/* ==========================================================================
   OUTUBRO ROSA SÃO MATEUS — DESIGN SYSTEM
   ========================================================================== */

:root {
  --color-bg: #FFF8FA;
  --color-bg-alt: #FDEEF3;
  --color-surface: #FFFFFF;

  --color-ink: #33262C;
  --color-ink-soft: #6E5A61;
  --color-ink-muted: #A88E96;

  --color-rose-900: #4A0F2C;
  --color-rose-700: #7A1F49;
  --color-rose-600: #A32A62;
  --color-rose-500: #C13D74;
  --color-rose-300: #E792AE;
  --color-rose-100: #F6C9D8;

  --color-white: #FFFFFF;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, sans-serif;

  --fs-hero-title: clamp(2.25rem, 5.5vw, 4rem);
  --fs-hero-subtitle: clamp(1.05rem, 2vw, 1.375rem);
  --fs-h2: clamp(1.75rem, 4vw, 2.75rem);
  --fs-h3: clamp(1.25rem, 2.5vw, 1.75rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  --lh-tight: 1.12;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  --container-max: 1200px;
  --container-narrow: 860px;
  --container-padding: var(--space-3);

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-pill: 999px;

  --shadow-soft: 0 12px 32px rgba(74, 15, 44, 0.14);
  --shadow-image: 0 24px 48px rgba(74, 15, 44, 0.22);
  --shadow-button: 0 8px 20px rgba(193, 61, 116, 0.35);

  --transition-fast: 150ms ease;
  --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height: 76px;
}

/* ==========================================================================
   RESET
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-rose-700);
  color: var(--color-white);
  padding: var(--space-2) var(--space-3);
  z-index: 200;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

:focus-visible {
  outline: 3px solid var(--color-rose-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255, 248, 250, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(74, 15, 44, 0.08);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar.is-scrolled {
  background: rgba(255, 248, 250, 0.95);
  box-shadow: 0 4px 20px rgba(74, 15, 44, 0.08);
}

.navbar__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.navbar__ribbon {
  height: 34px;
  width: auto;
}

.navbar__brand-text {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: 1.15rem;
  color: var(--color-rose-700);
  line-height: 1.1;
  display: flex;
  flex-direction: column;
}

.navbar__brand-text small {
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
}

.navbar__nav {
  display: none;
  align-items: center;
  gap: var(--space-4);
  font-weight: var(--fw-semibold);
  font-size: 0.95rem;
}

.navbar__nav a {
  color: var(--color-ink);
  transition: color var(--transition-fast);
}

.navbar__nav a:hover {
  color: var(--color-rose-600);
}

.navbar__cta {
  background-color: var(--color-rose-600);
  color: var(--color-white) !important;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.navbar__cta:hover {
  background-color: var(--color-rose-700);
  transform: translateY(-1px);
}

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.navbar__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-rose-700);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.navbar__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 899px) {
  .navbar__nav {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    gap: var(--space-1);
    box-shadow: 0 12px 24px rgba(74, 15, 44, 0.12);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition-base), opacity var(--transition-base);
  }

  .navbar__nav.is-open {
    display: flex;
    max-height: 400px;
    opacity: 1;
  }

  .navbar__nav a {
    padding: var(--space-2);
    border-radius: var(--radius-sm);
  }

  .navbar__nav a:hover {
    background-color: var(--color-bg-alt);
  }

  .navbar__cta {
    text-align: center;
    margin-top: var(--space-1);
  }
}

@media (min-width: 900px) {
  .navbar__nav {
    display: flex;
  }
  .navbar__toggle {
    display: none;
  }
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-7) var(--container-padding);
  overflow: hidden;
  text-align: center;

  background-image:
    linear-gradient(160deg, rgba(74, 15, 44, 0.93) 0%, rgba(122, 31, 73, 0.87) 45%, rgba(193, 61, 116, 0.8) 100%),
    url('img/hero-bg.jpg');
  background-size: cover;
  background-position: center 20%;
  background-repeat: no-repeat;
  background-color: var(--color-rose-900);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 4, 12, 0.35) 0%, rgba(20, 4, 12, 0.1) 40%, rgba(20, 4, 12, 0.5) 100%);
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 44rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  animation: hero-rise 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__location {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-900);
  background-color: var(--color-white);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-hero-title);
  line-height: var(--lh-tight);
  color: var(--color-white);
  max-width: 18ch;
  text-wrap: balance;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  font-size: var(--fs-hero-subtitle);
  line-height: var(--lh-relaxed);
  color: var(--color-rose-100);
  max-width: 34ch;
}

.hero__ctas {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  width: 100%;
}

.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-pill);
  display: none;
}

.hero__scroll-cue span {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background-color: var(--color-white);
  border-radius: var(--radius-pill);
  animation: scroll-cue 1.8s ease-in-out infinite;
}

@keyframes scroll-cue {
  0% { transform: translate(-50%, 0); opacity: 1; }
  70% { transform: translate(-50%, 14px); opacity: 0; }
  100% { opacity: 0; }
}

@media (min-width: 640px) {
  .hero__ctas { flex-direction: row; flex-wrap: wrap; }
}

@media (min-width: 900px) {
  .hero__scroll-cue { display: block; }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base),
    background-color var(--transition-base), border-color var(--transition-base);
  white-space: nowrap;
}

@media (min-width: 640px) {
  .btn { width: auto; }
}

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

.btn--primary {
  background-color: var(--color-white);
  color: var(--color-rose-700);
  box-shadow: var(--shadow-button);
}
.btn--primary:hover {
  background-color: var(--color-rose-100);
  box-shadow: 0 10px 26px rgba(74, 15, 44, 0.4);
}

