================================
   Guia Clareamento Íntimo — design system (clínica premium)
   ============================================================================= */

:root {
    --color-white: #ffffff;
    --color-nude: #f5ede6;
    --color-nude-dark: #e8ddd3;
    --color-gold: #c9a96e;
    --color-gold-dark: #a88b52;
    --color-text: #2c2a28;
    --color-text-soft: #5c5854;
    --color-ink: #1a1918;
    --shadow-sm: 0 4px 20px rgba(44, 42, 40, 0.06);
    --shadow-md: 0 12px 40px rgba(44, 42, 40, 0.1);
    --shadow-gold: 0 8px 32px rgba(201, 169, 110, 0.35);
    --radius: 16px;
    --radius-lg: 24px;
    --font: 'DM Sans', system-ui, -apple-system, sans-serif;
    --max-read: 42rem;
    --header-h: 72px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-gold-dark);
}

/* -----------------------------------------------------------------------------
   Utilities
   ----------------------------------------------------------------------------- */

.container {
    width: min(1120px, 92vw);
    margin-inline: auto;
}

.container--narrow {
    width: min(var(--max-read), 92vw);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.section {
    padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.section--nude {
    background: linear-gradient(180deg, var(--color-nude) 0%, var(--color-white) 100%);
}

.section--nude-flat {
    background: var(--color-nude);
}

.section__title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--color-ink);
    text-align: center;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
}

.section__subtitle {
    text-align: center;
    color: var(--color-text-soft);
    max-width: 36rem;
    margin: 0 auto 2.5rem;
}

.section__title--subtle {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.section--garantia-compact {
    padding: clamp(1.75rem, 4vw, 2.5rem) 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-nude-dark);
    border-bottom: 1px solid var(--color-nude-dark);
}

.io-fade {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.js-ready .io-fade.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 999px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(201, 169, 110, 0.45);
}

.btn--lg {
    padding: 1.1rem 2.25rem;
    font-size: 1rem;
}

.btn--outline {
    background: var(--color-white);
    border-color: var(--color-gold);
    color: var(--color-gold-dark);
    box-shadow: var(--shadow-sm);
}

.btn--outline:hover {
    background: var(--color-nude);
    transform: translateY(-2px);
}

.btn--block {
    width: 100%;
}

/* -----------------------------------------------------------------------------
   Home — Linktree premium
   ----------------------------------------------------------------------------- */

.page-home {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: radial-gradient(ellipse 120% 80% at 50% -20%, var(--color-nude) 0%, var(--color-white) 55%);
}

.home-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0 3rem;
}

.home-card {
    width: min(420px, 100%);
    text-align: center;
}

.home-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-gold-dark);
    margin-bottom: 1rem;
}

.home-headline {
    font-size: clamp(1.65rem, 5vw, 2rem);
    font-weight: 700;
    color: var(--color-ink);
    margin: 0 0 0.75rem;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.home-sub {
    font-size: 1rem;
    color: var(--color-text-soft);
    margin: 0 0 2rem;
    line-height: 1.55;
}

.linktree-stack {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.linktree-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    background: var(--color-white);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(201, 169, 110, 0.2);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.linktree-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-gold);
}

.linktree-card__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: var(--color-nude);
    border-radius: 12px;
    color: var(--color-gold-dark);
}

.linktree-card__icon svg {
    width: 22px;
    height: 22px;
}

.linktree-card__text {
    flex: 1;
    text-align: left;
    min-width: 0;
}

.linktree-card__label {
    display: block;
    font-weight: 600;
    font-size: 1rem;
}

.linktree-card__sub {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    margin-top: 0.15rem;
}

.linktree-card__proof {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    margin-top: 0.4rem;
    line-height: 1.35;
}

.linktree-card__proof strong {
    color: var(--color-gold-dark);
    font-weight: 600;
}

.linktree-card__chevron {
    font-size: 1.25rem;
    color: var(--color-gold);
    opacity: 0.7;
}

.home-proof {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: var(--color-text-soft);
}

.home-proof strong {
    color: var(--color-gold-dark);
    font-weight: 600;
}

.home-footer-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    padding: 1rem;
    border-top: 1px solid var(--color-nude-dark);
}

/* -----------------------------------------------------------------------------
   Landing — top bar (opcional)
   ----------------------------------------------------------------------------- */

.landing-top {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-nude-dark);
}

.landing-top__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-h);
    gap: 1rem;
}

.landing-logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
    text-decoration: none;
}

.landing-logo__img {
    display: block;
    height: clamp(34px, 4.5vw, 44px);
    width: auto;
    max-width: min(220px, 52vw);
    object-fit: contain;
}

