/* ═══════════════════════════════════════════
   LUJAN IMÓVEIS – Design System
   ═══════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  --color-bg:       #F9F7F4;
  --color-surface:  #FFFFFF;
  --color-dark:     #1A1814;
  --color-dark-2:   #2C2A26;
  --color-text:     #4A4540;
  --color-text-light:#8A8580;
  --color-gold:     #C5A468;
  --color-gold-2:   #A8863E;
  --color-border:   #E8E3DC;

  --font-serif:     'Cormorant Garamond', Georgia, serif;
  --font-sans:      'Inter', system-ui, sans-serif;

  --radius-sm:      4px;
  --radius-md:      8px;
  --radius-lg:      16px;

  --shadow-sm:      0 1px 4px rgba(0,0,0,.06);
  --shadow-md:      0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:      0 12px 48px rgba(0,0,0,.12);

  --transition:     .35s cubic-bezier(.4,0,.2,1);
  --nav-h:          80px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); background: var(--color-bg); color: var(--color-text); overflow-x: hidden; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ── Container ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ── Section helpers ── */
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.18;
  color: var(--color-dark);
}
.section-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 520px;
  line-height: 1.7;
  margin-top: 16px;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-desc { margin: 16px auto 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .06em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-gold);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-gold-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(197,164,104,.35);
}
.btn--outline {
  border: 1px solid rgba(255,255,255,.5);
  color: #fff;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.btn--outline:hover { border-color: #fff; background: rgba(255,255,255,.15); }
.btn--ghost {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.4);
  padding: 14px 4px;
  border-radius: 0;
}
.btn--ghost:hover { border-color: #fff; }
.btn--outline-dark {
  border: 1px solid var(--color-dark);
  color: var(--color-dark);
  padding: 14px 40px;
}
.btn--outline-dark:hover { background: var(--color-dark); color: #fff; }
.btn--sm { padding: 10px 20px; font-size: .8125rem; }
.btn--full { width: 100%; justify-content: center; }

/* ══════════════════════════════
   NAVBAR
══════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(249,247,244,.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}
.navbar__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}
.navbar__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  margin-right: auto;
}
.navbar__logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: .14em;
  color: #fff;
  transition: color var(--transition);
}
.navbar__logo-sub {
  font-family: var(--font-sans);
  font-size: .55rem;
  font-weight: 400;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.navbar.scrolled .navbar__logo-text { color: var(--color-dark); }
.navbar.scrolled .navbar__logo-sub  { color: var(--color-text-light); }
.navbar__nav { display: flex; gap: 36px; }
.navbar__link {
  font-size: .8125rem;
  font-weight: 400;
  letter-spacing: .04em;
  color: rgba(255,255,255,.85);
  transition: color var(--transition);
  position: relative;
}
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.navbar__link:hover::after { width: 100%; }
.navbar__link:hover { color: #fff; }
.navbar.scrolled .navbar__link { color: var(--color-text); }
.navbar.scrolled .navbar__link:hover { color: var(--color-dark); }
.navbar__cta { font-size: .8125rem; }
.navbar.scrolled .navbar__cta {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: transparent;
}
.navbar__hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.navbar__hamburger span { display: block; width: 22px; height: 1.5px; background: #fff; transition: var(--transition); border-radius: 1px; }
.navbar.scrolled .navbar__hamburger span { background: var(--color-dark); }
.navbar__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.7px, 4.7px); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.7px, -4.7px); }

/* ══════════════════════════════
   HERO
══════════════════════════════ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 10vh;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__image {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero.loaded .hero__image { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,8,6,.72) 0%,
    rgba(10,8,6,.45) 55%,
    rgba(10,8,6,.18) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}
.hero__eyebrow {
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.8rem);
  font-weight: 300;
  line-height: 1.08;
  color: #fff;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease .2s, transform 1s ease .2s;
}
.hero__title em {
  font-style: italic;
  color: var(--color-gold);
  font-weight: 300;
}
.hero__actions {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .4s, transform .8s ease .4s;
}
.hero.loaded .hero__eyebrow,
.hero.loaded .hero__title,
.hero.loaded .hero__actions {
  opacity: 1;
  transform: none;
}
.hero__scroll {
  position: absolute;
  bottom: 40px; right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 1;
  opacity: 0;
}
.hero__scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.5));
  animation: scrollLine 2s ease-in-out infinite;
}
.hero__scroll-text {
  font-size: .65rem;
  letter-spacing: .2em;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: .6; }
  50% { transform: scaleY(.6); opacity: 1; }
}

