/*
Theme Name: Blossoming Rose
Theme URI: https://roseblossoming.com
Author: Blossoming Rose
Description: Elegant landing page theme for handmade linen curtains, inspired by roseblossoming.com
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: blossoming-rose
*/

/* ==============================================
   1. Design Tokens
   ============================================== */
:root {
  --rb-primary-dark: #1c1f1a;
  --rb-text-secondary: #4b5148;
  --rb-bg-cream: #f4f1ea;
  --rb-bg-light: #e8e4db;
  --rb-white: #ffffff;
  --rb-off-white: #fffdf7;
  --rb-accent-red: #8a1313;
  --rb-accent-red-hover: #a81e1e;
  --rb-accent-red-dark: #690f0f;
  --rb-light-pink: #f7e4e4;
  --rb-pink-muted: #d9b8b8;
  --rb-dark-olive: #1d2102;
  --rb-olive: #2a2d22;
  --rb-olive-mid: #3d4135;
  --rb-border-muted: #c9c4b5;
  --rb-border-light: #e0dcd0;
  --rb-accent-orange: #b85c3c;
  --rb-green-light: #d4e0bc;
  --rb-green-dark: #2a3b19;
  --rb-muted-text: #7a8077;
  --rb-black: #000000;
  --rb-shadow: 0 4px 24px rgba(0,0,0,0.08);
  --rb-shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --rb-font-heading: 'Playfair Display', Georgia, serif;
  --rb-font-body: 'Inter', -apple-system, sans-serif;
  --rb-font-alt: 'Manrope', sans-serif;
  --rb-section-py: 100px;
  --rb-container-max: 1140px;
  --rb-gap: 24px;
  --rb-radius: 12px;
  --rb-radius-sm: 8px;
  --rb-radius-lg: 20px;
  --rb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --rb-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==============================================
   2. Reset & Base
   ============================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  margin: 0; padding: 0;
  font-family: var(--rb-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--rb-text-secondary);
  background-color: var(--rb-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; transition: var(--rb-transition); }
ul { list-style: none; margin: 0; padding: 0; }
h1,h2,h3,h4,h5,h6 { margin: 0; font-family: var(--rb-font-heading); color: var(--rb-primary-dark); line-height: 1.2; }
p { margin: 0 0 16px; }
button { font-family: inherit; }

/* ==============================================
   3. Typography
   ============================================== */
h1 { font-size: 56px; font-weight: 700; line-height: 1.1; }
h2 { font-size: 44px; font-weight: 700; line-height: 1.2; }
h3 { font-size: 32px; font-weight: 600; line-height: 1.3; }
h4 { font-size: 20px; font-weight: 600; line-height: 1.4; }

/* ==============================================
   4. Layout
   ============================================== */
.rb-container {
  max-width: var(--rb-container-max);
  margin: 0 auto;
  padding: 0 20px;
}
.rb-section {
  padding: var(--rb-section-py) 0;
}
.rb-bg-light {
  background-color: var(--rb-bg-cream);
}
.rb-split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.rb-main { position: relative; }

/* ==============================================
   5. Buttons
   ============================================== */
.rb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  border-radius: var(--rb-radius-sm);
  font-family: var(--rb-font-alt);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--rb-transition);
  text-decoration: none;
  border: none;
  line-height: 1;
}
.rb-btn--primary {
  background-color: var(--rb-accent-red);
  color: var(--rb-white);
}
.rb-btn--primary:hover {
  background-color: var(--rb-accent-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(138,19,19,0.3);
}
.rb-btn--outline {
  background: transparent;
  border: 2px solid var(--rb-primary-dark);
  color: var(--rb-primary-dark);
}
.rb-btn--outline:hover {
  background: var(--rb-primary-dark);
  color: var(--rb-white);
}
.rb-btn--full {
  width: 100%;
  padding: 18px 36px;
  font-size: 16px;
}
.rb-btn--light {
  background: var(--rb-white);
  color: var(--rb-primary-dark);
}
.rb-btn--light:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

/* ==============================================
   6. Badge
   ============================================== */
.rb-badge {
  display: inline-block;
  font-family: var(--rb-font-alt);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--rb-accent-orange);
  margin-bottom: 20px;
  padding: 8px 16px;
  background-color: rgba(184,92,60,0.1);
  border-radius: 4px;
}

/* ==============================================
   7. Section Header
   ============================================== */
.rb-section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}
.rb-section-header h2 {
  font-size: 40px;
  margin-bottom: 16px;
}
.rb-section-header p {
  font-size: 16px;
  color: var(--rb-text-secondary);
  margin: 0;
}

