/* ===== LUCIDE ICON BASE ===== */
/* All Lucide-generated SVGs: block display, inherit color, consistent stroke-width via JS attrs */
.lucide { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* ===== CSS VARIABLES ===== */
:root {
  --black: #0a0a0a;
  --green: #00FF87;
  --white: #ffffff;
  --gray: #1a1a1a;
  --gray-light: #2a2a2a;
  --red: #FF3D3D;
  --font-heading: 'Bebas Neue', cursive;
  --font-body: 'Outfit', sans-serif;
  --radius: 12px;
  --transition: 0.3s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--black); color: var(--white); font-family: var(--font-body); overflow-x: hidden; }
a { text-decoration: none; color: inherit; }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== SHARED ===== */
.container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
section { padding: 90px 20px; }
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: 2px;
  margin-bottom: 50px;
  text-align: center;
}
.section-title span { color: var(--green); }

/* =====================================================
   SECTION: Announcement Bar
   PURPOSE: Top-of-page strip promoting free shipping, new products, and discount codes
   CSS: @keyframes marquee scrolls duplicated inline text right-to-left indefinitely via translateX
   JS: None — pure CSS animation
===================================================== */
.announcement-bar {
  background: var(--green);
  color: var(--black);
  padding: 9px 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  position: relative;
  z-index: 1001;
}
.marquee-content {
  display: inline-block;
  animation: marquee 28s linear infinite;
  white-space: nowrap;
}
.marquee-content span { margin: 0 18px; }
@keyframes marquee {
  0%   { transform: translateX(100vw); }
  100% { transform: translateX(-100%); }
}

/* =====================================================
   SECTION: Navbar
   PURPOSE: Sticky navigation with brand, links, cart badge, and mobile hamburger
   CSS: backdrop-filter blur on .scrolled; flex layout; pseudo-element underline on hover
   JS: scroll event toggles .scrolled; hamburger click toggles mobile nav
===================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  height: 70px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.88);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom-color: rgba(0,255,135,0.12);
}
.nav-logo { font-family: var(--font-heading); font-size: 2.2rem; letter-spacing: 3px; display: flex; align-items: center; }
.nav-logo .x { color: var(--green); }
.logo-img { height: 42px; width: auto; object-fit: contain; display: block; }
.footer-brand .logo-img { height: 50px; }
.nav-links { display: flex; gap: 30px; list-style: none; }
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }
.nav-icons { display: flex; align-items: center; gap: 20px; }
.nav-icon { font-size: 1.15rem; cursor: pointer; transition: color var(--transition); }
.nav-icon:hover { color: var(--green); }
.cart-wrapper { position: relative; }
.cart-badge {
  position: absolute;
  top: -8px; right: -8px;
  background: var(--green);
  color: var(--black);
  border-radius: 50%;
  width: 18px; height: 18px;
  font-size: 0.62rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 30px 40px;
  z-index: 998;
  border-bottom: 1px solid var(--gray-light);
  flex-direction: column;
  gap: 22px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-family: var(--font-heading); font-size: 1.8rem; letter-spacing: 2px; transition: color var(--transition); }
.mobile-nav a:hover { color: var(--green); }

/* =====================================================
   SECTION: Hero
   PURPOSE: Full-viewport brand intro with 3D product, particles, and animated headline
   CSS: CSS 3D transforms (perspective + rotateX/Y) for product tilt;
        @keyframes floatParticle and slideUpFade for entrance animations
   JS: mousemove maps cursor offset to rotateX/Y; 40 particles injected via JS loop
===================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 40px 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 72% 50%, rgba(0,255,135,0.07) 0%, transparent 65%),
    radial-gradient(ellipse at 8% 80%, rgba(0,255,135,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.particles-container { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute;
  background: var(--green);
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle var(--dur, 7s) var(--del, 0s) infinite ease-in-out;
}
@keyframes floatParticle {
  0%   { opacity: 0;   transform: translateY(0) scale(1); }
  15%  { opacity: 0.9; }
  85%  { opacity: 0.5; }
  100% { opacity: 0;   transform: translateY(-110vh) scale(0.4); }
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.hero-text { animation: slideUpFade 0.9s ease forwards; }
@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(50px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow {
  font-size: 0.75rem; letter-spacing: 4px; text-transform: uppercase;
  color: var(--green); font-weight: 600; margin-bottom: 14px;
}
.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 10vw, 10rem);
  line-height: 0.88;
  letter-spacing: 3px;
  margin-bottom: 22px;
}
.hero-headline .accent { color: var(--red); display: block; }
.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.58);
  font-weight: 300;
  line-height: 1.75;
  max-width: 440px;
  margin-bottom: 40px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--green);
  color: var(--black);
  font-family: var(--font-body);
  font-weight: 700; font-size: 0.85rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 16px 36px; border-radius: var(--radius);
  border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 35px rgba(0,255,135,0.45); }
.btn-outline {
  background: transparent; color: var(--white);
  font-family: var(--font-body); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 14px 36px; border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.28); cursor: pointer;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
  display: inline-block;
}
.btn-outline:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }

