@charset "UTF-8";
/*!
 * Oxygen Drops Plus - Proposal 2 (Light Blue & Vibrant Green Theme)
 * Ultra Responsive Design for Mobile, Tablets, and Desktops
 */

:root {
  --bg-page: #f8f9fa;
  --bg-header: #ffffff;
  --bg-card: #ffffff;
  --bg-blu: #e7f8ff;
  --text-main: #212529;
  --text-muted: #6c757d;
  --accent-blue: #08acf2;
  --accent-green: #00d022;
  --accent-green-hover: #13ac1d;
  --border: #dee2e6;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Syne", sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Preloader */
.loader {
  position: fixed;
  inset: 0;
  background: #ffffff;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader__logo {
  max-width: 180px;
  height: auto;
  animation: pulseLogo 1.2s ease-in-out infinite alternate;
}

@keyframes pulseLogo {
  0% { transform: scale(0.96); opacity: 0.8; }
  100% { transform: scale(1.04); opacity: 1; }
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(8, 172, 242, 0.2);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 950;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 15px rgba(0,0,0,0.04);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand__logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--accent-blue);
}

.header__right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.need-help {
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.95rem;
  white-space: nowrap;
}

.need-help span {
  color: var(--accent-blue);
}

/* Language selector */
.lang {
  display: flex;
  background: #f1f3f5;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px;
  gap: 2px;
}

.lang__btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition);
}

.lang__btn.is-active {
  background: var(--accent-blue);
  color: #fff;
}

.lang__flag {
  width: 16px;
  height: 12px;
  border-radius: 2px;
  object-fit: cover;
}

.nav-toggle {
  display: none;
  background: #f1f3f5;
  border: 1px solid var(--border);
  font-size: 1.3rem;
  padding: 6px 12px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-main);
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--accent-blue);
  color: #fff;
}

/* Hero Section */
.hero-section {
  background: var(--bg-blu);
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-content p {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

/* Vibrant Green CTA Button */
.btn-success-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-green);
  color: #fff;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(0, 208, 34, 0.3);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  margin-top: 1.5rem;
}

.btn-success-custom:hover {
  background-color: var(--accent-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 208, 34, 0.4);
}

/* Right Media Card */
.hero-media-card {
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
}

.hero-media-inner {
  position: relative;
  padding: 15px;
  background: linear-gradient(135deg, #7eda55 0%, #30d5c8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-media-inner img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

.hero-bottom-banner {
  background: linear-gradient(90deg, #08acf2 0%, #0d6efd 100%);
  padding: 20px 25px;
  color: #fff;
}

.hero-bottom-banner h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.hero-bottom-banner h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #e7f8ff;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 1rem;
}

.features-list li::before {
  content: '• ';
  color: #00d022;
  font-weight: bold;
}

/* Sections General */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--text-main);
}

/* React Widget Section */
.react-section {
  background: #ffffff;
  border-top: 1px solid var(--border);
}

.react-widget-box {
  background: var(--bg-blu);
  border: 1px solid #bce3fb;
  border-radius: 20px;
  padding: 3rem;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 15px 35px rgba(8,172,242,0.1);
}

.dose-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.dose-btn {
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 10px;
  color: var(--text-main);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  text-align: left;
}

.dose-btn.is-selected, .dose-btn:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.dose-result {
  background: #ffffff;
  border-left: 4px solid var(--accent-green);
  padding: 1.5rem;
  border-radius: 0 10px 10px 0;
  font-size: 1.05rem;
  color: var(--text-main);
  margin-top: 2rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* Contact Section */
.contact-section {
  background: #f1f3f5;
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-form {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  font-weight: 600;
}

.form-control {
  width: 100%;
  background: #f8f9fa;
  border: 1px solid var(--border);
  padding: 14px 18px;
  border-radius: 10px;
  color: var(--text-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(8,172,242,0.25);
  background: #fff;
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25d366;
  color: #fff;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  text-decoration: none;
  font-size: 28px;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #20ba5a;
}

/* Footer */
.site-footer {
  background: #212529;
  color: #fff;
  padding: 4rem 0 2.5rem;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: #adb5bd;
  margin-top: 1.5rem;
  line-height: 1.6;
}

.copyright {
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: #adb5bd;
}

/* Ultra Responsive Design for Tablets and Mobile Phones */
@media (max-width: 1024px) {
  .hero-grid, .contact-grid, .video-testimonial-card {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .container {
    padding: 0 1.5rem;
  }
}

/* Video Testimonial Card */
.video-testimonial-card {
  background: var(--bg-blu);
  border: 1px solid #bce3fb;
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: 0 15px 35px rgba(8,172,242,0.08);
}

.video-wrapper video {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  background: transparent;
  display: block;
  object-fit: contain;
}

.video-badge-tag {
  display: inline-block;
  background: var(--accent-blue);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.video-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-main);
  line-height: 1.2;
}

.video-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.video-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 85px;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 20px 30px rgba(0,0,0,0.15);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 899;
    align-items: flex-start;
  }
  .nav.is-open {
    transform: translateY(0);
  }
  .nav-toggle {
    display: flex !important;
  }
  .need-help {
    display: none; /* Hide top phone number on small mobile to fit header nicely, available in contact/footer */
  }
  .hero-section {
    padding: 60px 0;
  }
  .react-widget-box, .contact-form {
    padding: 2rem 1.5rem;
  }
}