/* ============================================
   Heal1 Pharmacy - World Class Pharmacy Website
   Lightweight, Fast, SEO Optimized
   ============================================ */

/* CSS Variables */
:root {
  --primary: #177CA0;
  --primary-dark: #115d78;
  --primary-light: #e6f3f8;
  --secondary: #FF4D04;
  --accent: #FF4D04;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-500: #6c757d;
  --gray-700: #495057;
  --gray-900: #212529;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============ HEADER / NAVIGATION ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.nav__logo img {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

.nav__logo span {
  color: var(--gray-900);
  font-weight: 400;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav__link:hover, .nav__link.active {
  color: var(--primary);
}

.nav__link:hover::after, .nav__link.active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: var(--white);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(37,211,102,0.3);
  transition: var(--transition);
}

.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}

.nav__cta svg {
  width: 18px;
  height: 18px;
}

/* Mobile Menu */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav__toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--gray-900);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============ HERO SECTION ============ */
.hero {
  padding: 90px 0 40px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 50%, #f0f7ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(23,124,160,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}

.hero__badge svg {
  width: 16px;
  height: 16px;
}

.hero__title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.hero__title span {
  color: var(--primary);
  position: relative;
}

.hero__subtitle {
  font-size: 1rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  max-width: 500px;
  line-height: 1.6;
}

/* Hero Service Tags */
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.hero__tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--white);
  transition: var(--transition);
}

.hero__tag:hover {
  background: var(--primary);
  color: var(--white);
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}

.btn--primary {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37,211,102,0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37,211,102,0.4);
}

.btn--accent {
  background: var(--secondary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255,77,4,0.3);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,77,4,0.4);
}

.btn--outline {
  border: 2px solid var(--gray-300);
  color: var(--gray-700);
  background: var(--white);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn svg {
  width: 20px;
  height: 20px;
}

.hero__image {
  position: relative;
}

.hero__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
}

.hero__stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ============ SERVICES SECTION ============ */
.services {
  padding: 48px 0;
}

.section__header {
  text-align: center;
  margin-bottom: 32px;
}

.section__tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section__title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.section__desc {
  font-size: 0.95rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

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

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--gray-900);
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============ WHY CHOOSE US ============ */
.why-us {
  padding: 48px 0;
  background: var(--gray-50);
}

.why-us .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.why-us__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.why-us__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.why-us__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-us__item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-us__item-icon svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.why-us__item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.why-us__item p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* ============ PRODUCTS SECTION ============ */
.products {
  padding: 48px 0;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card__icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 2rem;
}

.product-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.product-card__desc {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ============ CTA / ORDER SECTION ============ */
.cta {
  padding: 48px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.cta__title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.cta__desc {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta .btn--whatsapp {
  background: #25D366;
  color: var(--white);
  padding: 16px 40px;
  font-size: 1.1rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  position: relative;
  z-index: 1;
}

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

/* ============ TESTIMONIALS ============ */
.testimonials {
  padding: 48px 0;
  background: var(--gray-50);
}

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

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.testimonial-card__stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}

.testimonial-card__name {
  font-weight: 700;
  font-size: 0.95rem;
}

.testimonial-card__location {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ============ AREAS WE SERVE ============ */
.areas {
  padding: 48px 0;
}

.areas__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}

.area-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
}

.area-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.area-tag svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 48px 0 20px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  color: var(--gray-500);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer__social a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

.footer__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.footer__links a:hover {
  color: var(--secondary);
}

.footer__contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer__contact-item svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--accent);
  margin-top: 3px;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ============ WHATSAPP FLOATING BUTTON ============ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float__btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37,211,102,0.5);
}

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

.whatsapp-float__label {
  background: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-900);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  animation: fadeInRight 0.5s ease;
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 20px rgba(37,211,102,0.6), 0 0 0 10px rgba(37,211,102,0.1); }
  100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============ ABOUT PAGE ============ */
.page-hero {
  padding: 90px 0 40px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
  text-align: center;
}

.page-hero__title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.page-hero__breadcrumb {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.page-hero__breadcrumb a {
  color: var(--primary);
}

.about-content {
  padding: 48px 0;
}

.about-content .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-content__text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.about-content__text p {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 16px;
}

.values {
  padding: 40px 0 48px;
  background: var(--gray-50);
}

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

.value-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.value-card__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.value-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* ============ CONTACT PAGE ============ */
.contact-section {
  padding: 48px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info__card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: var(--transition);
}

.contact-info__card:hover {
  background: var(--primary-light);
}

.contact-info__card-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.contact-info__card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.contact-info__card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info__card p {
  font-size: 0.88rem;
  color: var(--gray-500);
}

.contact-info__card a {
  color: var(--primary);
  font-weight: 600;
}

.contact-form {
  background: var(--gray-50);
  padding: 40px;
  border-radius: var(--radius-md);
}

.contact-form h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.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(13,110,63,0.1);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.contact-map {
  margin-top: 48px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.contact-map iframe {
  width: 100%;
  height: 350px;
  border: none;
}

/* ============ BLOG PAGE ============ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 48px 0;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--gray-100);
}

.blog-card__body {
  padding: 24px;
}

.blog-card__tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.blog-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card__excerpt {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card__meta {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ============ SCROLL TO TOP ============ */
.scroll-top {
  position: fixed;
  bottom: 96px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 998;
}

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

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

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero__subtitle { margin: 0 auto 32px; }
  .hero__actions { justify-content: center; }
  .hero__image { max-width: 500px; margin: 0 auto; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .why-us .container { grid-template-columns: 1fr; }
  .why-us__image { max-width: 500px; margin: 0 auto; }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .about-content .container { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: var(--transition);
    z-index: 999;
  }
  .nav__links.active { transform: translateY(0); }
  .nav__toggle { display: flex; }
  .hero { padding: 80px 0 32px; }
  .hero__title { font-size: 1.8rem; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero__stat-number { font-size: 1.5rem; }
  .section__title { font-size: 1.5rem; }
  .services__grid { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: 1fr; }
  .values__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .page-hero__title { font-size: 1.6rem; }
  .cta__title { font-size: 1.5rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .whatsapp-float__label { display: none; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.5rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__tag { font-size: 0.72rem; padding: 4px 10px; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); }
  .hero__stat-number { font-size: 1.3rem; }
  .hero__stat-label { font-size: 0.75rem; }
  .products__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-card { padding: 16px; }
  .product-card__icon { width: 48px; height: 48px; font-size: 1.5rem; }
}