/* ========================================
   The Skin Lab - Main Stylesheet
   Palette: nude, pastel, elegant
   ======================================== */

:root {
  --primary: #c9a87c;
  --primary-light: #e8d5b7;
  --primary-dark: #a8845a;
  --accent: #e8bea5;
  --bg: #faf8f5;
  --bg-alt: #f3ede4;
  --text: #3d3d3d;
  --text-light: #7a7a7a;
  --white: #ffffff;
  --dark: #2c2c2c;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Montserrat", sans-serif;
  color: var(--dark);
  line-height: 1.3;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}
h3 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
}

a {
  text-decoration: none;
  color: var(--primary-dark);
  transition: var(--transition);
}
a:hover {
  color: var(--primary);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  border-radius: 50px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-outline:hover {
  background: var(--primary-dark);
  color: var(--white);
}
.btn-white {
  background: var(--white);
  color: var(--primary-dark);
}
.btn-white:hover {
  background: var(--primary-light);
}

/* ---- Section spacing ---- */
.section {
  padding: 6rem 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-dark {
  background: var(--dark);
  color: var(--white);
}
.section-dark h2,
.section-dark h3 {
  color: var(--white);
}
.section-dark p {
  color: #c5c5c5;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}
.section-header .subtitle {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 0.8rem;
}
.section-header h2 {
  margin-bottom: 1rem;
}
.section-header p {
  color: var(--text-light);
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  padding: 0.7rem 0;
  box-shadow: var(--shadow);
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar-brand {
  font-family: "Montserrat", sans-serif;
  font-size: 1.6rem;
  color: var(--white);
  font-weight: 700;
  letter-spacing: 1px;
}
.navbar.scrolled .navbar-brand {
  color: var(--dark);
}
/* Navbar on light hero */
.navbar.on-light .navbar-brand {
  color: var(--dark);
}
.navbar.on-light .nav-links a {
  color: var(--text);
}
.navbar.on-light .nav-links a:hover {
  color: var(--primary-dark);
}
.navbar.on-light .hamburger span {
  background: var(--dark);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.navbar.scrolled .nav-links a {
  color: var(--text);
}
.navbar.scrolled .nav-links a:hover {
  color: var(--primary-dark);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}
.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}
.navbar.scrolled .hamburger span {
  background: var(--dark);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(44, 44, 44, 0.55), rgba(44, 44, 44, 0.35)),
    url("../img/hero.jpg") center/cover no-repeat;
}
.hero-content {
  max-width: 750px;
  padding: 0 1.5rem;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 1.2rem;
  font-weight: 700;
}
.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== HERO SPLIT (v2) ========== */
.hero-split {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  background: var(--bg);
  padding-top: 80px;
}
.hero-split-content {
  padding: 4rem 3rem 4rem 6rem;
}
.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--primary);
  border: 1px solid var(--primary-light);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}
.hero-split-content h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--dark);
  margin-bottom: 1.2rem;
  line-height: 1.15;
}
.hero-split-content p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
  max-width: 500px;
}
.hero-split-content .hero-buttons {
  justify-content: flex-start;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #e8e0d5;
}
.stat {
  text-align: center;
}
.stat-number {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero-split-image {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.hero-img-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-img-accent {
  position: absolute;
  bottom: 0;
  left: -40px;
  width: 80px;
  height: 40%;
  background: var(--primary-light);
  opacity: 0.4;
  border-radius: 40px 40px 0 0;
}

@media (max-width: 992px) {
  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-split-content {
    padding: 6rem 2rem 3rem;
    text-align: center;
  }
  .hero-split-content .hero-buttons {
    justify-content: center;
  }
  .hero-split-content p {
    max-width: 100%;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-split-image {
    height: 50vh;
  }
  .hero-img-accent {
    display: none;
  }
}
@media (max-width: 600px) {
  .hero-split-content {
    padding: 5rem 1.5rem 2rem;
  }
  .hero-stats {
    gap: 1.5rem;
  }
}

/* ========== ABOUT / PHILOSOPHY ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.about-img img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: center 20%;
}
.about-img::after {
  content: "";
  position: absolute;
  top: -15px;
  left: -15px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary-light);
  border-radius: var(--radius);
  z-index: -1;
}
.about-text h2 {
  margin-bottom: 1.5rem;
}
.about-text p {
  color: var(--text-light);
  margin-bottom: 1rem;
}
.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.value-item {
  padding: 1.2rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.value-item .icon {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.value-item h4 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
}
.value-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
}

/* ========== SERVICES ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}
.service-card .card-img {
  height: 280px;
  overflow: hidden;
}
.service-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: var(--transition);
}
.service-card:hover .card-img img {
  transform: scale(1.05);
}
.service-card .card-body {
  padding: 1.8rem;
}
.service-card h3 {
  margin-bottom: 0.6rem;
}
.service-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ========== EXPERIENCE / CTA ========== */
.experience {
  position: relative;
  padding: 7rem 0;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(44, 44, 44, 0.7), rgba(44, 44, 44, 0.5)),
    url("../img/experience.jpg") center/auto 100% no-repeat fixed;
  color: var(--white);
}
.experience h2 {
  color: var(--white);
  margin-bottom: 1rem;
}
.experience p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

