/* =============================================================
   FORGE NUTRITION — SPORTS SUPPLEMENT STORE STYLESHEET
   ============================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 96px 0; }
.alt-section { background: var(--bg-mid); }

/* SCROLL PROGRESS */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--primary); width: 0; z-index: 1001; }

/* REVEAL */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease calc(var(--delay,0s)), transform .7s ease calc(var(--delay,0s)); }
[data-reveal].revealed { opacity: 1; transform: none; }

/* DELIVERY BAR */
.delivery-bar { background: var(--primary); color: #0a1a04; padding: 9px 24px; display: flex; align-items: center; justify-content: center; gap: 8px; font-size: .8rem; font-weight: 700; letter-spacing: .3px; }

/* NAVBAR */
.navbar { position: sticky; top: 0; z-index: 999; background: rgba(10,11,10,0.94); backdrop-filter: blur(16px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.navbar.scrolled { border-color: var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 8px; }
.logo-mark { width: 28px; height: 28px; background: var(--primary); clip-path: polygon(50% 0%, 100% 100%, 0% 100%); flex-shrink: 0; }
.logo-text { font-family: 'Barlow Condensed', sans-serif; font-size: 1.4rem; font-weight: 900; letter-spacing: 2px; text-transform: uppercase; color: var(--text); }
.navbar-links { display: flex; gap: 32px; }
.navbar-links li a { font-size: .84rem; font-weight: 600; color: var(--text-muted); transition: color .2s; letter-spacing: .3px; }
.navbar-links li a:hover { color: var(--primary); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-cart-btn { background: rgba(255,255,255,.06); border: 1px solid var(--border-white); color: var(--text-muted); padding: 8px 12px; border-radius: 8px; display: flex; align-items: center; gap: 6px; transition: all .2s; position: relative; }
.nav-cart-btn:hover { color: var(--primary); border-color: var(--border); }
.cart-count { background: var(--primary); color: #0a1a04; font-size: .64rem; font-weight: 800; padding: 1px 6px; border-radius: 100px; }
.btn-nav-cta { background: var(--primary); color: #0a1a04; padding: 9px 22px; border-radius: 50px; font-size: .82rem; font-weight: 800; transition: background .2s; white-space: nowrap; }
.btn-nav-cta:hover { background: var(--primary-dark); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; display: block; }
.mobile-menu { display: none; flex-direction: column; gap: 4px; background: var(--bg-mid); border-top: 1px solid var(--border); padding: 16px 24px; }
.mobile-menu a { padding: 10px 0; font-size: .9rem; color: var(--text-muted); border-bottom: 1px solid var(--border-white); }
.mobile-menu a:last-child { border: none; margin-top: 8px; }
.mobile-menu.open { display: flex; }

/* BUTTONS */
.btn-primary { background: var(--primary); color: #0a1a04; padding: 14px 32px; border-radius: 50px; font-size: .9rem; font-weight: 800; display: inline-flex; align-items: center; gap: 8px; transition: background .2s, transform .15s; border: none; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.2); color: var(--text); padding: 13px 30px; border-radius: 50px; font-size: .9rem; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: border-color .2s, color .2s; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-outline { border: 1.5px solid var(--border-white); color: var(--text); padding: 12px 28px; border-radius: 50px; font-size: .86rem; font-weight: 700; display: inline-block; transition: border-color .2s, color .2s; text-align: center; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 10px 22px; font-size: .82rem; }
.btn-lg { padding: 16px 38px; font-size: 1rem; }
.btn-block { display: block; width: 100%; text-align: center; border-radius: 10px; justify-content: center; }

/* EYEBROW + HEADINGS */
.eyebrow { font-size: .72rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--primary); margin-bottom: 12px; }
.section-title { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 900; line-height: 1.0; letter-spacing: -1px; text-transform: uppercase; margin-bottom: 16px; }
.section-sub { font-size: 1rem; color: var(--text-muted); max-width: 580px; line-height: 1.7; }
.section-header { margin-bottom: 52px; }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(10,11,10,0.97) 45%, rgba(10,11,10,0.5)); }
.hero-inner { position: relative; z-index: 1; padding: 120px 0 80px; }
.hero-content { max-width: 680px; }
.hero-eyebrow { font-size: .72rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--primary); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.hero-eyebrow::before { content: ''; display: block; width: 28px; height: 2px; background: var(--primary); }
.hero-heading { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(4rem, 9vw, 8rem); font-weight: 900; line-height: 0.92; letter-spacing: -2px; text-transform: uppercase; margin-bottom: 22px; color: var(--text); }
.hero-volt { color: var(--primary); }
.hero-sub { font-size: 1rem; color: var(--text-muted); max-width: 520px; line-height: 1.75; margin-bottom: 36px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust { display: flex; gap: 32px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid var(--border-white); }
.hero-trust-item { display: flex; flex-direction: column; }
.hero-trust-val { font-family: 'Barlow Condensed', sans-serif; font-size: 1.6rem; font-weight: 900; color: var(--primary); line-height: 1; }
.hero-trust-lbl { font-size: .74rem; color: var(--text-muted); margin-top: 2px; }

