/* ==========================================================================
   CalorieCalc Premium Health-Tech UI Redesign System
   100% Bespoke, Copyright-Free, Mobile-First, Accessible Architecture
   ========================================================================== */

:root {
  --cc-primary-green: #059669;
  --cc-secondary-green: #10B981;
  --cc-light-green: #D1FAE5;
  --cc-very-light-green: #ECFDF5;
  --cc-dark-navy: #0F172A;
  --cc-slate-text: #334155;
  --cc-slate-muted: #64748B;
  --cc-card-bg: #FFFFFF;
  --cc-soft-bg: #F8FAFC;
  --cc-border-color: #E2E8F0;
  --cc-border-green: #A7F3D0;
  --cc-radius-sm: 8px;
  --cc-radius-md: 14px;
  --cc-radius-lg: 20px;
  --cc-radius-xl: 28px;
  --cc-radius-full: 9999px;
  --cc-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --cc-shadow-md: 0 6px 18px -2px rgba(15, 23, 42, 0.06);
  --cc-shadow-lg: 0 16px 36px -8px rgba(15, 23, 42, 0.08);
  --cc-shadow-glow: 0 12px 30px -4px rgba(5, 150, 105, 0.25);
  --cc-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --cc-dark-navy: #F8FAFC;
  --cc-slate-text: #CBD5E1;
  --cc-slate-muted: #94A3B8;
  --cc-card-bg: #1E293B;
  --cc-soft-bg: #0F172A;
  --cc-border-color: #334155;
  --cc-border-green: rgba(16, 185, 129, 0.3);
  --cc-very-light-green: rgba(6, 78, 59, 0.25);
  --cc-light-green: rgba(16, 185, 129, 0.2);
}

/* ==========================================================================
   1. NAVBAR & HEADER (Fixes Mobile Clipping & Button Cut-off)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--header-bg, rgba(255, 255, 255, 0.94));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--cc-border-color);
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
  box-sizing: border-box;
  gap: 1rem;
}

.brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.32);
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--cc-dark-navy);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-name .accent-green {
  color: var(--cc-primary-green);
}

.desktop-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cc-slate-text);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--cc-radius-sm);
  transition: var(--cc-transition);
}

.desktop-nav-link:hover,
.desktop-nav-link.active {
  color: var(--cc-primary-green);
  background-color: var(--cc-very-light-green);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.theme-pill-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  background-color: var(--cc-card-bg);
  border: 1px solid var(--cc-border-color);
  border-radius: var(--cc-radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cc-slate-text);
  cursor: pointer;
  transition: var(--cc-transition);
  outline: none;
  white-space: nowrap;
  box-shadow: var(--cc-shadow-sm);
}

.theme-pill-dropdown:hover {
  border-color: var(--cc-primary-green);
  color: var(--cc-primary-green);
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cc-primary-green);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.925rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--cc-radius-md);
  text-decoration: none;
  box-shadow: var(--cc-shadow-glow);
  transition: var(--cc-transition);
  white-space: nowrap;
}

.btn-header-cta:hover {
  background-color: #047857;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(5, 150, 105, 0.4);
}

.hamburger-icon-btn {
  display: none;
  background: var(--cc-very-light-green);
  border: 1px solid var(--cc-border-green);
  border-radius: 12px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  color: var(--cc-primary-green);
  transition: var(--cc-transition);
  flex-shrink: 0;
}

