/* ============================================
   STUDIO LUZI SANTANA — CSS PRINCIPAL
   Designer de Unhas & Sobrancelhas
   Paleta: Rosa Dourado / Charcoal Escuro
   ============================================ */

/* ── CSS Custom Properties ── */
:root {
  --rose: #c9a0a0;
  --rose-light: #e8b4b8;
  --rose-mid: #d4a4a4;
  --rose-pale: #f0d4d8;
  --gold: #c9a47c;
  --gold-light: #dfc5a8;

  --bg-dark: #1a1a1a;
  --bg-mid: #222222;
  --bg-card: #2d2d2d;
  --bg-alt: #1e1e1e;

  --text-main: #e8e4e2;
  --text-muted: #9a9a9a;
  --text-white: #ffffff;

  --whatsapp: #25D366;
  --whatsapp-hover: #1ebe5a;

  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Montserrat', 'Helvetica Neue', sans-serif;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --container: 1180px;
  --header-h: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb {
  background: var(--rose);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--rose-light); }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-white);
}

p { font-weight: 300; }

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s var(--ease);
}

ul { list-style: none; }

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

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Keyframes ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(50px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

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

@keyframes pulseGlow {
  0%   { box-shadow: 0 0 0 0 rgba(201, 160, 160, 0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(201, 160, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 160, 160, 0); }
}

@keyframes scrollArrow {
  0%   { opacity: 0; transform: translateY(-8px); }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(8px); }
}

@keyframes preloaderFill {
  0%   { width: 0; }
  100% { width: 100%; }
}

@keyframes fadeOut {
  to { opacity: 0; visibility: hidden; }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(0.3); }
  50%  { opacity: 1; transform: scale(1.05); }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* ── Preloader ── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

.preloader-logo {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 300;
  color: var(--rose-light);
  letter-spacing: 8px;
  margin-bottom: 2rem;
}

.preloader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.preloader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rose), var(--rose-light));
  animation: preloaderFill 1.8s var(--ease) forwards;
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  transition: background 0.4s var(--ease), border-bottom 0.4s var(--ease), transform 0.4s var(--ease);
  background: transparent;
}

.header.scrolled {
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 160, 160, 0.15);
}

.header.header-hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo .logo-img {
  height: 50px;
  width: auto;
  border-radius: 4px;
}

/* Nav */
.nav .nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-main);
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--rose-light);
  transition: width 0.35s var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--rose-light);
}

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

.nav-link-cta {
  background: linear-gradient(135deg, var(--rose), var(--rose-mid));
  color: var(--bg-dark) !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 4px;
  font-weight: 600;
}

.nav-link-cta::after { display: none; }

.nav-link-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(201, 160, 160, 0.35);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ── Hero ── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 8s var(--ease);
}

body.loaded .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 26, 26, 0.50) 0%,
    rgba(26, 26, 26, 0.80) 35%,
    rgba(26, 26, 26, 0.88) 65%,
    rgba(26, 26, 26, 0.97) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--rose-light);
  border: 1px solid rgba(232, 180, 184, 0.3);
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s 0.3s var(--ease) both;
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 16px rgba(0,0,0,0.7);
  animation: fadeInUp 1s 0.6s var(--ease) both;
}

.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.8s 1s var(--ease) both;
}

.divider-line {
  width: 50px;
  height: 1px;
  background: var(--rose);
}

.divider-dot {
  width: 6px;
  height: 6px;
  background: var(--rose-light);
  border-radius: 50%;
}

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(232, 228, 226, 0.88);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
  animation: fadeInUp 0.8s 1.2s var(--ease) both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 1.5s var(--ease) both;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  opacity: 0;
  animation: fadeIn 0.6s 2.2s var(--ease) forwards;
}

.scroll-text {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.scroll-arrow {
  width: 1px;
  height: 30px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--rose);
  animation: scrollArrow 1.5s infinite;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 1rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--rose-mid), var(--rose));
  color: var(--bg-dark);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(201, 160, 160, 0.4);
}