/* 3D Protein Tub */
.hero-product {
  display: flex; justify-content: center; align-items: center;
  perspective: 900px;
  animation: slideUpFade 0.9s ease 0.3s both;
}
.product-3d-wrapper {
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
  cursor: crosshair;
  position: relative;
}
.hero-product-img {
  width: 340px;
  max-width: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 40px rgba(0,255,135,0.35)) drop-shadow(0 20px 60px rgba(0,0,0,0.7));
  animation: floatImg 3.5s ease-in-out infinite;
}
@keyframes floatImg {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}
.product-glow {
  position: absolute; bottom: -38px; left: 50%; transform: translateX(-50%);
  width: 180px; height: 38px;
  background: var(--green);
  filter: blur(32px); opacity: 0.32; border-radius: 50%;
  animation: glowPulse 2.2s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { opacity: 0.22; transform: translateX(-50%) scaleX(1); }
  50%      { opacity: 0.45; transform: translateX(-50%) scaleX(1.22); }
}

/* =====================================================
   SECTION: Shop by Goals
   PURPOSE: Route shoppers to products matching their fitness objective
   CSS: 3-col CSS Grid → 2-col → 1-col; top-border scaleX reveal on hover; glow box-shadow
   JS: None — pure CSS
===================================================== */
.goals-section { background: var(--black); }
.goals-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.goal-card {
  background: var(--gray); border: 1px solid var(--gray-light);
  border-radius: var(--radius); padding: 36px 28px; cursor: pointer;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.goal-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--green); transform: scaleX(0); transition: transform var(--transition);
}
.goal-card:hover { transform: translateY(-8px); border-color: rgba(0,255,135,0.45); box-shadow: 0 18px 55px rgba(0,255,135,0.14), 0 0 0 1px rgba(0,255,135,0.18); }
.goal-card:hover::before { transform: scaleX(1); }
.goal-icon { font-size: 2.4rem; margin-bottom: 15px; display: block; }
.goal-title { font-family: var(--font-heading); font-size: 1.45rem; letter-spacing: 1px; margin-bottom: 9px; }
.goal-desc { font-size: 0.84rem; color: rgba(255,255,255,0.48); line-height: 1.65; margin-bottom: 20px; }
.goal-link { font-size: 0.78rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--green); display: inline-flex; align-items: center; gap: 6px; transition: gap var(--transition); }
.goal-card:hover .goal-link { gap: 10px; }

/* =====================================================
   SECTION: Featured Products
   PURPOSE: Showcase top sellers and drive add-to-cart conversions
   CSS: 4-col CSS Grid → 2-col; scale on image hover; sliding green button fill via ::before
   JS: addToCart() increments badge and triggers .bounce keyframe on the clicked button
===================================================== */
.products-section { background: linear-gradient(180deg, var(--black) 0%, #0c0c0c 100%); }
.products-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.product-card {
  background: var(--gray); border: 1px solid var(--gray-light);
  border-radius: var(--radius); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 14px 45px rgba(0,0,0,0.55); }
.product-image-wrapper { position: relative; height: 220px; overflow: hidden; background: #111; }
.product-img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; transition: transform 0.4s ease; }
.product-card:hover .product-img { transform: scale(1.08); }
.product-badge { position: absolute; top: 12px; left: 12px; font-size: 0.62rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 10px; border-radius: 4px; }
.badge-new  { background: var(--green); color: var(--black); }
.badge-sale { background: var(--red);   color: var(--white); }
.badge-best { background: #f5a623;      color: var(--black); }
.product-info { padding: 20px; }
.product-category { font-size: 0.68rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--green); margin-bottom: 6px; }
.product-name { font-family: var(--font-heading); font-size: 1.2rem; letter-spacing: 1px; margin-bottom: 8px; }
.product-stars { color: #ffc107; font-size: 0.88rem; margin-bottom: 12px; }
.product-stars .dim { color: rgba(255,255,255,0.28); }
.product-pricing { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.price-current { font-family: var(--font-heading); font-size: 1.5rem; }
.price-old { font-size: 0.82rem; color: rgba(255,255,255,0.32); text-decoration: line-through; }
.btn-cart {
  width: 100%; background: transparent; color: var(--white);
  border: 1px solid var(--gray-light); border-radius: 8px; padding: 12px;
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer;
  position: relative; overflow: hidden; transition: border-color var(--transition);
}
.btn-cart::before {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--green); transition: left var(--transition); z-index: 0;
}
.btn-cart:hover::before { left: 0; }
.btn-cart:hover { border-color: var(--green); }
.btn-cart span { position: relative; z-index: 1; transition: color var(--transition); }
.btn-cart:hover span { color: var(--black); }
.btn-cart.bounce { animation: cartBounce 0.4s ease; }
@keyframes cartBounce {
  0%   { transform: scale(1); }
  30%  { transform: scale(0.92); }
  65%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* =====================================================
   SECTION: Build Your Stack
   PURPOSE: Upsell curated supplement bundles for different training levels
   CSS: backdrop-filter blur + rgba background = glassmorphism panels;
        ::after pseudo-element animated across card = shimmer on hover
   JS: "Get This Stack" calls addToCart() to increment badge
===================================================== */
.stack-section { background: linear-gradient(180deg, #0c0c0c 0%, var(--black) 100%); position: relative; overflow: hidden; }
.stack-section::before {
  content: '';
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,255,135,0.055) 0%, transparent 68%);
  pointer-events: none;
}
.stack-subtitle { text-align: center; color: rgba(255,255,255,0.48); font-size: 1rem; margin-top: -35px; margin-bottom: 50px; }
.stack-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.stack-card {
  background: rgba(255,255,255,0.028);
  border: 1px solid rgba(255,255,255,0.075);
  border-radius: 16px; padding: 40px 32px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  position: relative; overflow: hidden; cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.stack-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(0,255,135,0.035) 50%, transparent 100%);
  opacity: 0; transition: opacity var(--transition);
}
.stack-card::after {
  content: '';
  position: absolute; top: -50%; left: -75%;
  width: 50%; height: 200%;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.055) 50%, transparent 60%);
  transform: skewX(-20deg); opacity: 0;
}
.stack-card:hover::before { opacity: 1; }
.stack-card:hover::after  { opacity: 1; animation: stackShimmer 1.6s ease-in-out infinite; }
.stack-card:hover { border-color: rgba(0,255,135,0.28); transform: translateY(-6px); box-shadow: 0 22px 65px rgba(0,255,135,0.1); }
@keyframes stackShimmer { 0% { left: -75%; } 100% { left: 130%; } }
.stack-tier { font-size: 0.68rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--green); margin-bottom: 8px; }
.stack-name { font-family: var(--font-heading); font-size: 2rem; letter-spacing: 2px; margin-bottom: 8px; }
.stack-tagline { font-size: 0.84rem; color: rgba(255,255,255,0.44); line-height: 1.55; margin-bottom: 28px; }
.stack-divider { width: 100%; height: 1px; background: rgba(255,255,255,0.075); margin-bottom: 24px; }
.stack-items { list-style: none; display: flex; flex-direction: column; gap: 13px; margin-bottom: 28px; }
.stack-item { display: flex; align-items: center; gap: 12px; font-size: 0.88rem; color: rgba(255,255,255,0.72); }
.stack-check { width: 20px; height: 20px; border-radius: 50%; background: rgba(0,255,135,0.13); border: 1px solid rgba(0,255,135,0.38); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 0.6rem; color: var(--green); }
.stack-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; }
.stack-price-label { font-size: 0.68rem; color: rgba(255,255,255,0.38); letter-spacing: 1px; text-transform: uppercase; }
.stack-price-amount { font-family: var(--font-heading); font-size: 2rem; }
.btn-stack { background: var(--green); color: var(--black); font-family: var(--font-body); font-size: 0.78rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 12px 22px; border-radius: 8px; border: none; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); position: relative; z-index: 1; }
.btn-stack:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,255,135,0.42); }
.stack-popular { position: absolute; top: 20px; right: 20px; background: var(--green); color: var(--black); font-size: 0.62rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 10px; border-radius: 4px; }