/* ==============================================
   8. Header / Navigation
   ============================================== */
.rb-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--rb-transition);
}
.rb-header--scrolled {
  background: rgba(255,253,247,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  padding: 10px 0;
}
.rb-header__inner {
  max-width: var(--rb-container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.rb-header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
}
.rb-header__logo img {
  max-height: 40px;
  width: auto;
}
.rb-header__logo-text {
  font-family: var(--rb-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--rb-primary-dark);
  letter-spacing: 0.5px;
}
.rb-header__nav { display: flex; align-items: center; }
.rb-header__menu {
  display: flex;
  gap: 32px;
  align-items: center;
  list-style: none;
  margin: 0; padding: 0;
}
.rb-header__menu li a {
  font-family: var(--rb-font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--rb-text-secondary);
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: var(--rb-transition);
}
.rb-header__menu li a:hover,
.rb-header__menu li.current-menu-item a {
  color: var(--rb-primary-dark);
}

/* Mobile Toggle */
.rb-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.rb-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--rb-primary-dark);
  transition: var(--rb-transition);
}

/* Mobile Menu */
.rb-mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--rb-transition);
}
.rb-mobile-overlay--active {
  opacity: 1;
  visibility: visible;
}
.rb-mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: 300px;
  height: 100vh;
  background: var(--rb-off-white);
  transform: translateX(100%);
  transition: var(--rb-transition-slow);
  z-index: 1001;
  padding: 80px 30px 30px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.rb-mobile-menu--active {
  transform: translateX(0);
}
.rb-mobile-close {
  position: absolute;
  top: 20px; right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--rb-primary-dark);
  line-height: 1;
  padding: 8px;
}
.rb-mobile-menu__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.rb-mobile-menu__list li a {
  display: block;
  padding: 16px 0;
  font-family: var(--rb-font-alt);
  font-size: 16px;
  font-weight: 500;
  color: var(--rb-primary-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--rb-border-light);
  transition: var(--rb-transition);
}
.rb-mobile-menu__list li a:hover {
  color: var(--rb-accent-orange);
}

/* ==============================================
   9. Hero Section
   ============================================== */
.rb-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--rb-bg-cream);
  background-size: cover;
  background-position: center;
}
.rb-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(244,241,234,0.95) 0%,
    rgba(244,241,234,0.75) 45%,
    rgba(244,241,234,0.2) 100%
  );
  z-index: 1;
}
.rb-hero__content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 120px 0;
}
.rb-hero__title {
  font-size: 60px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--rb-primary-dark);
  margin-bottom: 24px;
}
.rb-hero__subtitle {
  font-size: 18px;
  color: var(--rb-text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}
.rb-hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
}
.rb-hero__scroll-indicator a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--rb-muted-text);
  text-decoration: none;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ==============================================
   10. Product Section
   ============================================== */
.rb-product-section {
  background-color: var(--rb-off-white);
}

/* Gallery */
.rb-product-gallery {
  position: sticky;
  top: 100px;
}
.rb-product-gallery__main {
  border-radius: var(--rb-radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  margin-bottom: 16px;
  background: var(--rb-bg-cream);
}
.rb-product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.rb-product-gallery__main:hover img {
  transform: scale(1.03);
}
.rb-product-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.rb-product-gallery__thumb {
  border-radius: var(--rb-radius-sm);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--rb-transition);
  background: var(--rb-bg-light);
}
.rb-product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rb-product-gallery__thumb:hover,
.rb-product-gallery__thumb.active {
  border-color: var(--rb-accent-orange);
}

/* Placeholder Images */
.rb-placeholder-image {
  background: linear-gradient(135deg, var(--rb-bg-cream), var(--rb-bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  border-radius: var(--rb-radius-lg);
  color: var(--rb-muted-text);
  font-size: 14px;
  text-align: center;
}
.rb-placeholder-thumb {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--rb-bg-cream), var(--rb-bg-light));
}

/* Product Info */
.rb-product-info {
  padding-top: 10px;
}
.rb-product-info__title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--rb-primary-dark);
}
.rb-product-info__rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--rb-muted-text);
}
.rb-product-info__rating svg {
  flex-shrink: 0;
}
.rb-product-info__pricing {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}
.rb-price {
  font-size: 32px;
  font-weight: 700;
  color: var(--rb-primary-dark);
  font-family: var(--rb-font-alt);
}
.rb-price-original {
  font-size: 18px;
  color: var(--rb-muted-text);
  text-decoration: line-through;
}
.rb-product-info__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--rb-text-secondary);
  margin-bottom: 32px;
}