.btn-glow {
  animation: pulseGlow 3s infinite;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.6s var(--ease);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(232, 180, 184, 0.3);
}

.btn-outline:hover {
  border-color: var(--rose-light);
  color: var(--rose-light);
  transform: translateY(-3px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--text-white);
  font-size: 0.9rem;
  padding: 1.1rem 2.8rem;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp::before { display: none; }

.btn-lg {
  padding: 1.2rem 3rem;
  font-size: 0.95rem;
}

/* ── Section Styles ── */
.section {
  padding: 6rem 0;
}

.section-dark {
  background: var(--bg-dark);
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--rose-light);
  margin-bottom: 1.2rem;
}

.section-tag-light {
  color: var(--rose-pale);
}

.section-title {
  font-size: 2.8rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

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

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

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ── Pain Section ── */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.pain-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.pain-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--rose-light), var(--rose));
}

.pain-card-icon {
  color: var(--rose-light);
  margin-bottom: 1.2rem;
  margin-left: 0.5rem;
}

.pain-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--text-white);
}

.pain-card-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.pain-cta {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.pain-cta-text {
  font-size: 1.1rem;
  color: var(--text-main);
  font-style: italic;
  font-family: var(--font-heading);
  line-height: 1.7;
}

.pain-cta-text strong {
  color: var(--rose-light);
  font-weight: 600;
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.04);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.service-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-mid);
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.service-card:hover .service-card-image img {
  transform: scale(1.08);
}

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(201, 160, 160, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.service-card:hover .service-card-overlay {
  opacity: 1;
}

.service-card-overlay-text {
  color: var(--text-white);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.6rem 1.5rem;
  border-radius: 3px;
}

.service-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.service-card-content {
  padding: 1.8rem;
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--rose-light);
}

.service-card-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--rose-light);
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}

.service-card-link:hover {
  gap: 12px;
  color: var(--rose-pale);
}

.service-card-link .arrow {
  font-size: 1.1rem;
  transition: transform 0.3s var(--ease);
}

.service-card-link:hover .arrow {
  transform: translateX(4px);
}

/* ── About ── */
.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-frame {
  position: relative;
  padding: 1.2rem;
}

.about-image-frame::before,
.about-image-frame::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border: 2px solid var(--rose);
  transition: all 0.4s var(--ease);
}

.about-image-frame::before {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}

.about-image-frame::after {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

.about-image:hover .about-image-frame::before,
.about-image:hover .about-image-frame::after {
  width: 100px;
  height: 100px;
}

.about-image-frame img {
  width: 100%;
  border-radius: 4px;
}

.about-image-decoration {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(201, 160, 160, 0.15);
  border-radius: 4px;
  z-index: -1;
}

.about-content .section-tag {
  display: block;
}

.about-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin: 2.5rem 0;
  padding: 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.stat-number {
  display: inline;
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--rose-light);
  line-height: 1;
}

.stat-plus {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--rose);
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ── Differentials ── */
.differentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.diff-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 6px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

.diff-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 160, 160, 0.2);
}

.diff-icon {
  color: var(--rose-light);
  margin-bottom: 1.5rem;
}

.diff-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--text-white);
}

.diff-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  cursor: pointer;
}

.portfolio-image {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--bg-card);
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-placeholder {
  aspect-ratio: 1/1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
  padding: 1rem;
}

/* ── Testimonials ── */
.testimonials-slider {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.testimonial-track {
  position: relative;
  min-height: 280px;
}

.testimonial-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}

.testimonial-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.testimonial-card {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.04);
  position: relative;
}

.testimonial-quote {
  font-family: var(--font-heading);
  font-size: 6rem;
  line-height: 0;
  color: rgba(201, 160, 160, 0.15);
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.testimonial-text {
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-main);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-family: var(--font-heading);
  font-weight: 400;
}

