/* 4 Hepa - cPanel Uyumlu Premium Beyaz Tema Tasarım Sistemi */

/* Design Tokens & Theme Variables (Açık ve Medikal Tema) */
:root {
  /* Colors */
  --bg-main: #ffffff;
  --bg-surface: #f8faf9;
  --bg-surface-alt: #ffffff;
  --bg-surface-glow: #eefdf8;
  
  --color-primary: #059669; /* Medikal Zümrüt Yeşili */
  --color-primary-dark: #047857;
  --color-primary-light: #34d399;
  --color-primary-glow: rgba(5, 150, 105, 0.08);
  
  --color-accent: #d97706; /* Canlı Altın / Amber */
  --color-accent-light: #fbbf24;
  --color-accent-glow: rgba(217, 119, 6, 0.08);
  
  --color-whatsapp: #25d366; /* WhatsApp Marka Yeşili */
  --color-whatsapp-dark: #128c7e;
  
  --text-primary: #111827; /* Koyu Slate - Okunabilirlik için */
  --text-secondary: #4b5563; /* Orta Slate - Detaylar için */
  --text-muted: #9ca3af;
  
  --border-color: rgba(5, 150, 105, 0.12);
  --border-glow: rgba(5, 150, 105, 0.3);
  
  /* Fonts */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout & Animations */
  --max-width: 1200px;
  --header-height: 100px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(5, 150, 105, 0.06);
  --shadow-lg: 0 16px 40px rgba(5, 150, 105, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.font-bold {
  font-weight: 700;
}

.text-emerald {
  color: var(--color-primary);
}

/* Container Utility */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.w-full {
  width: 100%;
}

.mt-6 {
  margin-top: 1.5rem;
}

/* General Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 50px; /* Yuvarlatılmış modern butonlar */
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.35);
}

/* WhatsApp Redirection Button Styling */
.btn-whatsapp {
  background: linear-gradient(135deg, var(--color-whatsapp) 0%, var(--color-whatsapp-dark) 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.5);
  background: linear-gradient(135deg, #2ae06e 0%, var(--color-whatsapp-dark) 100%);
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(135deg, var(--color-whatsapp), var(--color-primary-light));
  z-index: -1;
  border-radius: 53px;
  opacity: 0;
  transition: var(--transition);
  filter: blur(8px);
}

.btn-glow:hover::after {
  opacity: 0.5;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid rgba(5, 150, 105, 0.2);
}

.btn-outline:hover {
  background: rgba(5, 150, 105, 0.05);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.95rem 2.25rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

/* Badges */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-gold {
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border: 1px solid rgba(217, 119, 6, 0.15);
}

.badge-emerald {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border: 1px solid rgba(5, 150, 105, 0.15);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  z-index: 1010;
}

.logo-img {
  height: 110px;
  max-height: 120px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
  transform: translateY(12px);
  filter: drop-shadow(0 6px 20px rgba(5, 150, 105, 0.15));
}

@media (max-width: 768px) {
  .logo-img {
    height: 86px;
    transform: translateY(8px);
    filter: drop-shadow(0 4px 15px rgba(5, 150, 105, 0.12));
  }
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-divider {
  width: 1px;
  height: 20px;
  background-color: var(--border-color);
}

.product-badge {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

.mobile-menu-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.mobile-menu-overlay.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  width: 80%;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* Sections Base Styling */
section {
  padding: 7rem 0;
  position: relative;
}

.section-header {
  max-width: 650px;
  margin: 0 auto 4rem auto;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Scroll Animation Base */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* Hero Section */
.hero-section {
  padding-top: calc(var(--header-height) + 3rem);
  background: radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.04) 0%, transparent 60%);
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-bg-glow {
  position: absolute;
  top: 0;
  left: 20%;
  width: 50vw;
  height: 50vh;
  background: radial-gradient(circle, rgba(5, 150, 105, 0.02) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hfi-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.8rem;
}

/* Floating Elements & Hero Media */
.hero-media {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.product-glow-circle {
  position: absolute;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(5,150,105,0.09) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: pulseGlow 8s infinite alternate;
}

.image-wrapper {
  perspective: 1000px;
  z-index: 2;
}

.hero-product-img {
  width: 430px;
  height: auto;
  filter: drop-shadow(0 15px 35px rgba(5, 150, 105, 0.12));
  animation: floatImage 6s ease-in-out infinite;
  transition: var(--transition);
}

.hero-ingredients-row {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  width: 100%;
  z-index: 4;
  flex-wrap: wrap;
}

.hero-ing-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 105px;
  box-shadow: 0 10px 25px rgba(5, 150, 105, 0.08);
  transition: var(--transition);
}

.hero-ing-card:hover {
  transform: translateY(-8px) scale(1.08) !important;
  box-shadow: 0 15px 35px rgba(5, 150, 105, 0.18);
  border-color: var(--color-primary-light);
  background: #ffffff;
}

.hero-ing-card img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.hero-ing-card span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.float-1 {
  animation: floatCard1 5s ease-in-out infinite;
}