/* ══════════════════════════════
   STATS
══════════════════════════════ */
.stats { padding: 64px 0; background: var(--color-dark); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stats__item {
  text-align: center;
  padding: 24px 16px;
  border-right: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.stats__item:last-child { border-right: none; }
.stats__number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  color: #fff;
  line-height: 1;
}
.stats__plus { font-family: var(--font-serif); font-size: 2rem; color: var(--color-gold); line-height: 1; align-self: flex-start; margin-top: 4px; }
.stats__label { font-size: .8rem; color: rgba(255,255,255,.45); letter-spacing: .06em; }

/* ══════════════════════════════
   ABOUT
══════════════════════════════ */
.about { padding: 120px 0; }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__image-wrap {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-md);
  overflow: visible;
}
.about__image {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.about__badge {
  position: absolute;
  bottom: -24px; right: -24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
}
.about__badge i { font-size: 1.5rem; color: var(--color-gold); }
.about__badge strong { display: block; font-size: .875rem; color: var(--color-dark); }
.about__badge span { font-size: .75rem; color: var(--color-text-light); }
.about__text { font-size: .9375rem; line-height: 1.8; color: var(--color-text); margin: 16px 0; }
.about__content .section-title { margin-bottom: 24px; }
.about__content .btn { margin-top: 12px; }

/* ══════════════════════════════
   PROPERTIES
══════════════════════════════ */
.properties { padding: 120px 0; background: #F3F0EB; }
.properties__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.property-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.property-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.property-card--featured { box-shadow: var(--shadow-md); }
.property-card__img-wrap { position: relative; aspect-ratio: 3/2; overflow: hidden; }
.property-card__img { transition: transform .6s ease; }
.property-card:hover .property-card__img { transform: scale(1.05); }
.property-card__tag {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(26,24,20,.75);
  color: #fff;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
  backdrop-filter: blur(4px);
}
.property-card__tag--gold { background: var(--color-gold); }
.property-card__body { padding: 24px; }
.property-card__title { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 400; color: var(--color-dark); margin-bottom: 8px; }
.property-card__location { font-size: .8125rem; color: var(--color-text-light); display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.property-card__specs {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}
.property-card__specs span { font-size: .8rem; color: var(--color-text-light); display: flex; align-items: center; gap: 5px; }
.property-card__footer { display: flex; align-items: center; justify-content: space-between; }
.property-card__price { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 500; color: var(--color-dark); }
.properties__cta { text-align: center; margin-top: 56px; }

/* ══════════════════════════════
   SERVICES
══════════════════════════════ */
.services { padding: 120px 0; }
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  padding: 40px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-dark);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition);
  z-index: 0;
}
.service-card:hover::before { transform: scaleY(1); }
.service-card__icon, .service-card__title, .service-card__text { position: relative; z-index: 1; transition: color var(--transition); }
.service-card__icon { font-size: 1.5rem; color: var(--color-gold); margin-bottom: 20px; }
.service-card__title { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 400; color: var(--color-dark); margin-bottom: 12px; }
.service-card__text { font-size: .875rem; color: var(--color-text-light); line-height: 1.7; }
.service-card:hover .service-card__title { color: #fff; }
.service-card:hover .service-card__text { color: rgba(255,255,255,.65); }
.service-card:hover .service-card__icon { color: var(--color-gold); }