/* =====================================================
   SECTION: Why Choose Us
   PURPOSE: Trust signals — lab testing, delivery, guarantee, support
   CSS: 4-col grid → 2-col → 1-col; alternating icon glow via nth-child(odd/even) drop-shadow
   JS: None
===================================================== */
.trust-section { background: var(--gray); border-top: 1px solid var(--gray-light); border-bottom: 1px solid var(--gray-light); padding: 70px 40px; }
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 40px; max-width: 1400px; margin: 0 auto; }
.trust-block { text-align: center; padding: 20px; }
.trust-icon { font-size: 2.9rem; margin-bottom: 14px; display: block; }
.trust-block:nth-child(odd)  .trust-icon .lucide { filter: drop-shadow(0 0 14px var(--green)); }
.trust-block:nth-child(even) .trust-icon .lucide { filter: drop-shadow(0 0 14px rgba(255,255,255,0.55)); }
.trust-title { font-family: var(--font-heading); font-size: 1.35rem; letter-spacing: 1px; margin-bottom: 9px; }
.trust-desc { font-size: 0.84rem; color: rgba(255,255,255,0.48); line-height: 1.65; }

/* =====================================================
   SECTION: Testimonials
   PURPOSE: Social proof from verified customers
   CSS: Glassmorphism cards (backdrop-filter blur, rgba bg); left green border; hover translateY lift
   JS: None
===================================================== */
.testimonials-section { background: var(--black); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testimonial-card {
  background: rgba(255,255,255,0.028);
  border: 1px solid rgba(255,255,255,0.075);
  border-left: 3px solid var(--green);
  border-radius: var(--radius); padding: 36px 30px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: 0 14px 45px rgba(0,255,135,0.08); }
.testimonial-stars { color: #ffc107; font-size: 0.95rem; margin-bottom: 18px; letter-spacing: 2px; }
.testimonial-quote { font-size: 0.93rem; color: rgba(255,255,255,0.72); line-height: 1.82; margin-bottom: 26px; font-style: italic; }
.testimonial-quote::before { content: '\201C'; font-family: var(--font-heading); font-size: 3rem; color: rgba(0,255,135,0.28); line-height: 0; vertical-align: -20px; margin-right: 3px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--green), rgba(0,255,135,0.28)); display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-size: 1.2rem; color: var(--black); flex-shrink: 0; }
.author-name { font-weight: 600; font-size: 0.88rem; }
.author-tag { font-size: 0.74rem; color: rgba(0,255,135,0.7); margin-top: 2px; }

/* =====================================================
   SECTION: Newsletter
   PURPOSE: Capture email leads with high-contrast green section
   CSS: Full-width #00FF87 background, black text; flex form wraps on mobile
   JS: submit prevents default, shows inline success, resets after 3s
===================================================== */
.newsletter-section { background: var(--green); padding: 80px 40px; text-align: center; }
.newsletter-title { font-family: var(--font-heading); font-size: clamp(2.5rem, 5vw, 4.5rem); color: var(--black); letter-spacing: 3px; margin-bottom: 10px; }
.newsletter-sub { font-size: 1rem; color: rgba(0,0,0,0.6); margin-bottom: 38px; }
.newsletter-form { display: flex; gap: 12px; max-width: 500px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.newsletter-input { flex: 1; min-width: 240px; background: var(--black); color: var(--white); border: 2px solid rgba(0,0,0,0.18); border-radius: 10px; padding: 16px 20px; font-family: var(--font-body); font-size: 0.9rem; outline: none; transition: border-color var(--transition); }
.newsletter-input::placeholder { color: rgba(255,255,255,0.38); }
.newsletter-input:focus { border-color: rgba(0,0,0,0.45); }
.newsletter-btn { background: var(--black); color: var(--green); font-family: var(--font-body); font-size: 0.84rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 16px 32px; border-radius: 10px; border: none; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); white-space: nowrap; }
.newsletter-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.3); }