.float-2 {
  animation: floatCard2 6s ease-in-out infinite;
}

.float-3 {
  animation: floatCard3 5.5s ease-in-out infinite;
}

.capsule-capsule {
  position: absolute;
  top: 15%;
  right: -5%;
  width: 50px;
  height: 100px;
  transform: rotate(35deg);
  z-index: 3;
}

.capsule-part {
  display: block;
  width: 100%;
  height: 50%;
  border-radius: 25px 25px 0 0;
}

.capsule-half-1 {
  background: linear-gradient(to right, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.capsule-half-2 {
  background: linear-gradient(to right, var(--color-accent) 0%, #b45309 100%);
  transform: rotate(180deg);
  border-radius: 25px 25px 0 0;
}

.capsule-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 25px;
  box-shadow: 0 0 15px rgba(5, 150, 105, 0.25);
  opacity: 0.5;
  z-index: -1;
}

.floating {
  animation: floatCapsule 4.5s ease-in-out infinite;
}

/* Animations */
@keyframes floatImage {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(0.5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes floatCapsule {
  0% { transform: translateY(0px) rotate(35deg) scale(0.9); }
  50% { transform: translateY(-15px) rotate(40deg) scale(1); }
  100% { transform: translateY(0px) rotate(35deg) scale(0.9); }
}

@keyframes pulseGlow {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.05); opacity: 1; }
}

@keyframes floatCard1 {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes floatCard2 {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0px); }
}

@keyframes floatCard3 {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0px); }
}

/* Stats Section */
.stats-section {
  background-color: var(--bg-surface);
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  font-size: 2rem;
  width: 54px;
  height: 54px;
  background: var(--bg-surface-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-info h3 {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-info p {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Ingredients Section */
.ingredients-section {
  background: #ffffff;
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.ingredient-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.ingredient-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition);
}

.ingredient-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.ingredient-card.active {
  background: #ffffff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.ingredient-card.active::before {
  opacity: 1;
}

.ic-icon-wrapper {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-glow);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.ic-icon {
  width: 24px;
  height: 24px;
}

.ingredient-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.ingredient-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.learn-more {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Ingredient Detail Panel */
.ingredient-detail-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.detail-content {
  animation: fadeIn 0.4s ease;
}

.detail-content.hidden {
  display: none;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 4rem;
}

.detail-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: block;
}

.detail-text h2 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

.detail-p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.detail-badge-row {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.db-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.85rem;
  box-shadow: var(--shadow-sm);
}

.db-item strong {
  color: var(--color-primary);
}

.detail-image-box {
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle, rgba(5,150,105,0.04) 0%, transparent 70%);
  border-radius: 50%;
  padding: 1.5rem;
}

.detail-image-box img {
  width: 140px;
  height: 140px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cell flow / Canvas Animation Section */
.cell-section {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.canvas-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  max-width: 900px;
  margin: 0 auto;
}

.canvas-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.canvas-controls .btn-outline.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.canvas-container {
  width: 100%;
  height: 380px;
  background-color: #fafbfc;
  border: 1px solid rgba(5, 150, 105, 0.08);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

#cellCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-legend {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px dashed var(--border-color);
  padding-top: 1.5rem;
}

.legend-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.color-hepa {
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

.color-standard {
  background: #8b5cf6; /* Mor/Standart */
  box-shadow: 0 0 8px #8b5cf6;
}

.legend-membrane {
  width: 16px;
  height: 10px;
  border-radius: 4px;
  background: #e2e8f0;
  border: 2px solid #cbd5e1;
  flex-shrink: 0;
  margin-top: 7px;
}

.legend-item strong {
  font-size: 0.85rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.15rem;
}

.legend-item p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Tracker Section */
.tracker-section {
  background: #ffffff;
}

.tracker-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-sm);
}

.tracker-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 5rem;
  align-items: flex-start;
}

.weight-input-group {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.weight-input-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.input-with-btn {
  display: flex;
  gap: 0.75rem;
}

.weight-input-group input {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  width: 110px;
  outline: none;
  transition: var(--transition);
}

.weight-input-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary-glow);
}

.water-result {
  background: var(--bg-surface-glow);
  border: 1px dashed rgba(5, 150, 105, 0.25);
  padding: 1.5rem;
  border-radius: var(--radius-md);
}

.wr-title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.wr-amount {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.wr-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.tracker-checklist h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.checklist-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.habit-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.habit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  position: relative;
}

.habit-item input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.custom-checkbox {
  position: relative;
  top: 3px;
  height: 20px;
  width: 20px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: var(--transition);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.habit-item:hover input ~ .custom-checkbox {
  border-color: var(--color-primary);
}

.habit-item input:checked ~ .custom-checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.custom-checkbox::after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.habit-item input:checked ~ .custom-checkbox::after {
  display: block;
}

.habit-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.habit-item input:checked ~ .habit-text {
  color: var(--text-primary);
  font-weight: 500;
}

.score-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.score-header {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.score-bar-track {
  height: 8px;
  background: var(--bg-surface);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.score-bar {
  height: 100%;
  background: linear-gradient(to right, var(--color-primary) 0%, var(--color-accent) 100%);
  transition: width 0.4s ease;
}