/* Variants */
.rb-variants {
  margin-bottom: 32px;
}
.rb-variant {
  margin-bottom: 20px;
}
.rb-variant h4 {
  font-family: var(--rb-font-alt);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--rb-primary-dark);
  margin-bottom: 10px;
}
.rb-variant__options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.rb-variant__btn {
  padding: 10px 20px;
  border: 2px solid var(--rb-border-muted);
  border-radius: var(--rb-radius-sm);
  font-family: var(--rb-font-body);
  font-size: 14px;
  cursor: pointer;
  transition: var(--rb-transition);
  background: transparent;
  color: var(--rb-primary-dark);
}
.rb-variant__btn:hover {
  border-color: var(--rb-primary-dark);
}
.rb-variant__btn.active {
  background-color: var(--rb-primary-dark);
  color: var(--rb-white);
  border-color: var(--rb-primary-dark);
}

/* Product Features Checklist */
.rb-product-features {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.rb-product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rb-border-light);
  font-size: 14px;
  color: var(--rb-text-secondary);
}
.rb-product-features li:last-child {
  border-bottom: none;
}
.rb-product-features li svg {
  color: var(--rb-green-dark);
  flex-shrink: 0;
}

/* ==============================================
   11. Features Section
   ============================================== */
.rb-features-section {
  /* bg applied via .rb-bg-light */
}
.rb-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.rb-feature-card {
  text-align: center;
  padding: 40px 28px;
  background-color: var(--rb-off-white);
  border-radius: var(--rb-radius-lg);
  transition: var(--rb-transition);
}
.rb-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--rb-shadow-lg);
}
.rb-feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--rb-bg-cream);
  border-radius: 50%;
  color: var(--rb-accent-orange);
}
.rb-feature-card__icon svg {
  width: 32px;
  height: 32px;
}
.rb-feature-card h3 {
  font-family: var(--rb-font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--rb-primary-dark);
}
.rb-feature-card p {
  font-size: 14px;
  color: var(--rb-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ==============================================
   12. Story Section
   ============================================== */
.rb-story-section {
  background-color: var(--rb-off-white);
}
.rb-story-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--rb-radius-lg);
  aspect-ratio: 4/5;
}
.rb-story-section .rb-split-layout {
  align-items: center;
}
.rb-story-section .rb-split-layout__right {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.rb-story-section .rb-split-layout__right h2 {
  margin-bottom: 24px;
}
.rb-story-section .rb-split-layout__right p {
  line-height: 1.8;
  color: var(--rb-text-secondary);
}
.rb-signature {
  font-family: var(--rb-font-heading);
  font-style: italic;
  font-size: 20px;
  color: var(--rb-accent-orange);
  margin-top: 24px;
}

/* ==============================================
   13. Testimonials Section
   ============================================== */
.rb-testimonials-section {
  /* bg via .rb-bg-light */
}
.rb-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.rb-testimonial-card {
  background-color: var(--rb-off-white);
  padding: 36px 28px;
  border-radius: var(--rb-radius-lg);
  position: relative;
  transition: var(--rb-transition);
}
.rb-testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--rb-shadow);
}
.rb-testimonial-card__stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.rb-testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 16px;
}
.rb-testimonial-card__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--rb-text-secondary);
  margin-bottom: 24px;
  font-style: italic;
}
.rb-testimonial-card__role {
  font-size: 13px;
  color: var(--rb-muted-text);
}
.rb-testimonial-card h4 {
  font-size: 15px;
  margin: 0;
}
.rb-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--rb-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--rb-muted-text);
  font-family: var(--rb-font-alt);
  font-size: 18px;
  flex-shrink: 0;
}

/* ==============================================
   14. FAQs Section
   ============================================== */
.rb-faqs-section {
  background-color: var(--rb-off-white);
}
.rb-faqs-list {
  max-width: 800px;
  margin: 0 auto;
}
.rb-faq {
  border-bottom: 1px solid var(--rb-border-light);
}
.rb-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 0;
  cursor: pointer;
  font-family: var(--rb-font-heading);
  font-size: 18px;
  font-weight: 500;
  color: var(--rb-primary-dark);
  transition: var(--rb-transition);
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  line-height: 1.4;
}
.rb-faq__question:hover {
  color: var(--rb-accent-orange);
}
.rb-faq__icon {
  flex-shrink: 0;
  transition: transform 0.3s;
}
.rb-faq--active .rb-faq__icon {
  transform: rotate(45deg);
}
.rb-faq__answer {
  display: none;
  padding: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rb-text-secondary);
}
.rb-faq--active .rb-faq__answer {
  display: block;
}