/* =====================================================
   SECTION: Footer
   PURPOSE: Navigation, social links, legal, payment methods
   CSS: CSS Grid multi-col (2fr + 4×1fr) → 2-col → 1-col; social icon badges with hover swap
   JS: None
===================================================== */
.footer { background: #050505; padding: 70px 40px 30px; border-top: 1px solid var(--gray-light); }
.footer-top { display: grid; grid-template-columns: 2fr repeat(4,1fr); gap: 40px; max-width: 1400px; margin: 0 auto 55px; }
.footer-brand .nav-logo { margin-bottom: 14px; display: block; }
.footer-tagline { font-size: 0.84rem; color: rgba(255,255,255,0.38); line-height: 1.72; max-width: 215px; margin-bottom: 26px; }
.social-icons { display: flex; gap: 9px; }
.social-icon { background: var(--gray); border: 1px solid var(--gray-light); color: rgba(255,255,255,0.55); font-size: 0.68rem; font-weight: 700; letter-spacing: 1px; padding: 7px 12px; border-radius: 6px; cursor: pointer; transition: all var(--transition); }
.social-icon:hover { background: var(--green); border-color: var(--green); color: var(--black); }
.footer-col h4 { font-family: var(--font-heading); font-size: 1rem; letter-spacing: 2px; margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-col ul li a { font-size: 0.84rem; color: rgba(255,255,255,0.42); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom { border-top: 1px solid var(--gray-light); padding-top: 22px; max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer-copyright { font-size: 0.78rem; color: rgba(255,255,255,0.28); }
.payment-icons { display: flex; gap: 7px; flex-wrap: wrap; }
.payment-icon { background: var(--gray); border: 1px solid var(--gray-light); color: rgba(255,255,255,0.38); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.5px; padding: 5px 9px; border-radius: 4px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2,1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 100px 20px 60px; min-height: auto; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-ctas { justify-content: center; }
  .hero-subtitle { margin: 0 auto 40px; }
  .hero-product { order: -1; }
  .hero-product-img { width: 240px; }
  .goals-grid { grid-template-columns: repeat(2,1fr); }
  .stack-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .trust-section { padding: 60px 20px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  section { padding: 65px 20px; }
}
@media (max-width: 480px) {
  .goals-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2,1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-headline { font-size: 4.5rem; }
}
@media (min-width: 1440px) {
  .hero-headline { font-size: 11rem; }
}

/* =====================================================
   LUCIDE ICON SIZING — per context
   Purpose: Control icon dimensions via CSS width/height since Lucide
            renders inline SVG and ignores HTML width/height attributes.
            stroke-width="1.5" is set globally via lucide.createIcons attrs in JS.
===================================================== */

/* Navbar */
.nav-icon .lucide { width: 22px; height: 22px; }

/* Hamburger — CSS class toggles between menu/x icon on .active */
.hamburger { display: none; cursor: pointer; padding: 4px; position: relative; }
.hamburger .lucide { width: 24px; height: 24px; display: block; }
.hamburger .icon-close { display: none; }
.hamburger.active .icon-menu  { display: none; }
.hamburger.active .icon-close { display: block; }
/* Remove the old CSS-animated span bars (replaced by Lucide icons) */
.hamburger span { display: none; }

/* Goal cards */
.goal-icon { display: flex; align-items: center; margin-bottom: 15px; }
.goal-icon .lucide { width: 38px; height: 38px; color: var(--green); }
.goal-link { display: inline-flex; align-items: center; gap: 6px; }
.goal-link .lucide { width: 14px; height: 14px; transition: transform var(--transition); }
.goal-card:hover .goal-link .lucide { transform: translateX(4px); }

/* Trust section */
.trust-icon .lucide { width: 46px; height: 46px; display: block; margin: 0 auto; }
.trust-block:nth-child(odd)  .trust-icon .lucide { color: var(--green); }
.trust-block:nth-child(even) .trust-icon .lucide { color: var(--white); }

/* Cart sidebar */
.cart-close .lucide           { width: 16px; height: 16px; }
.cart-remove .lucide          { width: 15px; height: 15px; }
.cart-empty .package-icon     { width: 52px; height: 52px; color: rgba(255,255,255,0.15); display: block; margin: 0 auto 12px; }
.cart-tag-icon .lucide        { width: 14px; height: 14px; }

/* Checkout close + navigation icons */
.checkout-close-btn .lucide   { width: 16px; height: 16px; }
.btn-co-next .lucide,
.btn-co-back .lucide          { width: 16px; height: 16px; vertical-align: middle; }
.btn-co-next .lucide          { margin-left: 6px; }
.btn-co-back .lucide          { margin-right: 6px; }

/* Checkout form label prefix icons */
.co-field label .lucide       { width: 13px; height: 13px; opacity: 0.45; margin-right: 5px; }