/* TRUST STRIP */
.trust-strip { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 24px 0; }
.trust-strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.trust-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 20px; border-right: 1px solid var(--border-white); }
.trust-item:last-child { border-right: none; }
.trust-icon { width: 22px; height: 22px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.trust-title { font-size: .84rem; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.trust-desc { font-size: .76rem; color: var(--text-muted); line-height: 1.5; }

/* GOAL FILTERS */
.goal-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.goal-btn { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.04); border: 1px solid var(--border-white); color: var(--text-muted); padding: 10px 20px; border-radius: 50px; font-size: .82rem; font-weight: 700; transition: all .2s; font-family: inherit; }
.goal-icon { width: 15px; height: 15px; }
.goal-btn.active, .goal-btn:hover { background: var(--primary-light); border-color: var(--border); color: var(--primary); }

/* PRODUCTS GRID */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card { background: var(--card); border: 1px solid var(--border-white); border-radius: 16px; overflow: hidden; transition: transform .3s, box-shadow .3s, border-color .3s; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 24px 60px rgba(0,0,0,.6); border-color: var(--border); }
.product-image-wrap { position: relative; height: 210px; overflow: hidden; background: var(--card-light); }
.product-img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .product-img { transform: scale(1.05); }
.product-badge { position: absolute; top: 12px; left: 12px; font-size: .68rem; font-weight: 800; padding: 4px 12px; border-radius: 100px; letter-spacing: .5px; text-transform: uppercase; }
.badge-green { background: rgba(132,204,22,.2); border: 1px solid rgba(132,204,22,.4); color: var(--primary); }
.badge-volt  { background: rgba(34,197,94,.2);  border: 1px solid rgba(34,197,94,.4);  color: #4ade80; }
.product-sale-tag { position: absolute; top: 12px; right: 12px; background: #ef4444; color: #fff; font-size: .64rem; font-weight: 800; padding: 3px 10px; border-radius: 100px; letter-spacing: .5px; }
.product-body { padding: 18px; }
.product-subtitle { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 4px; }
.product-name { font-family: 'Barlow Condensed', sans-serif; font-size: 1.15rem; font-weight: 900; text-transform: uppercase; letter-spacing: .5px; color: var(--text); margin-bottom: 10px; line-height: 1.1; }
.product-key-facts { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.product-fact-tag { background: var(--primary-light); border: 1px solid var(--border); border-radius: 100px; padding: 2px 8px; font-size: .66rem; color: var(--primary); font-weight: 600; }
.product-flavours { display: flex; align-items: center; gap: 5px; margin-bottom: 14px; }
.flavour-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--text-muted); border: 1.5px solid var(--border-white); }
.flavour-dot:nth-child(1) { background: #8b4513; }
.flavour-dot:nth-child(2) { background: #f5deb3; }
.flavour-dot:nth-child(3) { background: #e75480; }
.flavour-more { font-size: .72rem; color: var(--text-muted); }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.product-price-wrap { display: flex; align-items: baseline; gap: 6px; }
.price-was { font-size: .82rem; color: var(--text-dim); text-decoration: line-through; }
.product-price { font-size: 1.2rem; font-weight: 800; color: var(--text); }
.btn-add-cart { background: var(--primary); color: #0a1a04; border: none; padding: 8px 16px; border-radius: 50px; font-size: .78rem; font-weight: 800; display: flex; align-items: center; gap: 4px; transition: background .2s; }
.btn-add-cart:hover { background: var(--primary-dark); }

/* STACKS */
.stacks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.stack-card { background: var(--card); border: 1px solid var(--border-white); border-radius: 20px; overflow: hidden; transition: transform .3s; }
.stack-card:hover { transform: translateY(-4px); }
.stack-image-wrap { position: relative; height: 220px; overflow: hidden; }
.stack-img { width: 100%; height: 100%; object-fit: cover; }
.stack-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,11,10,.8) 40%, transparent); display: flex; align-items: flex-end; padding: 16px; }
.stack-save-badge { background: var(--primary); color: #0a1a04; font-size: .72rem; font-weight: 800; padding: 4px 14px; border-radius: 100px; }
.stack-body { padding: 24px; }
.stack-goal { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--primary); margin-bottom: 6px; }
.stack-name { font-family: 'Barlow Condensed', sans-serif; font-size: 1.4rem; font-weight: 900; text-transform: uppercase; margin-bottom: 14px; }
.stack-includes { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; align-items: center; }
.stack-includes-label { font-size: .72rem; color: var(--text-muted); margin-right: 4px; }
.stack-product-tag { background: rgba(255,255,255,.05); border: 1px solid var(--border-white); border-radius: 100px; padding: 3px 10px; font-size: .68rem; color: var(--text-muted); }
.stack-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.stack-price { font-size: 1.5rem; font-weight: 900; color: var(--text); }
.stack-saving { font-size: .78rem; color: var(--primary); font-weight: 700; display: block; }