.score-feedback {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Karaciğer Sağlığı Detayları Section */
.info-details-section {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.info-details-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.info-detail-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.info-detail-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.info-detail-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-mini-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.imc-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  min-width: 80px;
}

.info-mini-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.info-mini-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Suitability Section */
.suitability-section {
  background: #ffffff;
}

.suitability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.suitability-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.suitability-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.sc-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1.25rem;
}

.suitability-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.suitability-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Quality CTA Section */
.quality-cta-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.quality-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
}

.certifications-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.cert-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.cert-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.cert-item span {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.cert-item strong {
  color: var(--text-primary);
}

.cta-inner-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2.25rem;
  box-shadow: var(--shadow-lg);
}

.cta-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: block;
}

.cta-inner-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.cta-inner-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.usage-summary {
  background: var(--bg-surface);
  border-left: 3px solid var(--color-primary);
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.designer-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.designer-tag a {
  color: var(--color-primary);
  font-weight: 600;
}

.designer-tag a:hover {
  text-decoration: underline;
}

/* FAQ Section */
.faq-section {
  background: #ffffff;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.faq-icon {
  color: var(--color-primary);
  transition: var(--transition);
  font-size: 0.75rem;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
  padding: 0 2rem 1.5rem 2rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.active {
  background: #ffffff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* Pharmacy / WhatsApp Support Box */
.pharmacy-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 7rem 0;
}

.pharmacy-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 5rem 3rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.pc-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(5, 150, 105, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.pharmacy-card h2 {
  font-size: 2.25rem;
  margin-top: 0.75rem;
  margin-bottom: 1.25rem;
}

.pharmacy-card p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  font-size: 1.05rem;
}

.pharmacy-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Footer Section */
.footer-section {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 6rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .footer-logo {
  height: 64px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .footer-brand .footer-logo {
    height: 48px;
  }
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  width: 38px;
  height: 38px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.social-icons a:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-links h4, .footer-contact h4 {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.footer-contact a:hover {
  color: var(--color-primary);
}

.footer-regulatory {
  background: var(--bg-surface);
  border: 1px solid rgba(217, 119, 6, 0.15);
  border-radius: var(--radius-sm);
  padding: 2rem;
  text-align: center;
  margin-bottom: 3rem;
}

.footer-regulatory p:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.footer-regulatory p:last-child {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-features {
    align-items: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ingredients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  
  .detail-badge-row {
    justify-content: center;
  }
  
  .canvas-legend {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .tracker-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  /* New Grid Sections */
  .info-details-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .suitability-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .quality-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .logo-divider, .product-badge {
    display: none;
  }

  section {
    padding: 4.5rem 0;
  }
  
  .section-header {
    margin-bottom: 2.5rem;
    padding: 0 0.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .nav-menu, .nav-actions {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .ingredients-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .ingredient-detail-panel {
    padding: 1.75rem 1.25rem;
  }
  
  .canvas-wrapper {
    padding: 1.25rem 0.75rem;
  }
  
  .canvas-container {
    height: 280px;
  }
  
  .tracker-card {
    padding: 2rem 1.25rem;
  }
  
  .suitability-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .info-mini-card {
    padding: 1.25rem;
    gap: 1rem;
  }
  
  .imc-num {
    font-size: 2.25rem;
    min-width: 60px;
  }
  
  .cta-inner-card {
    padding: 2rem 1.25rem;
  }
  
  .certifications-list {
    margin-top: 1.5rem;
    gap: 1rem;
  }

  .hero-product-img {
    width: 320px;
  }

  .hero-ingredients-row {
    gap: 0.75rem;
    margin-top: 1.25rem;
    max-width: 100%;
    width: auto;
  }

  .hero-ing-card {
    flex: 1;
    max-width: 85px;
    width: auto;
    padding: 0.5rem 0.6rem;
  }

  .hero-ing-card img {
    width: 50px;
    height: 50px;
  }

  .capsule-capsule {
    display: none;
  }

  .product-glow-circle {
    width: 300px;
    height: 300px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 1rem;
  }
  
  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
  
  .input-with-btn {
    flex-direction: column;
    align-items: stretch;
  }
  
  .weight-input-group input {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .logo-img {
    height: 80px;
    transform: translateY(6px);
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero-title {
    font-size: 1.95rem;
  }
  
  .hero-lead {
    font-size: 0.95rem;
  }
  
  .canvas-controls {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
  }
  
  .canvas-controls button {
    width: 100%;
    text-align: center;
    padding: 0.6rem;
  }

  .hero-product-img {
    width: 270px;
  }

  .hero-ingredients-row {
    gap: 0.5rem;
    margin-top: 1rem;
    width: 100%;
  }

  .hero-ing-card {
    flex: 1;
    max-width: 80px;
    width: auto;
    padding: 0.4rem 0.5rem;
  }

  .hero-ing-card img {
    width: 44px;
    height: 44px;
  }

  .hero-ing-card span {
    font-size: 0.62rem;
  }

  .product-glow-circle {
    width: 240px;
    height: 240px;
  }
}