/* Confirmation check-circle (Lucide) — scale+fade in when .animate-check added */
.confirm-check-icon           { width: 88px; height: 88px; color: var(--green); display: block; margin: 0 auto; opacity: 0; transform: scale(0.2); }
.animate-check .confirm-check-icon { animation: confirmIconIn 0.65s cubic-bezier(0.34,1.56,0.64,1) forwards; }
@keyframes confirmIconIn      { to { opacity: 1; transform: scale(1); } }

/* Calculator section icons */
.calc-gift-icon .lucide       { width: 36px; height: 36px; color: var(--green); }
.calc-label .lucide           { width: 13px; height: 13px; opacity: 0.45; margin-right: 4px; }
.btn-calculate .lucide        { width: 18px; height: 18px; vertical-align: middle; margin-right: 6px; }
.result-btn .lucide           { width: 16px; height: 16px; vertical-align: middle; margin-right: 6px; }

/* Footer social icons */
.social-icon              { width: 40px; height: 40px; padding: 0; display: inline-flex; align-items: center; justify-content: center; }
.social-icon .lucide      { width: 18px; height: 18px; display: block; }

/* =====================================================
   SECTION: Cart Sidebar
   PURPOSE: Slide-in right panel for cart review with quantities, totals, free-shipping progress
   CSS: position:fixed + translateX(100%)→translateX(0) on .open for smooth slide;
        overlay dims page with opacity 0→1 and pointer-events:none→all
   JS: openCart/closeCart toggle .open; renderCart() builds dynamic item rows;
       updateQty/removeItem mutate cart[] and re-render; updateCartSummary() drives progress bar
===================================================== */
.cart-overlay {
  position: fixed; inset: 0; z-index: 1100;
  background: rgba(0,0,0,0.65);
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 420px; z-index: 1101;
  background: #111;
  border-left: 1px solid var(--gray-light);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -8px 0 40px rgba(0,0,0,0.6);
}
.cart-sidebar.open { transform: translateX(0); }

.cart-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 28px; border-bottom: 1px solid var(--gray-light); flex-shrink: 0;
}
.cart-title { font-family: var(--font-heading); font-size: 1.6rem; letter-spacing: 2px; }
.cart-close {
  background: none; border: 1px solid var(--gray-light); color: rgba(255,255,255,0.6);
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.cart-close:hover { background: var(--red); border-color: var(--red); color: var(--white); }

.cart-items-list {
  flex: 1; overflow-y: auto; padding: 16px 28px;
  scrollbar-width: thin; scrollbar-color: var(--gray-light) transparent;
}
.cart-items-list::-webkit-scrollbar { width: 4px; }
.cart-items-list::-webkit-scrollbar-track { background: transparent; }
.cart-items-list::-webkit-scrollbar-thumb { background: var(--gray-light); border-radius: 4px; }

.cart-empty { text-align: center; padding: 60px 20px; color: rgba(255,255,255,0.35); }
.cart-empty span { font-size: 3rem; display: block; margin-bottom: 12px; }
.cart-empty p { margin-bottom: 16px; }
.cart-empty a { color: var(--green); font-weight: 600; font-size: 0.85rem; letter-spacing: 1px; }

.cart-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-icon {
  width: 52px; height: 52px; border-radius: 10px;
  background: var(--gray); display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-weight: 600; font-size: 0.88rem; margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-cat  { font-size: 0.7rem; color: var(--green); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.cart-item-price { font-family: var(--font-heading); font-size: 1rem; color: var(--white); }
.cart-item-right { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; flex-shrink: 0; }

.qty-selector { display: flex; align-items: center; gap: 0; border: 1px solid var(--gray-light); border-radius: 8px; overflow: hidden; }
.qty-btn { background: none; border: none; color: var(--white); width: 30px; height: 30px; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: background var(--transition); }
.qty-btn:hover { background: var(--green); color: var(--black); }
.qty-value { font-size: 0.85rem; font-weight: 600; min-width: 28px; text-align: center; }

.cart-remove { background: none; border: none; color: rgba(255,255,255,0.35); cursor: pointer; font-size: 0.8rem; padding: 4px; transition: color var(--transition); }
.cart-remove:hover { color: var(--red); }

.cart-footer { padding: 20px 28px; border-top: 1px solid var(--gray-light); flex-shrink: 0; }

.shipping-progress-wrap { margin-bottom: 16px; }
.shipping-text { font-size: 0.75rem; font-weight: 600; color: rgba(255,255,255,0.65); margin-bottom: 8px; }
.shipping-bar { height: 4px; background: var(--gray-light); border-radius: 4px; overflow: hidden; }
.shipping-bar-fill { height: 100%; background: var(--green); border-radius: 4px; transition: width 0.5s ease; width: 0%; }

.cart-totals { margin-bottom: 20px; }
.cart-total-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: 0.88rem; color: rgba(255,255,255,0.65); }
.cart-grand-total { font-family: var(--font-heading); font-size: 1.4rem; color: var(--white); border-top: 1px solid var(--gray-light); margin-top: 8px; padding-top: 12px; }

.btn-checkout-trigger {
  width: 100%; background: var(--green); color: var(--black);
  font-family: var(--font-body); font-weight: 700; font-size: 0.85rem;
  letter-spacing: 2px; text-transform: uppercase; padding: 16px;
  border-radius: var(--radius); border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-checkout-trigger:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,255,135,0.4); }