.landing-top .btn {
    padding: 0.55rem 1.15rem;
    font-size: 0.75rem;
    white-space: nowrap;
}

/* -----------------------------------------------------------------------------
   Hero VSL
   ----------------------------------------------------------------------------- */

.hero {
    padding: clamp(2rem, 5vw, 3rem) 0 clamp(3rem, 8vw, 5rem);
    background: linear-gradient(165deg, var(--color-nude) 0%, var(--color-white) 45%);
}

.hero__grid {
    display: grid;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
}

@media (min-width: 900px) {
    .hero__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.hero__content {
    max-width: 34rem;
}

.hero__eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold-dark);
    margin-bottom: 0.75rem;
}

.hero__title {
    font-size: clamp(1.85rem, 4.5vw, 2.65rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-ink);
    margin: 0 0 1rem;
    letter-spacing: -0.03em;
}

.hero__lead {
    font-size: 1.125rem;
    color: var(--color-text-soft);
    margin: 0 0 1.75rem;
}

.hero__cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero__mock {
    position: relative;
    justify-self: center;
    max-width: 340px;
    width: 100%;
}

.hero__mock-frame {
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--color-ink) 0%, #3d3a36 100%);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
    padding: 12%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__mock-screen {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    background: var(--color-nude);
    display: block;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.hero__mock-cover {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.hero__glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.25) 0%, transparent 65%);
    z-index: -1;
    pointer-events: none;
}

/* -----------------------------------------------------------------------------
   Copy blocks
   ----------------------------------------------------------------------------- */

.prose {
    max-width: var(--max-read);
    margin-inline: auto;
}

.prose p {
    margin: 0 0 1rem;
    color: var(--color-text-soft);
}

.prose p:last-child {
    margin-bottom: 0;
}

.prose strong {
    color: var(--color-text);
}

.belief-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 700px) {
    .belief-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.belief-item {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-nude-dark);
    box-shadow: var(--shadow-sm);
}

.belief-item h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    color: var(--color-ink);
}

.belief-item p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-soft);
}

.method-highlight {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 2.5rem);
    border: 1px solid rgba(201, 169, 110, 0.35);
    box-shadow: var(--shadow-sm);
    max-width: 40rem;
    margin-inline: auto;
}

.method-highlight h2 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    color: var(--color-ink);
}

.method-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.method-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-soft);
}

.method-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.45rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-gold);
}

/* -----------------------------------------------------------------------------
   Benefit cards
   ----------------------------------------------------------------------------- */

.benefits-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.benefit-card {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-nude-dark);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.benefit-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.benefit-card__icon {
    width: 44px;
    height: 44px;
    color: var(--color-gold-dark);
    margin-bottom: 0.75rem;
}

.benefit-card__icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card__title {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    color: var(--color-ink);
}

.benefit-card__text {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-soft);
}

/* -----------------------------------------------------------------------------
   Testimonials
   ----------------------------------------------------------------------------- */

.testimonials-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial {
    margin: 0;
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-nude-dark);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.testimonial__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-nude-dark), var(--color-nude));
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-gold-dark);
    border: 2px solid var(--color-gold);
}

.testimonial__quote {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text);
    font-style: normal;
    line-height: 1.55;
}

.testimonial__result {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-soft);
}

.testimonial__footer {
    margin-top: auto;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-nude);
}

.testimonial__name {
    display: block;
    font-style: normal;
    font-weight: 600;
    color: var(--color-ink);
    font-size: 0.9rem;
}

.testimonial__loc {
    font-size: 0.8125rem;
    color: var(--color-text-soft);
}

/* -----------------------------------------------------------------------------
   Before / after
   ----------------------------------------------------------------------------- */

.before-after-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .before-after-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .before-after-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.before-after-grid--duo {
    max-width: 56rem;
    margin-inline: auto;
}

@media (min-width: 640px) {
    .before-after-grid--duo {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .before-after-grid--duo {
        grid-template-columns: repeat(2, 1fr);
    }
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-nude-dark);
    box-shadow: var(--shadow-sm);
}

.before-after__panel {
    position: relative;
    min-height: 160px;
    display: flex;
    align-items: flex-end;
    padding: 0.65rem;
    overflow: hidden;
}

.before-after__panel--before {
    background: linear-gradient(160deg, #d4ccc4 0%, #b8aea4 100%);
}

.before-after__panel--after {
    background: linear-gradient(160deg, var(--color-nude) 0%, #e5d9cf 100%);
}

.before-after__tag {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 1;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    color: var(--color-text);
}

.before-after__tag--gold {
    background: var(--color-gold);
    color: var(--color-white);
}

.before-after__mock {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 6px,
        rgba(255, 255, 255, 0.12) 6px,
        rgba(255, 255, 255, 0.12) 12px
    );
}

