/* ============================================================
   LUC VEST — Premium Dress Rental Website
   Design System & Global Styles
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — Principal */
  --color-bg: #FDFBF7;
  --color-text: #1A1A1A;
  --color-accent: #C9A96E;

  /* Colors — Secondary */
  --color-blush: #F5E6E0;
  --color-gray: #8C8378;
  --color-white: #FFFFFF;

  /* Colors — CTA */
  --color-whatsapp: #25D366;
  --color-cta: #1A1A1A;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-nav: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Lato', 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: 0.02em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
}

p {
  margin-bottom: 1em;
  color: var(--color-gray);
}

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

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

.section-subtitle {
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  margin-bottom: 20px;
}

.section-description {
  max-width: 600px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 1.05rem;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

section {
  padding: var(--section-padding);
}

.text-center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 16px 36px;
  border-radius: 2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-cta);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.7rem;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-accent:hover {
  background-color: #b8963d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,169,110,0.3);
}

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

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

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.btn-whatsapp:hover {
  background-color: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.3);
}

.btn svg,
.btn i {
  width: 18px;
  height: 18px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-fast);
  padding: 20px 0;
}

.site-header.scrolled {
  background-color: rgba(253, 251, 247, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.logo a {
  display: inline-block;
  position: relative;
}

.logo-img {
  height: 55px;
  width: auto;
  transition: opacity var(--transition-fast);
}

/* Two logo images: .logo-white shown on transparent header, .logo-dark on scrolled */
.logo-img.logo-dark {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.site-header.scrolled .logo-img.logo-white {
  opacity: 0;
}

.site-header.scrolled .logo-img.logo-dark {
  opacity: 1;
}

/* Main Navigation */
.main-nav ul {
  display: flex;
  gap: 36px;
}

.main-nav a {
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-smooth);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.site-header.scrolled .main-nav a {
  color: var(--color-text);
}

/* Header CTA */
.header-cta .btn {
  padding: 10px 24px;
  font-size: 0.7rem;
}

/* Nav mobile CTA - hidden on desktop */
.nav-mobile-cta {
  display: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 1.5px;
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

.site-header.scrolled .menu-toggle span {
  background-color: var(--color-text);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 4px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -4px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-text);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img,
.hero-bg .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26,26,26,0.5) 0%,
    rgba(26,26,26,0.35) 50%,
    rgba(26,26,26,0.6) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-content h1 {
  color: var(--color-white);
  font-size: clamp(2.8rem, 6vw, 5rem);
  margin-bottom: 20px;
  font-style: italic;
}

.hero-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
}

.hero-subtitle {
  color: var(--color-accent);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons {
  margin-top: 8px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-nav);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Category Hero (Internal Pages) ---------- */
.category-hero {
  position: relative;
  height: 55vh;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-text);
}

.category-hero .hero-overlay {
  background: linear-gradient(
    180deg,
    rgba(26,26,26,0.4) 0%,
    rgba(26,26,26,0.55) 100%
  );
}

.category-hero .hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-style: italic;
}

.category-hero .hero-content p {
  font-size: 1rem;
}

/* ---------- About / Quem Somos Section ---------- */
.about-section {
  background-color: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-image::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 1.5px solid var(--color-accent);
  border-radius: 4px;
  z-index: -1;
}

.about-text h2 {
  margin-bottom: 24px;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-text .about-cta {
  margin-top: 24px;
}

/* ---------- How It Works (Como Alugar) ---------- */
.how-it-works {
  background-color: var(--color-blush);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 60px;
}

.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}

.step-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
}

.step-item h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.step-item p {
  font-size: 0.95rem;
  color: var(--color-gray);
}

/* Connector line between steps */
.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 85px;
  right: -20px;
  width: 40px;
  height: 1px;
  background-color: var(--color-accent);
  opacity: 0.4;
}

/* ---------- Categories Section ---------- */
.categories-section {
  background-color: var(--color-bg);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.category-card {
  position: relative;
  height: 480px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.category-card:hover img {
  transform: scale(1.05);
}

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 40%,
    rgba(26,26,26,0.7) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
  transition: background var(--transition-smooth);
}

.category-card:hover .category-card-overlay {
  background: linear-gradient(
    180deg,
    transparent 20%,
    rgba(26,26,26,0.8) 100%
  );
}

.category-card h3 {
  color: var(--color-white);
  font-size: 1.6rem;
  font-style: italic;
  margin-bottom: 8px;
}

.category-card p {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.category-card .btn {
  align-self: flex-start;
  padding: 10px 24px;
  font-size: 0.7rem;
}

/* ---------- Instagram Gallery ---------- */
.instagram-section {
  background-color: var(--color-white);
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 50px;
}

.instagram-grid .insta-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 4px;
  background-color: var(--color-blush);
}

.instagram-grid .insta-item iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.instagram-grid .insta-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.instagram-grid .insta-item:hover img {
  transform: scale(1.05);
}

.insta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.insta-item:hover .insta-overlay {
  opacity: 1;
}

.insta-overlay svg {
  width: 32px;
  height: 32px;
  color: var(--color-white);
}

.instagram-follow {
  text-align: center;
  margin-top: 40px;
}

.instagram-follow a {
  font-family: var(--font-nav);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.instagram-follow a:hover {
  color: var(--color-text);
}