@media (max-width: 480px) { .cart-sidebar { width: 100%; } }

/* =====================================================
   SECTION: Checkout Modal
   PURPOSE: Full-screen 3-step checkout — shipping address, payment, order confirmation
   CSS: Fixed overlay (z:1200); CSS grid split form/summary; step-dot .active/.completed;
        SVG stroke-dashoffset animated via .animate-check class to draw the checkmark
   JS: goToStep(n) validates fields before advancing; _switchStep() swaps visible step and updates dots;
       card input auto-formats 4-digit groups; applyPromo() gives 10% off + live summary update;
       placeOrder() validates payment, calls _switchStep(3), animates checkmark, generates random order #
===================================================== */
.checkout-overlay {
  position: fixed; inset: 0; z-index: 1200;
  background: rgba(0,0,0,0.8);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
  overflow-y: auto;
}
.checkout-overlay.open { opacity: 1; pointer-events: all; }

.checkout-modal {
  background: #111; border: 1px solid var(--gray-light);
  border-radius: 16px; width: 100%; max-width: 980px;
  position: relative; max-height: 90vh; overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--gray-light) transparent;
  animation: modalIn 0.4s ease;
}
@keyframes modalIn { from { transform: translateY(30px); opacity: 0; } to { transform: none; opacity: 1; } }

.checkout-close-btn {
  position: absolute; top: 16px; right: 16px;
  background: none; border: 1px solid var(--gray-light); color: rgba(255,255,255,0.6);
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center; z-index: 10;
  transition: all var(--transition);
}
.checkout-close-btn:hover { background: var(--red); border-color: var(--red); color: var(--white); }

.checkout-body { display: grid; grid-template-columns: 1fr 360px; min-height: 500px; }

.checkout-left { padding: 40px 36px; border-right: 1px solid var(--gray-light); }

/* Step indicator */
.step-indicator { display: flex; align-items: center; margin-bottom: 6px; }
.step-dot {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: var(--gray); border: 2px solid var(--gray-light);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.82rem; color: rgba(255,255,255,0.4);
  transition: all var(--transition);
}
.step-dot.active { background: var(--green); border-color: var(--green); color: var(--black); }
.step-dot.completed { background: rgba(0,255,135,0.2); border-color: var(--green); color: var(--green); }
.step-connector { flex: 1; height: 2px; background: var(--gray-light); transition: background var(--transition); }
.step-connector.active { background: var(--green); }
.step-labels { display: flex; justify-content: space-between; font-size: 0.68rem; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.38); margin-bottom: 32px; padding: 0 4px; }

.co-step.hidden { display: none; }
.co-step-title { font-family: var(--font-heading); font-size: 1.8rem; letter-spacing: 1px; margin-bottom: 24px; }

.co-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 28px; }
.co-field { display: flex; flex-direction: column; gap: 6px; }
.co-field.full { grid-column: 1 / -1; }
.co-field label { font-size: 0.72rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.45); }
.co-field input, .co-select {
  background: var(--gray); color: var(--white);
  border: 1px solid var(--gray-light); border-radius: 8px;
  padding: 12px 14px; font-family: var(--font-body); font-size: 0.9rem;
  outline: none; transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.co-field input:focus, .co-select:focus { border-color: rgba(0,255,135,0.5); box-shadow: 0 0 0 3px rgba(0,255,135,0.08); }
.co-select option { background: var(--gray); }
.field-error { border-color: var(--red) !important; box-shadow: 0 0 0 3px rgba(255,61,61,0.15) !important; animation: shake 0.3s ease; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-4px)} 75%{transform:translateX(4px)} }

.promo-row { display: flex; gap: 10px; }
.promo-row input { flex: 1; }
.btn-promo { background: var(--gray-light); color: var(--white); border: 1px solid rgba(255,255,255,0.15); border-radius: 8px; padding: 0 18px; font-family: var(--font-body); font-weight: 600; font-size: 0.78rem; letter-spacing: 1px; cursor: pointer; white-space: nowrap; transition: all var(--transition); }
.btn-promo:hover { background: var(--green); color: var(--black); border-color: var(--green); }
.promo-feedback { font-size: 0.78rem; margin-top: 6px; font-weight: 600; }
.promo-ok  { color: var(--green); }
.promo-err { color: var(--red); }

.co-step-nav { display: flex; gap: 12px; margin-top: 8px; }
.btn-co-next { flex: 1; background: var(--green); color: var(--black); font-family: var(--font-body); font-weight: 700; font-size: 0.85rem; letter-spacing: 1.5px; text-transform: uppercase; padding: 15px 24px; border-radius: var(--radius); border: none; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); }
.btn-co-next:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,255,135,0.4); }
.btn-co-back { background: transparent; color: rgba(255,255,255,0.55); border: 1px solid var(--gray-light); font-family: var(--font-body); font-size: 0.82rem; padding: 15px 20px; border-radius: var(--radius); cursor: pointer; transition: all var(--transition); }
.btn-co-back:hover { border-color: var(--white); color: var(--white); }
.btn-co-next.standalone { margin-top: 8px; width: 100%; }

/* Confirmation step */
.confirmation-center { text-align: center; padding: 40px 20px; }
.checkmark-circle { margin: 0 auto 28px; display: flex; align-items: center; justify-content: center; }

.confirmation-heading { font-family: var(--font-heading); font-size: 2.8rem; letter-spacing: 2px; margin-bottom: 12px; }
.confirmation-text { color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 24px; }
.order-number-badge { display: inline-block; background: rgba(0,255,135,0.1); border: 1px solid rgba(0,255,135,0.3); color: var(--green); font-family: var(--font-heading); font-size: 1.4rem; letter-spacing: 3px; padding: 10px 24px; border-radius: 8px; margin-bottom: 32px; }
.btn-continue-shop { background: var(--green); color: var(--black); font-family: var(--font-body); font-weight: 700; font-size: 0.85rem; letter-spacing: 1.5px; text-transform: uppercase; padding: 15px 36px; border-radius: var(--radius); border: none; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); }
.btn-continue-shop:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,255,135,0.4); }