.before-after__mock--after {
    opacity: 0.25;
}

.before-after__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* -----------------------------------------------------------------------------
   FAQ (estilo checkout / Kiwify)
   ----------------------------------------------------------------------------- */

.faq-wrap {
    max-width: 40rem;
    margin-inline: auto;
}

.faq-list {
    margin: 0;
    padding: 0;
    border: 1px solid var(--color-nude-dark);
    border-radius: var(--radius);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid var(--color-nude-dark);
}

.faq-item:last-child {
    border-bottom: 0;
}

.faq-item__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.05rem 1.25rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-ink);
    list-style: none;
    transition: background 0.2s ease;
}

.faq-item__summary::-webkit-details-marker {
    display: none;
}

.faq-item__summary::marker {
    content: '';
}

.faq-item__summary:hover {
    background: var(--color-nude);
}

.faq-item__summary::after {
    content: '';
    flex-shrink: 0;
    width: 0.55rem;
    height: 0.55rem;
    margin-top: -0.2rem;
    border-right: 2px solid var(--color-gold-dark);
    border-bottom: 2px solid var(--color-gold-dark);
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.faq-item[open] > .faq-item__summary::after {
    transform: rotate(-135deg);
    margin-top: 0.15rem;
}

.faq-item__q {
    flex: 1;
    text-align: left;
    line-height: 1.4;
}

.faq-item__body {
    padding: 0 1.25rem 1.1rem;
}

.faq-item__a {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 0.98rem;
    line-height: 1.65;
}

/* -----------------------------------------------------------------------------
   Offer & guarantee
   ----------------------------------------------------------------------------- */

.offer-card {
    max-width: 480px;
    margin-inline: auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 5vw, 2.75rem);
    border: 2px solid var(--color-gold);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(201, 169, 110, 0.15);
    text-align: center;
}

.offer-card__title {
    margin: 0 0 0.5rem;
    font-size: 1.65rem;
    color: var(--color-ink);
}

.offer-card__price-old {
    font-size: 1rem;
    font-weight: 600;
    color: #b42318;
    margin: 0;
}

.offer-card__price-old-strike {
    text-decoration: line-through;
}

.offer-card__price-new {
    font-size: 2.5rem;
    font-weight: 700;
    color: #166534;
    margin: 0.25rem 0 1.25rem;
    letter-spacing: -0.02em;
}

.offer-list {
    text-align: left;
    list-style: none;
    margin: 0 0 1.75rem;
    padding: 0;
}

.offer-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 2rem;
    border-bottom: 1px solid var(--color-nude);
    color: var(--color-text);
}

.offer-list li:last-child {
    border-bottom: 0;
}

.offer-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--color-gold-dark);
    font-weight: 700;
}

.guarantee {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    max-width: 36rem;
    margin-inline: auto;
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-nude-dark);
    box-shadow: var(--shadow-sm);
}

.guarantee__seal {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-nude), var(--color-white));
    border: 2px solid var(--color-gold);
    display: grid;
    place-items: center;
    font-size: 0.65rem;
    font-weight: 800;
    text-align: center;
    line-height: 1.2;
    color: var(--color-gold-dark);
    text-transform: uppercase;
}

.guarantee h3 {
    margin: 0 0 0.35rem;
    font-size: 1.1rem;
    color: var(--color-ink);
}

.guarantee p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-soft);
}

.guarantee--compact {
    max-width: 32rem;
    margin-inline: auto;
    padding: 1rem 1.1rem;
    box-shadow: none;
    background: var(--color-nude);
    border: 1px solid var(--color-nude-dark);
    align-items: center;
    gap: 0.9rem;
}

.guarantee--compact .guarantee__text {
    margin: 0;
    font-size: 0.84rem;
    line-height: 1.5;
    color: var(--color-text-soft);
}

.guarantee__seal--sm {
    width: 48px;
    height: 48px;
    font-size: 0.55rem;
    line-height: 1.15;
    border-width: 1px;
}

.offer-card__guarantee-note {
    margin: 0 0 1.25rem;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--color-text-soft);
}

.cta-final {
    text-align: center;
    padding: clamp(3rem, 8vw, 5rem) 0;
    background: linear-gradient(180deg, var(--color-nude) 0%, var(--color-white) 100%);
}

.cta-final p {
    max-width: 28rem;
    margin: 0 auto 1.5rem;
    color: var(--color-text-soft);
}

/* -----------------------------------------------------------------------------
   Footer landing
   ----------------------------------------------------------------------------- */

.site-footer {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    border-top: 1px solid var(--color-nude-dark);
}

.site-footer a {
    color: var(--color-text-soft);
}