/* ================================================
   MANARE RESIDENCE — Design System
   ================================================ */

@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600&family=Manrope:wght@300;400;500;600;700&display=swap");

:root {
  /* Colors */
  --color-white: #ffffff;
  --color-blue-dark: #28385a;
  --color-blue-secondary: #23436e;
  --color-grey-warm: #7e7c6f;
  --color-grey-light: #e7e7e7;
  --color-black: #0a0a0a;

  /* Typography */
  --font-primary: "Manrope", sans-serif;
  --font-secondary: "Cormorant Garamond", serif;

  /* Transitions */
  --transition-fast: 0.3s ease;
}

/* ================================================
   Global Reset
   ================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-primary);
  color: var(
    --color-blue-dark
  ); /* Default text color as requested for general site, though hero uses white */
  background: var(--color-white);
}

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

ul {
  list-style: none;
}

/* ================================================
   Typography
   ================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 400; /* Serif often looks best at regular weight for elegant titles */
}

/* ================================================
   Buttons (Sharp Edges Only)
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 0; /* Strict no rounded corners */
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-blue-dark);
  color: var(--color-white);
  border-color: var(--color-blue-dark);
}

.btn-primary:hover {
  background-color: var(--color-white);
  color: var(--color-blue-dark);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-blue-dark);
}

/* ================================================
   Sticky Header Layout
   ================================================ */
.sticky-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  /* Fundo escuro azul exigido se quisermos usar o texto/logo claro ou usamos transparente glass / branco. Vamos de branco! 
     O User disse "fundo azul" para o BOTAO. E "logo branca svg". Para a logo branca aparecer preciso fundo escuro no Header inteiro. */
  background-color: rgba(
    40,
    56,
    90,
    1
  ); /* Solid opaque — no backdrop-filter for performance */
  z-index: 1000;
  transform: translateY(-100%); /* Hidden by default */
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Toggled via JavaScript when scrolling past Hero */
.sticky-header.is-stuck,
.sticky-header.is-always-visible {
  transform: translateY(0);
}

.sticky-header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 4%;
  max-width: 1400px;
  margin: 0 auto;
}

.sticky-header__left {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 9rem; /* Espaço entre a logo e os botões do menu */
}

.sticky-header__logo-link {
  display: flex;
  align-items: center;
}

.sticky-header__right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.sticky-header__nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.sticky-header__link {
  font-family: var(--font-primary);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-white); /* White text to match dark background */
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap; /* Prevent wrapping into two lines */
}

.sticky-header__link:hover {
  border-color: var(--color-white);
}

.sticky-header__logo {
  height: 50px;
  width: auto;
  user-select: none;
}

/* Updated Sticky Header CTA Button */
.sticky-header__cta.btn-primary {
  background-color: var(--color-grey-light);
  color: var(--color-grey-warm);
  border-color: var(--color-grey-light);
}

.sticky-header__cta.btn-primary:hover {
  background-color: var(--color-white);
  color: var(--color-grey-warm);
}

/* Modificamos o btn primary caso esteja no header azul (senão confunde fundo escuro c btn escuro) 
   O user disse "fundo azul do mesmo tipo" para o botão. Se o botão for azul, o Header tem de ser BRANCO! */
.sticky-header.theme-light {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--color-grey-light);
}

.sticky-header.theme-light .sticky-header__link {
  color: var(--color-blue-dark);
}

.sticky-header.theme-light .sticky-header__link:hover {
  border-color: var(--color-blue-dark);
}

/* Invertendo a cor da logo via filtro para q ele fique azul se o header for claro */
.sticky-header.theme-light .sticky-header__logo {
  filter: invert(18%) sepia(21%) saturate(2331%) hue-rotate(186deg)
    brightness(94%) contrast(92%);
}

/* ================================================
   Scroll Animations (Base)
   ================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   WhatsApp Floating Action Button
   ================================================ */
.whatsapp-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  animation: none;
}

.whatsapp-fab svg {
  width: 28px;
  height: 28px;
  fill: #ffffff;
}

@keyframes whatsapp-pulse {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
  }
}

/* ================================================
   Back to Top Button
   ================================================ */
.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-grey-light);
  opacity: 0.6;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem 0;
}

.back-to-top:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}