/* Right: order summary */
.checkout-right { padding: 40px 28px; background: rgba(0,0,0,0.3); }
.summary-heading { font-family: var(--font-heading); font-size: 1.4rem; letter-spacing: 2px; margin-bottom: 24px; }
.summary-items-list { margin-bottom: 28px; display: flex; flex-direction: column; gap: 14px; }
.summary-item { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: rgba(255,255,255,0.7); gap: 10px; }
.summary-item span:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.summary-item span:last-child  { flex-shrink: 0; font-weight: 600; }
.summary-totals { border-top: 1px solid var(--gray-light); padding-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.summary-row { display: flex; justify-content: space-between; font-size: 0.88rem; color: rgba(255,255,255,0.6); }
.summary-total-row { font-family: var(--font-heading); font-size: 1.4rem; color: var(--white); border-top: 1px solid var(--gray-light); padding-top: 12px; margin-top: 4px; }
.discount-row { color: rgba(255,255,255,0.6); }
.discount-row.hidden { display: none; }
.discount-amount { color: var(--green); font-weight: 600; }
.hidden { display: none !important; }

@media (max-width: 768px) {
  .checkout-body { grid-template-columns: 1fr; }
  .checkout-left { border-right: none; border-bottom: 1px solid var(--gray-light); padding: 28px 20px; }
  .checkout-right { padding: 24px 20px; }
  .co-form-grid { grid-template-columns: 1fr; }
  .co-field.full { grid-column: 1; }
}

/* Step 2 — Order Review card */
.co-review-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.co-review-items { display: flex; flex-direction: column; }
.co-review-item {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; color: rgba(255,255,255,0.72);
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 10px;
}
.co-review-item:last-child { border-bottom: none; }
.co-review-item span:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.co-review-item span:last-child  { flex-shrink: 0; font-weight: 600; }
.co-review-totals {
  border-top: 1px solid var(--gray-light);
  padding-top: 12px; margin-top: 10px;
  display: flex; flex-direction: column; gap: 8px;
}
.co-review-row { display: flex; justify-content: space-between; font-size: 0.85rem; color: rgba(255,255,255,0.58); }
.co-review-total { font-family: var(--font-heading); font-size: 1.25rem; color: var(--white); border-top: 1px solid var(--gray-light); padding-top: 10px; margin-top: 2px; }

/* Step 2 — Address recap */
.co-address-recap {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 16px;
}
.recap-label {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-bottom: 8px;
  display: flex; align-items: center; gap: 5px;
}
.recap-label .lucide { width: 11px; height: 11px; }
.recap-name { font-weight: 600; font-size: 0.88rem; margin-bottom: 3px; }
.recap-addr { font-size: 0.82rem; color: rgba(255,255,255,0.52); line-height: 1.5; margin-bottom: 6px; }
.recap-phone { font-size: 0.82rem; color: var(--green); display: flex; align-items: center; gap: 5px; }
.recap-phone .lucide { width: 12px; height: 12px; }

/* Step 2 — Promo field spacing */
.co-promo-wrap { margin-bottom: 16px; }

/* Step 2 — COD info box */
.cod-info-box {
  display: flex; align-items: flex-start; gap: 14px;
  background: rgba(0,255,135,0.05);
  border: 1px solid rgba(0,255,135,0.32);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
}
.cod-info-box p { font-size: 0.86rem; line-height: 1.65; color: rgba(255,255,255,0.75); }
.cod-info-icon { flex-shrink: 0; margin-top: 1px; }
.cod-info-icon .lucide { width: 20px; height: 20px; color: var(--green); }

/* Step 2 — Confirmation checkbox */
.co-confirm-label {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer; padding: 10px 0 14px; user-select: none;
}
.co-confirm-label input[type="checkbox"] {
  width: 18px; height: 18px; flex-shrink: 0;
  accent-color: var(--green); cursor: pointer; margin-top: 1px;
}
.co-confirm-text { font-size: 0.86rem; color: rgba(255,255,255,0.72); line-height: 1.5; }
.co-confirm-label.check-error .co-confirm-text { color: var(--red); }
.co-confirm-label.check-error { animation: shake 0.35s ease; }

/* Step 2 — Call note below confirm button */
.co-call-note {
  text-align: center; font-size: 0.76rem;
  color: rgba(255,255,255,0.35); margin-top: 12px;
}