/* ==============================================
   15. CTA Section
   ============================================== */
.rb-cta-section {
  background-color: var(--rb-dark-olive);
  color: var(--rb-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.rb-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.05) 0%, transparent 70%);
}
.rb-cta-section h2 {
  color: var(--rb-white);
  font-size: 44px;
  margin-bottom: 20px;
}
.rb-cta-section p {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ==============================================
   16. Footer
   ============================================== */
.rb-footer {
  background-color: var(--rb-olive);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 30px;
}
.rb-footer__inner {
  max-width: var(--rb-container-max);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
}
.rb-footer__title {
  font-family: var(--rb-font-alt);
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--rb-white);
  margin-bottom: 20px;
}
.rb-footer__brand .rb-footer__title {
  font-family: var(--rb-font-heading);
  font-size: 24px;
  text-transform: none;
  letter-spacing: 0;
}
.rb-footer__about {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.rb-footer__social {
  display: flex;
  gap: 12px;
}
.rb-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;
  color: var(--rb-white);
  transition: var(--rb-transition);
  text-decoration: none;
}
.rb-footer__social a:hover {
  background-color: var(--rb-white);
  color: var(--rb-olive);
}
.rb-footer__menu {
  list-style: none;
  margin: 0; padding: 0;
}
.rb-footer__menu li {
  margin-bottom: 12px;
}
.rb-footer__menu li a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: var(--rb-transition);
}
.rb-footer__menu li a:hover {
  color: var(--rb-white);
}
.rb-footer__contact {
  list-style: none;
  margin: 0; padding: 0;
}
.rb-footer__contact li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.rb-footer__contact li svg {
  flex-shrink: 0;
  opacity: 0.7;
}
.rb-footer__contact li a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: var(--rb-transition);
}
.rb-footer__contact li a:hover {
  color: var(--rb-white);
}
.rb-footer__bottom {
  max-width: var(--rb-container-max);
  margin: 60px auto 0;
  padding: 24px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 13px;
}
.rb-footer__bottom p { margin: 0; }

/* ==============================================
   17. Floating Elements
   ============================================== */
.rb-floating-whatsapp {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  color: var(--rb-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--rb-shadow-lg);
  transition: var(--rb-transition);
  text-decoration: none;
}
.rb-floating-whatsapp:hover {
  transform: scale(1.1);
}
.rb-scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--rb-off-white);
  color: var(--rb-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--rb-shadow);
  border: 1px solid var(--rb-border-light);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--rb-transition);
}
.rb-scroll-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.rb-scroll-top:hover {
  background-color: var(--rb-primary-dark);
  color: var(--rb-white);
}

/* ==============================================
   18. Utilities
   ============================================== */
.text-center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ==============================================
   19. Animations
   ============================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.rb-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.rb-animate--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================================
   20. Responsive
   ============================================== */
@media (max-width: 1199px) {
  h1, .rb-hero__title { font-size: 48px; }
  h2 { font-size: 36px; }
  .rb-section { padding: 80px 0; }
  .rb-split-layout { gap: 40px; }
  .rb-section-header h2 { font-size: 34px; }
}

@media (max-width: 809px) {
  /* Header */
  .rb-mobile-toggle { display: flex; }
  .rb-header__nav { display: none; }

  /* Layout */
  .rb-section { padding: 60px 0; }
  .rb-container { padding: 0 16px; }

  /* Hero */
  .rb-hero { min-height: 80vh; }
  .rb-hero__title { font-size: 36px; }
  .rb-hero__subtitle { font-size: 16px; }
  .rb-hero__content { max-width: 100%; padding: 100px 0 80px; }
  .rb-hero__overlay {
    background: rgba(244,241,234,0.9);
  }
  .rb-hero__scroll-indicator { display: none; }

  /* Product */
  .rb-split-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .rb-product-gallery { position: static; }
  .rb-product-info__title { font-size: 26px; }
  .rb-price { font-size: 28px; }

  /* Features */
  .rb-features-grid {
    grid-template-columns: 1fr;
  }
  .rb-feature-card { padding: 30px 24px; }

  /* Story */
  .rb-story-section .rb-split-layout__left { order: 1; }
  .rb-story-section .rb-split-layout__right { order: 2; }

  /* Testimonials */
  .rb-testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* FAQs */
  .rb-faq__question { font-size: 16px; padding: 20px 0; }

  /* CTA */
  .rb-cta-section h2 { font-size: 28px; }
  .rb-cta-section p { font-size: 15px; }

  /* Footer */
  .rb-footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .rb-footer { padding: 60px 0 24px; }
  .rb-footer__bottom { margin-top: 32px; }

  /* Floating */
  .rb-floating-whatsapp {
    width: 48px; height: 48px;
    bottom: 72px; right: 16px;
  }
  .rb-scroll-top {
    width: 48px; height: 48px;
    bottom: 16px; right: 16px;
  }

  /* Section headers */
  .rb-section-header h2 { font-size: 28px; }
  .rb-section-header { margin-bottom: 40px; }

  /* Buttons */
  .rb-btn { padding: 14px 28px; font-size: 14px; }
}