.hamburger-icon-btn:hover {
  background: var(--cc-light-green);
}

.hamburger-icon-btn svg {
  width: 22px;
  height: 22px;
}

/* Hide desktop elements on tablet & mobile */
@media (max-width: 992px) {
  .desktop-nav-links {
    display: none;
  }
  .hamburger-icon-btn {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .btn-header-cta {
    display: none; /* Crucial: Prevents mobile header cut-off */
  }
  .navbar-container {
    padding: 0 1rem;
    height: 4rem;
  }
  .brand-logo-icon {
    width: 2.25rem;
    height: 2.25rem;
  }
  .brand-name {
    font-size: 1.25rem;
  }
  .theme-pill-dropdown {
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   2. HERO SECTION (Exact Reference Design Match)
   ========================================================================== */
.cc-hero-section {
  position: relative;
  padding: 3.5rem 0 4rem;
  background: radial-gradient(circle at 85% 20%, rgba(16, 185, 129, 0.09) 0%, transparent 65%),
              radial-gradient(circle at 15% 85%, rgba(5, 150, 105, 0.05) 0%, transparent 60%);
  overflow: hidden;
}

.cc-hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

.cc-hero-text-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.cc-hero-eyebrow {
  display: inline-block;
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cc-primary-green);
  margin-bottom: 0.85rem;
}

.cc-hero-heading {
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 0 1.35rem 0;
}

.cc-hero-heading .title-navy {
  color: var(--cc-dark-navy);
  display: block;
}

.cc-hero-heading .title-green {
  color: var(--cc-primary-green);
  display: block;
}

.cc-hero-desc {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--cc-slate-text);
  margin: 0 0 2rem 0;
  max-width: 520px;
}

.cc-hero-ctas-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  width: 100%;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--cc-primary-green);
  color: #ffffff !important;
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.95rem 1.85rem;
  border-radius: var(--cc-radius-md);
  text-decoration: none;
  box-shadow: 0 10px 24px -4px rgba(5, 150, 105, 0.4);
  transition: var(--cc-transition);
  cursor: pointer;
  border: 1.5px solid transparent;
}

.btn-hero-primary:hover {
  background-color: #047857;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -4px rgba(5, 150, 105, 0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cc-very-light-green);
  color: var(--cc-primary-green) !important;
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.95rem 1.85rem;
  border-radius: var(--cc-radius-md);
  text-decoration: none;
  border: 1.5px solid var(--cc-border-green);
  transition: var(--cc-transition);
  cursor: pointer;
}

.btn-hero-secondary:hover {
  background-color: var(--cc-light-green);
  transform: translateY(-2px);
  border-color: var(--cc-primary-green);
}

/* Hero Visual Showcase */
.cc-hero-visual-col {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.cc-hero-visual-frame {
  position: relative;
  width: 100%;
  max-width: 560px;
  border-radius: var(--cc-radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 50px -12px rgba(15, 23, 42, 0.12),
              0 0 0 1px rgba(16, 185, 129, 0.15);
  background: var(--cc-card-bg);
  transition: transform 0.4s ease;
  animation: gentleFloat 6s ease-in-out infinite;
}

.cc-hero-visual-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

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

/* ==========================================================================
   3. FEATURES CARDS SECTION (Mifflin, Instant Results, Offline PWA)
   ========================================================================== */
.cc-features-section {
  padding: 1rem 0 3.5rem;
}

.cc-features-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

.cc-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cc-feature-card {
  background-color: var(--cc-very-light-green);
  border: 1px solid var(--cc-border-green);
  border-radius: var(--cc-radius-lg);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--cc-shadow-sm);
  transition: var(--cc-transition);
}

.cc-feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--cc-secondary-green);
  box-shadow: var(--cc-shadow-md);
  background-color: #ffffff;
}

[data-theme="dark"] .cc-feature-card:hover {
  background-color: #1E293B;
}

.cc-feature-icon-circle {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: #ffffff;
  color: var(--cc-primary-green);
  border: 1.5px solid var(--cc-border-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.12);
  flex-shrink: 0;
}

[data-theme="dark"] .cc-feature-icon-circle {
  background: #0F172A;
}

.cc-feature-title {
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--cc-dark-navy);
  margin: 0 0 0.4rem 0;
  line-height: 1.3;
}

.cc-feature-desc {
  font-size: 0.925rem;
  color: var(--cc-slate-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   4. HEALTH & NUTRITION COMPREHENSIVE SECTION
   ========================================================================== */
.cc-nutrition-section {
  padding: 3.5rem 0 4.5rem;
  background-color: var(--cc-soft-bg);
  border-top: 1px solid var(--cc-border-color);
  border-bottom: 1px solid var(--cc-border-color);
}