/* =====================================================
   SECTION: Calorie Calculator
   PURPOSE: Free TDEE + macro tool using Mifflin-St Jeor formula as a branded "gift"
   CSS: Glowing green border card signals premium value; .result-visible triggers fade+slide in on result div
   JS: Mifflin-St Jeor formula with activity multiplier + goal offset; lbs/kg and ft+in/cm conversions;
       30/40/30 P/C/F macro split; pill-toggle and unit-toggle driven by JS classList
===================================================== */
.calculator-section { background: var(--black); padding: 60px 20px; }
.calc-card {
  background: var(--gray);
  border: 1px solid rgba(0,255,135,0.35);
  border-radius: 20px;
  padding: 50px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0,255,135,0.07), inset 0 0 80px rgba(0,255,135,0.025);
  max-width: 820px;
  margin: 0 auto;
}
.calc-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(to right, transparent, var(--green), transparent);
}
.calc-badge {
  position: absolute; top: 22px; right: 22px;
  background: var(--green); color: var(--black);
  font-size: 0.62rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 4px;
}
.calc-gift-icon { font-size: 2.4rem; margin-bottom: 10px; display: block; }
.calc-title { font-family: var(--font-heading); font-size: clamp(2rem,4vw,3rem); letter-spacing: 2px; color: var(--white); margin-bottom: 6px; }
.calc-subtitle { font-family: var(--font-heading); font-size: 1.2rem; letter-spacing: 1px; color: var(--green); margin-bottom: 10px; }
.calc-desc { font-size: 0.88rem; color: rgba(255,255,255,0.5); line-height: 1.65; margin-bottom: 36px; max-width: 560px; }

.calc-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 36px; }
.calc-field { display: flex; flex-direction: column; gap: 8px; }
.calc-field.full { grid-column: 1 / -1; }
.calc-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.45); }
.calc-input {
  background: rgba(255,255,255,0.05); color: var(--white);
  border: 1px solid var(--gray-light); border-radius: 8px;
  padding: 11px 14px; font-family: var(--font-body); font-size: 0.9rem;
  outline: none; width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.calc-input:focus { border-color: rgba(0,255,135,0.5); box-shadow: 0 0 0 3px rgba(0,255,135,0.08); }
.calc-select {
  background: rgba(255,255,255,0.05); color: var(--white);
  border: 1px solid var(--gray-light); border-radius: 8px;
  padding: 11px 14px; font-family: var(--font-body); font-size: 0.88rem;
  outline: none; width: 100%; cursor: pointer;
  transition: border-color var(--transition);
}
.calc-select:focus { border-color: rgba(0,255,135,0.5); }
.calc-select option { background: var(--gray); }

/* Pill toggle (gender / goal) */
.pill-toggle { display: flex; border: 1px solid var(--gray-light); border-radius: 8px; overflow: hidden; }
.pill-btn { flex: 1; background: transparent; color: rgba(255,255,255,0.45); border: none; padding: 10px 8px; cursor: pointer; font-family: var(--font-body); font-size: 0.82rem; font-weight: 600; transition: all var(--transition); }
.pill-btn.active { background: var(--green); color: var(--black); }
.pill-btn:hover:not(.active) { background: rgba(255,255,255,0.06); color: var(--white); }

/* Unit toggle (kg/lbs, cm/ft) */
.input-with-unit { display: flex; gap: 10px; align-items: flex-start; }
.input-with-unit .calc-input { flex: 1; }
.unit-toggle { display: flex; border: 1px solid var(--gray-light); border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.unit-btn { background: transparent; color: rgba(255,255,255,0.45); border: none; padding: 11px 12px; cursor: pointer; font-family: var(--font-body); font-size: 0.78rem; font-weight: 600; transition: all var(--transition); }
.unit-btn.active { background: var(--green); color: var(--black); }
.unit-btn:hover:not(.active) { background: rgba(255,255,255,0.06); color: var(--white); }

/* Height inputs (cm single / ft+in double) */
.height-inputs-wrap { flex: 1; display: flex; flex-direction: column; gap: 8px; }
#heightFtIn { gap: 8px; }

.btn-calculate {
  width: 100%; background: var(--green); color: var(--black);
  font-family: var(--font-body); font-weight: 700; font-size: 0.9rem;
  letter-spacing: 2px; text-transform: uppercase; padding: 16px;
  border-radius: var(--radius); border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-calculate:hover { transform: translateY(-2px); box-shadow: 0 10px 35px rgba(0,255,135,0.45); }

/* Result display (hidden until .result-visible) */
.calc-result {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: max-height 0.6s ease, opacity 0.5s ease, transform 0.5s ease, padding 0.4s ease, margin 0.4s ease;
  pointer-events: none;
  border-top: 1px solid transparent;
  padding-top: 0;
  margin-top: 0;
}
.calc-result.result-visible {
  max-height: 700px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  border-top: 1px solid var(--gray-light);
  padding-top: 36px;
  margin-top: 8px;
}

.result-calories-display { text-align: center; margin-bottom: 32px; }
.result-number { font-family: var(--font-heading); font-size: clamp(3.5rem,8vw,6rem); color: var(--white); letter-spacing: 2px; }
.result-kcal { font-size: 1rem; color: rgba(255,255,255,0.45); font-weight: 300; display: block; letter-spacing: 2px; margin-top: -4px; }

.result-macros { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 28px; }
.macro-card { background: rgba(255,255,255,0.04); border: 1px solid var(--gray-light); border-radius: var(--radius); padding: 22px 16px; text-align: center; }
.macro-amount { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 4px; }
.macro-name { font-size: 0.7rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.4); }
.macro-protein .macro-amount { color: var(--green); }
.macro-carbs   .macro-amount { color: var(--white); }
.macro-fats    .macro-amount { color: #f5a623; }

.result-msg { text-align: center; color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.7; margin-bottom: 28px; font-style: italic; }

@media (max-width: 768px) {
  .calc-card { padding: 36px 24px; }
  .calc-form { grid-template-columns: 1fr; }
  .calc-field.full { grid-column: 1; }
  .input-with-unit { flex-wrap: wrap; }
  .result-macros { grid-template-columns: repeat(3,1fr); gap: 10px; }
}
@media (max-width: 480px) {
  .result-macros { grid-template-columns: 1fr; }
}