.btn--secondary {
  background-color: var(--color-rose-500);
  color: var(--color-white);
  border-color: var(--color-rose-500);
}
.btn--secondary:hover {
  background-color: var(--color-rose-600);
  border-color: var(--color-rose-600);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.55);
}
.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
}

/* ==========================================================================
   IMPACTO
   ========================================================================== */

.impact {
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg);
}

.impact__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .impact__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .impact__grid { grid-template-columns: repeat(4, 1fr); }
}

.impact-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.impact-card__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-600);
  line-height: 1;
}

.impact-card__label {
  font-family: var(--font-body);
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
}

.impact-card--award {
  background-color: var(--color-rose-700);
  color: var(--color-white);
}
.impact-card--award .impact-card__label { color: var(--color-rose-100); }

.impact-card__icon { font-size: 2.5rem; line-height: 1; }

.impact-card__award-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
}

/* ==========================================================================
   SOBRE (QUEM SOMOS)
   ========================================================================== */

.about {
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg-alt);
}

.about__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-700);
  line-height: var(--lh-tight);
}

.about__paragraph {
  font-family: var(--font-body);
  color: var(--color-ink);
  line-height: var(--lh-relaxed);
  max-width: 60ch;
}

.about__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 20%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-image);
  background-color: var(--color-rose-100);
}

/* ==========================================================================
   FAIXA DE CITAÇÃO
   ========================================================================== */

.quote-band {
  background: linear-gradient(120deg, var(--color-rose-700), var(--color-rose-600));
  padding: var(--space-5) var(--container-padding);
  text-align: center;
}

.quote-band__text {
  max-width: 46ch;
  margin: 0 auto;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--fw-medium);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  line-height: var(--lh-relaxed);
  color: var(--color-white);
}

/* ==========================================================================
   NOVIDADES
   ========================================================================== */

.news {
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg);
}

.news__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-700);
  text-align: center;
  margin-bottom: var(--space-6);
}

.news__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .news__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .news__grid { grid-template-columns: repeat(4, 1fr); }
}

.news-card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 200px;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover, .news-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(74, 15, 44, 0.2);
}

.news-card__icon {
  font-size: 2.25rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background-color: var(--color-rose-100);
}

.news-card__label {
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  line-height: var(--lh-normal);
}

.news-card--photo {
  padding: 0;
  align-items: stretch;
  justify-content: flex-end;
}

.news-card__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card__photo--contain {
  object-fit: contain;
  background-color: var(--color-bg-alt);
  padding: var(--space-3);
}

.news-card__overlay {
  position: relative;
  z-index: 1;
  padding: var(--space-3);
  background: linear-gradient(0deg, rgba(20, 4, 12, 0.78) 0%, rgba(20, 4, 12, 0) 100%);
}

.news-card--photo .news-card__label { color: var(--color-white); }

/* ==========================================================================
   GALERIA
   ========================================================================== */

.gallery {
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg-alt);
}

.gallery__header {
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-5);
  text-align: center;
}

.gallery__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-700);
  margin-bottom: var(--space-2);
}

.gallery__subtitle {
  color: var(--color-ink-soft);
  line-height: var(--lh-relaxed);
}

.gallery__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.gallery__item {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base);
}

.gallery__item:hover {
  transform: scale(1.02);
}

@media (min-width: 640px) {
  .gallery__grid { grid-template-columns: repeat(4, 1fr); }
  .gallery__item--tall {
    grid-row: span 2;
    aspect-ratio: auto;
  }
}

/* ==========================================================================
   PRÊMIO FAROL DO BEM
   ========================================================================== */

.award {
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg);
}

.award__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 1024px) {
  .award__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .award__grid > .award__media { order: 2; }
  .award__grid > .award__text { order: 1; }
}

.award__media {
  position: relative;
  padding-bottom: var(--space-4);
  padding-right: var(--space-4);
}

.award__image--main {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-image);
}

.award__image--secondary {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 45%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 5px solid var(--color-bg);
  box-shadow: var(--shadow-image);
}

.award__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.award__eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-600);
}

.award__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-700);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-1);
}

.award__paragraph {
  color: var(--color-ink);
  line-height: var(--lh-relaxed);
  max-width: 56ch;
}

.award__badge {
  margin-top: var(--space-2);
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-700);
  background-color: var(--color-rose-100);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   COMO APOIAR
   ========================================================================== */

.support {
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg-alt);
}

.support__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-rose-700);
  text-align: center;
  margin-bottom: var(--space-6);
}

.support__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .support__grid { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
}

.support__block {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.support__block-text {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.support__block-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.support__block--dark {
  background-color: var(--color-rose-900);
  color: var(--color-white);
  padding: var(--space-5);
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-3);
}

.support__block-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--color-rose-700);
}

.support__block--dark .support__block-title { color: var(--color-white); }

.support__text {
  font-family: var(--font-body);
  color: var(--color-rose-100);
  line-height: var(--lh-relaxed);
}

.support__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: 100%;
}

.support__list-item {
  font-family: var(--font-body);
  color: var(--color-ink);
  padding: var(--space-2);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

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

.site-footer {
  background-color: var(--color-rose-900);
  padding: var(--space-6) var(--container-padding);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.site-footer__ribbon {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-1);
}

.site-footer__phrase {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--color-white);
  max-width: 40ch;
  line-height: var(--lh-tight);
}

.site-footer__partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.site-footer__partner {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-rose-100);
  border: 1px solid rgba(246, 201, 216, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
}

.site-footer__copyright {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-rose-300);
  margin-top: var(--space-2);
}

/* ==========================================================================
   BACK TO TOP
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-3);
  right: var(--space-3);
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-rose-700);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  font-size: 1.2rem;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-rose-600);
}