.cc-nutrition-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

.cc-nutrition-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.cc-badge-healthier {
  display: inline-block;
  padding: 0.35rem 0.95rem;
  background-color: var(--cc-light-green);
  color: #065F46;
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--cc-radius-full);
  margin-bottom: 1rem;
}

[data-theme="dark"] .cc-badge-healthier {
  background-color: rgba(16, 185, 129, 0.25);
  color: #34D399;
}

.cc-nutrition-heading {
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem 0;
}

.cc-nutrition-heading .title-navy {
  color: var(--cc-dark-navy);
}

.cc-nutrition-heading .title-green {
  color: var(--cc-primary-green);
}

.cc-nutrition-desc {
  font-size: 1.1rem;
  color: var(--cc-slate-text);
  line-height: 1.65;
  margin: 0 0 2rem 0;
  max-width: 540px;
}

.cc-benefits-row {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--cc-border-color);
  width: 100%;
}

.cc-benefit-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--cc-dark-navy);
}

.cc-benefit-icon {
  font-size: 1.25rem;
  color: var(--cc-primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cc-nutrition-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cc-nutrition-bowl-card {
  width: 100%;
  max-width: 480px;
  border-radius: var(--cc-radius-xl);
  overflow: hidden;
  box-shadow: var(--cc-shadow-lg);
  border: 1px solid var(--cc-border-color);
  background: var(--cc-card-bg);
  transition: var(--cc-transition);
}

.cc-nutrition-bowl-card:hover {
  transform: scale(1.02);
  box-shadow: 0 28px 60px -15px rgba(5, 150, 105, 0.2);
}

.cc-nutrition-bowl-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ==========================================================================
   5. RESPONSIVE BREAKPOINTS (Zero Overflow Guarantee)
   ========================================================================== */
@media (max-width: 1024px) {
  .cc-hero-heading {
    font-size: 3.25rem;
  }
  .cc-nutrition-heading {
    font-size: 2.35rem;
  }
}

@media (max-width: 900px) {
  .cc-hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .cc-hero-text-col {
    align-items: center;
  }
  .cc-hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .cc-hero-ctas-group {
    justify-content: center;
  }
  .cc-features-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .cc-nutrition-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .cc-nutrition-content {
    align-items: center;
  }
  .cc-benefits-row {
    justify-content: center;
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .cc-hero-section {
    padding: 2rem 0 2.5rem;
  }
  .cc-hero-heading {
    font-size: 2.5rem;
    line-height: 1.12;
  }
  .cc-hero-desc {
    font-size: 1rem;
    line-height: 1.55;
  }
  .cc-hero-ctas-group {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
  }
  .cc-feature-card {
    padding: 1.5rem 1.25rem;
  }
  .cc-nutrition-heading {
    font-size: 1.95rem;
  }
  .cc-benefits-row {
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cc-hero-visual-frame {
    animation: none;
  }
  .cc-nutrition-bowl-card:hover {
    transform: none;
  }
}

/* ==========================================================================
   6. MOBILE DRAWER NAVIGATION STYLING
   ========================================================================== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 4.5rem;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--cc-card-bg, #ffffff);
  z-index: 999;
  padding: 1.5rem;
  flex-direction: column;
  gap: 0.85rem;
  overflow-y: auto;
  border-top: 1px solid var(--cc-border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.mobile-menu.open,
.mobile-menu.active {
  display: flex !important;
}

.mobile-nav-link {
  font-family: var(--font-heading, "Plus Jakarta Sans", sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cc-dark-navy);
  padding: 0.65rem 0.25rem;
  text-decoration: none;
  border-bottom: 1px solid var(--cc-border-color);
  transition: var(--cc-transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--cc-primary-green);
  padding-left: 0.5rem;
}