/* ========== PROCESS ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.step {
  padding: 2rem 1.5rem;
}
.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: "Montserrat", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
}
.step h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}
.step p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ========== TESTIMONIALS ========== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.testimonial {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
.testimonial::before {
  content: '"';
  font-family: "Montserrat", sans-serif;
  font-size: 4rem;
  color: var(--primary-light);
  position: absolute;
  top: 10px;
  left: 20px;
  line-height: 1;
}
.testimonial p {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 1.2rem;
  padding-top: 1.5rem;
}
.testimonial .author {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.9rem;
}
.testimonial .stars {
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.contact-info h3 {
  margin-bottom: 1.5rem;
}
.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}
.contact-item .icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-dark);
  font-size: 1rem;
}
.contact-item h4 {
  font-size: 0.95rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.contact-item p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin: 0;
}
.contact-item a {
  color: var(--text-light);
}
.contact-item a:hover {
  color: var(--primary-dark);
}

.contact-form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form h3 {
  margin-bottom: 1.5rem;
}
.form-group {
  margin-bottom: 1.2rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #e0d8cf;
  border-radius: 8px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  background: var(--bg);
  transition: var(--transition);
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 168, 124, 0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}
.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  font-size: 1.1rem;
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--accent);
  color: var(--white);
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 750px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid #e8e0d5;
}
.faq-question {
  width: 100%;
  padding: 1.3rem 0;
  background: none;
  border: none;
  font-family: "Montserrat", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--primary);
  transition: var(--transition);
}
.faq-item.active .faq-question::after {
  content: "−";
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer p {
  padding: 0 0 1.3rem;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--dark);
  color: #aaa;
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer h4 {
  color: var(--white);
  font-family: "Montserrat", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.footer p {
  font-size: 0.9rem;
  line-height: 1.7;
}
.footer-brand {
  font-family: "Montserrat", sans-serif;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 1rem;
  display: block;
}
.footer ul {
  list-style: none;
}
.footer ul li {
  margin-bottom: 0.6rem;
}
.footer ul a {
  color: #aaa;
  font-size: 0.9rem;
}
.footer ul a:hover {
  color: var(--primary-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p {
  font-size: 0.85rem;
  margin: 0;
}
.footer-bottom a {
  color: var(--primary-light);
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 999;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  opacity: 0;
}
.whatsapp-float:hover {
  transform: scale(1.1);
}
.whatsapp-float img {
  width: 28px;
  height: 28px;
  filter: brightness(0) invert(1);
}

/* ========== BREADCRUMB ========== */
.breadcrumb-hero {
  padding: 10rem 0 4rem;
  text-align: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(44, 44, 44, 0.6), rgba(44, 44, 44, 0.4)),
    url("../img/header.jpg") center 35% / cover no-repeat;
}
.breadcrumb-hero h1 {
  color: var(--white);
  margin-bottom: 0.5rem;
}
.breadcrumb-hero p {
  color: rgba(255, 255, 255, 0.8);
}

/* ========== MOBILE MENU ========== */
.mobile-menu {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100vh;
  background: linear-gradient(180deg, #1a1a1a 0%, #111 60%, #1c1510 100%);
  z-index: 2000; padding: 5rem 2.5rem 2rem;
  transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  overflow: hidden;
  border-left: 1px solid rgba(201,168,124,0.1);
}
.mobile-menu.open { right: 0; }
.mobile-menu::before {
  content: ''; position: absolute; bottom: -30%; left: -30%;
  width: 80%; height: 60%; border-radius: 50%;
  background: radial-gradient(circle, rgba(232,190,165,0.07), transparent 70%);
  pointer-events: none;
}
.mobile-menu::after {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
}
.mobile-menu .close-menu {
  position: absolute; top: 1.2rem; right: 1.2rem;
  background: none; border: 1px solid rgba(255,255,255,0.12);
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; cursor: pointer; color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.mobile-menu .close-menu:hover { border-color: var(--accent); color: var(--accent); }
.mobile-menu ul { list-style: none; }
.mobile-menu ul li { border-bottom: 1px solid rgba(255,255,255,0.05); }
.mobile-menu ul a {
  display: block; font-size: 1rem; color: rgba(255,255,255,0.7);
  font-weight: 500; text-transform: uppercase; letter-spacing: 2px;
  padding: 1rem 0; position: relative; transition: var(--transition);
  padding-left: 0;
}
.mobile-menu ul a::before {
  content: ''; position: absolute; left: -2.5rem; top: 50%; width: 0; height: 1px;
  background: var(--accent); transition: all 0.3s ease; transform: translateY(-50%);
}
.mobile-menu ul a:hover { color: #fff; padding-left: 1rem; }
.mobile-menu ul a:hover::before { width: 1.5rem; left: -1.8rem; }
.mobile-menu ul li .btn {
  font-size: 0.8rem; margin-top: 1rem; letter-spacing: 2px; text-align: center;
  border-color: var(--accent); background: var(--accent); color: #fff;
  display: block;
}
.mobile-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); z-index: 1999; display: none;
  backdrop-filter: blur(3px);
}
.mobile-overlay.show { display: block; }

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 4rem 0;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .about-values {
    grid-template-columns: 1fr;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .about-img img {
    height: 350px;
    object-position: center top;
  }
}