.testimonial-author-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--rose-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.testimonial-service {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.testimonial-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 2rem;
}

.testimonial-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(201, 160, 160, 0.2);
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  padding: 0;
}

.testimonial-dots .dot.active {
  background: var(--rose-light);
  transform: scale(1.3);
}

/* ── CTA Section ── */
.section-cta {
  position: relative;
  padding: 7rem 0;
  background: linear-gradient(135deg, rgba(201, 160, 160, 0.08), rgba(26, 26, 26, 0.95));
  overflow: hidden;
}

.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(201, 160, 160, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 3rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.cta-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.cta-subtext {
  margin-top: 1.2rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ── Footer ── */
.footer {
  background: #141414;
  padding-top: 0;
}

.footer-accent-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rose), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem 0 3rem;
}

.footer-logo-img {
  height: 50px;
  width: auto;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.footer-about {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--rose-light);
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.7rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.footer-links a:hover {
  color: var(--rose-light);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact svg {
  color: var(--rose);
  flex-shrink: 0;
}

.footer-social {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.3s var(--ease);
}

.social-link:hover {
  background: var(--rose);
  color: var(--bg-dark);
  transform: translateY(-4px);
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.04);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── WhatsApp Float ── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--whatsapp);
  color: var(--text-white);
  padding: 14px 22px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.5s var(--ease-bounce), opacity 0.5s var(--ease), box-shadow 0.3s var(--ease);
}

.whatsapp-float.visible {
  transform: translateY(0);
  opacity: 1;
}

.whatsapp-float:hover {
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
  transform: translateY(-3px);
}

.whatsapp-float svg {
  flex-shrink: 0;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 2.5rem;
  cursor: pointer;
  transition: transform 0.3s var(--ease);
  line-height: 1;
}

.lightbox-close:hover {
  transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-white);
  cursor: pointer;
  padding: 1rem;
  transition: opacity 0.3s var(--ease);
  opacity: 0.6;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
}

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */

@media (max-width: 1200px) {
  .hero-title { font-size: 3.2rem; }
  .section-title { font-size: 2.4rem; }
  .cta-title { font-size: 2.6rem; }
}

@media (max-width: 992px) {
  .pain-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-wrapper { grid-template-columns: 1fr; gap: 3rem; }
  .about-wrapper .about-image { max-width: 450px; margin: 0 auto; }
  .about-content .section-title { text-align: center; }
  .about-content { text-align: center; }
  .about-stats { justify-content: center; }
  .differentials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.8rem; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--bg-dark);
    border-left: 1px solid rgba(201, 160, 160, 0.1);
    transition: right 0.4s var(--ease);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: -1;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
  }

  .nav.active::before {
    opacity: 1;
    pointer-events: auto;
  }

  .nav.active {
    right: 0;
  }

  .nav .nav-list {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .nav-link { font-size: 0.95rem; }

  .hero { min-height: 100svh; min-height: 100vh; }
  .hero-bg { background-attachment: scroll; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .hero-badge { font-size: 0.65rem; letter-spacing: 3px; padding: 0.4rem 1rem; }

  .section { padding: 4rem 0; }
  .section-title { font-size: 2rem; }
  .cta-title { font-size: 2rem; }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .differentials-grid { grid-template-columns: 1fr; }

  .about-stats { flex-direction: column; gap: 1.5rem; }

  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-social { justify-content: center; }
  .footer-contact { justify-content: center; }

  .whatsapp-float {
    padding: 12px 18px;
    font-size: 0.75rem;
    bottom: 20px;
    right: 16px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .hero-title { font-size: 1.9rem; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; text-align: center; justify-content: center; }
  .section-title { font-size: 1.7rem; }
  .cta-title { font-size: 1.7rem; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .testimonial-card { padding: 2rem 1.5rem; }

  .whatsapp-float .whatsapp-float-text { display: none; }
  .whatsapp-float {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    padding: 0;
    justify-content: center;
  }
}