/* ---------- Instagram Embeds (Category Pages) ---------- */
.embed-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.embed-gallery .embed-item {
  background: var(--color-white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.embed-gallery .embed-item iframe {
  width: 100%;
  min-height: 480px;
  border: none;
}

/* ---------- Testimonial / Quote ---------- */
.testimonial-section {
  background-color: var(--color-blush);
  text-align: center;
}

.testimonial-section blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-style: italic;
  color: var(--color-text);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.5;
}

.testimonial-section blockquote::before {
  content: '\201C';
  display: block;
  font-size: 5rem;
  color: var(--color-accent);
  line-height: 0.5;
  margin-bottom: 20px;
}

.testimonial-section blockquote cite {
  display: block;
  margin-top: 24px;
  font-family: var(--font-nav);
  font-size: 0.85rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
}

/* ---------- CTA Section (Final) ---------- */
.cta-section {
  background-color: var(--color-text);
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn {
  margin: 0 8px;
}

/* ---------- Features / Values (3 Columns) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.feature-item {
  text-align: center;
  padding: 40px 24px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
}

.feature-item h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.feature-item p {
  font-size: 0.95rem;
}

/* ---------- Services List (Quem Somos) ---------- */
.services-section {
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
  margin-top: 40px;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(201,169,110,0.2);
}

.service-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-item span {
  font-size: 1rem;
  color: var(--color-gray);
}

/* ---------- Contact / Fale Conosco ---------- */
.contact-section {
  background-color: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-detail svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-detail p {
  font-size: 0.95rem;
  color: var(--color-gray);
}

.contact-detail a {
  color: var(--color-accent);
}

.contact-detail a:hover {
  color: var(--color-text);
}

.contact-map {
  margin-top: 32px;
  border-radius: 4px;
  overflow: hidden;
  height: 250px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Contact Form */
.contact-form {
  background: var(--color-white);
  padding: 40px;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form h3 {
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid rgba(140,131,120,0.25);
  border-radius: 2px;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
}

.footer-brand .logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: var(--color-white);
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
  fill: rgba(255,255,255,0.7);
}

.footer-social a:hover svg {
  fill: var(--color-white);
}

.footer-bottom {
  margin-top: 50px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ---------- WhatsApp Floating Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  z-index: 999;
  transition: all var(--transition-fast);
  animation: whatsappPulse 2.5s ease infinite;
}

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

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}

.whatsapp-float .tooltip {
  position: absolute;
  right: 72px;
  background: var(--color-white);
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float:hover .tooltip {
  opacity: 1;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.35); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.55); }
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 44px;
  height: 44px;
  background-color: var(--color-white);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.scroll-top svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text);
  stroke-width: 2;
  fill: none;
}

.scroll-top:hover svg {
  stroke: var(--color-white);
}

/* ---------- Animations (IntersectionObserver) ---------- */
/* Start hidden only when JS is available (html.js-ready class added by script) */
html.js-ready [data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html.js-ready [data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for data-animate-delay */
html.js-ready [data-animate-delay="1"] { transition-delay: 0.1s; }
html.js-ready [data-animate-delay="2"] { transition-delay: 0.2s; }
html.js-ready [data-animate-delay="3"] { transition-delay: 0.3s; }
html.js-ready [data-animate-delay="4"] { transition-delay: 0.4s; }

[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.4s; }

/* ---------- Page-specific backgrounds ---------- */
.bg-white { background-color: var(--color-white); }
.bg-blush { background-color: var(--color-blush); }
.bg-default { background-color: var(--color-bg); }

/* ---------- Divider ---------- */
.section-divider {
  width: 60px;
  height: 1px;
  background-color: var(--color-accent);
  margin: 0 auto 30px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .header-cta { display: none; }

  .menu-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 380px;
    height: 100vh;
    background-color: var(--color-text);
    padding: 100px 40px 40px;
    transition: right var(--transition-smooth);
    z-index: 1000;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    color: rgba(255,255,255,0.8);
    display: block;
    padding: 16px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .main-nav a:hover {
    color: var(--color-accent);
  }

  /* Nav mobile CTA (hidden on desktop, visible in mobile nav) */
  .nav-mobile-cta {
    display: block;
    margin-top: 32px;
  }

  .nav-mobile-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
  }

  .mobile-overlay.active {
    display: block;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image::after { display: none; }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 30px;
  }

  .step-item:not(:last-child)::after { display: none; }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  body { font-size: 16px; }

  .hero { min-height: 550px; }

  .hero-content h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .category-hero { min-height: 320px; height: 45vh; }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .category-card { height: 350px; }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .embed-gallery {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-form { padding: 28px 20px; }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom { font-size: 0.75rem; }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }

  .whatsapp-float svg { width: 26px; height: 26px; }

  .whatsapp-float .tooltip { display: none; }

  .scroll-top {
    bottom: 20px;
    left: 20px;
    width: 38px;
    height: 38px;
  }
}

/* Small mobile */
@media (max-width: 400px) {
  .hero-content h1 { font-size: 1.9rem; }
  .btn { padding: 14px 28px; font-size: 0.75rem; }
}

/* ---------- Print ---------- */
@media print {
  .site-header,
  .whatsapp-float,
  .scroll-top,
  .scroll-indicator { display: none; }

  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  section { padding: 20px 0; }
}