/* ══════════════════════════════
   TESTIMONIALS
══════════════════════════════ */
.testimonials { padding: 120px 0; background: #F3F0EB; overflow: hidden; }
.testimonials__track {
  display: flex;
  gap: 28px;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.testimonial-card {
  min-width: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}
.testimonial-card__stars { color: var(--color-gold); margin-bottom: 24px; display: flex; gap: 4px; }
.testimonial-card__text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-dark);
  font-style: italic;
  margin-bottom: 32px;
  max-width: 680px;
}
.testimonial-card__author { display: flex; align-items: center; gap: 16px; }
.testimonial-card__avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  flex-shrink: 0;
}
.testimonial-card__author strong { font-size: .875rem; color: var(--color-dark); display: block; }
.testimonial-card__author span { font-size: .8rem; color: var(--color-text-light); }
.testimonials__dots { display: flex; gap: 10px; justify-content: center; margin-top: 40px; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.dot--active { background: var(--color-gold); transform: scale(1.3); }

/* ══════════════════════════════
   CONTACT
══════════════════════════════ */
.contact { padding: 120px 0; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact__desc { font-size: .9375rem; color: var(--color-text-light); line-height: 1.8; margin: 20px 0 32px; }
.contact__links { display: flex; flex-direction: column; gap: 16px; }
.contact__link {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .9rem;
  color: var(--color-text);
  transition: color var(--transition);
}
.contact__link i { width: 20px; color: var(--color-gold); flex-shrink: 0; }
.contact__link:hover { color: var(--color-dark); }
.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-size: .8rem; font-weight: 500; color: var(--color-text); letter-spacing: .04em; }
.form-input {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--color-dark);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(197,164,104,.15);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: .8rem; color: var(--color-text-light); display: flex; align-items: center; gap: 8px; }
.form-note i { color: #25D366; }

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
.footer { background: var(--color-dark-2); padding: 80px 0 0; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand .navbar__logo-text { color: #fff; font-size: 1.25rem; display: block; }
.footer__brand .navbar__logo-sub { color: rgba(255,255,255,.4); display: block; margin-bottom: 16px; }
.footer__tagline { font-size: .875rem; color: rgba(255,255,255,.4); line-height: 1.6; max-width: 220px; }
.footer__links { display: flex; flex-direction: column; gap: 12px; }
.footer__links h4 { font-size: .75rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.35); margin-bottom: 4px; }
.footer__links a { font-size: .875rem; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer__links a:hover { color: var(--color-gold); }
.footer__social h4 { font-size: .75rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.35); margin-bottom: 16px; }
.footer__social-icons { display: flex; gap: 14px; }
.footer__social-icons a {
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.55);
  font-size: .9rem;
  transition: var(--transition);
}
.footer__social-icons a:hover { border-color: var(--color-gold); color: var(--color-gold); }
.footer__bottom { padding: 24px 32px; text-align: center; }
.footer__bottom p { font-size: .8rem; color: rgba(255,255,255,.28); }

/* ══════════════════════════════
   WHATSAPP FLOAT
══════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 56px; height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  z-index: 99;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,.5);
}

/* ══════════════════════════════
   ANIMATIONS — CSS reveal
   (triggered by IntersectionObserver adding .is-visible)
══════════════════════════════ */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
  will-change: opacity, transform;
}
[data-animate].is-visible {
  opacity: 1;
  transform: none;
}
/* Stagger for siblings inside same parent */
[data-animate]:nth-child(2) { transition-delay: .08s; }
[data-animate]:nth-child(3) { transition-delay: .16s; }
[data-animate]:nth-child(4) { transition-delay: .24s; }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar__nav { display: none; }
  .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(249,247,244,.98);
    backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 99;
  }
  .navbar.scrolled .navbar__nav.open .navbar__link,
  .navbar__nav.open .navbar__link { color: var(--color-dark); font-size: 1.5rem; }
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .properties__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(2) { border-right: none; }
  .stats__item { border-bottom: 1px solid rgba(255,255,255,.08); }
  .stats__item:nth-child(3), .stats__item:nth-child(4) { border-bottom: none; }
  .hero__scroll { display: none; }
  .about__badge { right: 0; bottom: -16px; }

  /* Footer tablet/mobile optimization */
  .footer { padding: 60px 0 0; }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
    padding-bottom: 48px;
  }
  .footer__brand { grid-column: 1 / -1; }
  .footer__tagline { max-width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .services__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  /* Footer small mobile optimization */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 36px;
    text-align: center;
  }
  .footer__social { display: flex; flex-direction: column; align-items: center; }
  .footer__bottom { padding: 28px 20px 36px; }
}