/* SCIENCE */
.science-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 48px; }
.science-card { background: var(--card); border: 1px solid var(--border-white); border-radius: 16px; padding: 28px 24px; }
.science-icon-wrap { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.science-icon { width: 22px; height: 22px; color: var(--primary); }
.science-title { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.science-desc { font-size: .82rem; color: var(--text-muted); line-height: 1.65; }
.cert-bar { background: var(--card-light); border: 1px solid var(--border); border-radius: 14px; padding: 20px 28px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.cert-label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); white-space: nowrap; }
.cert-logos { display: flex; gap: 12px; flex-wrap: wrap; }
.cert-badge { display: flex; align-items: center; gap: 6px; background: var(--primary-light); border: 1px solid var(--border); border-radius: 50px; padding: 6px 14px; font-size: .76rem; font-weight: 700; color: var(--primary); }
.cert-badge i { width: 14px; height: 14px; }

/* ATHLETES */
.athlete-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.athlete-card { background: var(--card); border: 1px solid var(--border-white); border-radius: 20px; padding: 28px; }
.athlete-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.athlete-img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.athlete-name { font-size: .95rem; font-weight: 700; color: var(--text); }
.athlete-cred { font-size: .76rem; color: var(--primary); font-weight: 600; }
.stars { display: flex; gap: 3px; margin-bottom: 12px; }
.star-filled { width: 14px; height: 14px; color: #fbbf24; fill: #fbbf24; }
.athlete-quote { font-size: .88rem; color: var(--text); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.athlete-product { display: flex; align-items: center; gap: 6px; font-size: .76rem; font-weight: 600; color: var(--text-muted); background: rgba(255,255,255,.04); padding: 6px 12px; border-radius: 100px; display: inline-flex; }

/* SUBSCRIPTION */
.sub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sub-card { background: var(--card); border: 1px solid var(--border-white); border-radius: 20px; padding: 36px; position: relative; transition: transform .3s; }
.sub-card:hover { transform: translateY(-4px); }
.sub-card.featured { border-color: var(--border); box-shadow: 0 0 0 1px var(--primary), 0 30px 80px rgba(132,204,22,.12); }
.sub-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #0a1a04; font-size: .66rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; padding: 4px 16px; border-radius: 100px; white-space: nowrap; }
.sub-name { font-family: 'Barlow Condensed', sans-serif; font-size: .84rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; }
.sub-price { font-family: 'Barlow Condensed', sans-serif; font-size: 2.8rem; font-weight: 900; color: var(--text); line-height: 1; margin-bottom: 4px; }
.sub-price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.sub-card.featured .sub-price { color: var(--primary); }
.sub-desc { font-size: .84rem; color: var(--text-muted); margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border-white); line-height: 1.6; }
.sub-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.sub-features li { display: flex; align-items: center; gap: 8px; font-size: .84rem; color: var(--text-muted); }
.feat-check { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; }

/* FOOTER */
.site-footer { background: var(--bg-mid); border-top: 1px solid var(--border); padding: 64px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo-wrap { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.footer-logo-mark { width: 22px; height: 22px; background: var(--primary); clip-path: polygon(50% 0%, 100% 100%, 0% 100%); }
.footer-logo-text { font-family: 'Barlow Condensed', sans-serif; font-size: 1.2rem; font-weight: 900; letter-spacing: 2px; text-transform: uppercase; }
.footer-tagline { font-size: .82rem; color: var(--text-muted); margin-bottom: 20px; line-height: 1.5; }
.footer-social { display: flex; gap: 10px; }
.social-link { width: 36px; height: 36px; background: rgba(255,255,255,.05); border: 1px solid var(--border-white); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: all .2s; }
.social-link i { width: 16px; height: 16px; }
.social-link:hover { background: var(--primary-light); color: var(--primary); border-color: var(--border); }
.footer-col-head { font-size: .72rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: .84rem; color: var(--text-muted); transition: color .2s; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border-white); padding: 20px 0; }
.footer-bottom p { font-size: .76rem; color: var(--text-dim); line-height: 1.6; }

/* BACK TO TOP */
.back-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; background: var(--card); border: 1px solid var(--border); color: var(--text-muted); border-radius: 50%; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; z-index: 99; }
.back-top i { width: 20px; height: 20px; }
.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); color: var(--primary); }

/* CART TOAST */
.cart-toast { position: fixed; bottom: 80px; right: 28px; background: var(--card); border: 1px solid var(--border); border-radius: 50px; padding: 12px 20px; display: flex; align-items: center; gap: 8px; font-size: .84rem; font-weight: 600; color: var(--text); transform: translateY(20px); opacity: 0; transition: all .3s; z-index: 100; box-shadow: 0 8px 30px rgba(0,0,0,.4); }
.cart-toast.visible { transform: none; opacity: 1; }

/* RESPONSIVE */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .trust-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2n) { border-right: none; }
  .trust-item { border-bottom: 1px solid var(--border-white); }
  .trust-item:nth-last-child(-n+2) { border-bottom: none; }
  .science-grid { grid-template-columns: repeat(2, 1fr); }
  .stacks-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}
@media (max-width: 768px) {
  .navbar-links { display: none; }
  .hamburger { display: flex; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .athlete-grid { grid-template-columns: 1fr; }
  .sub-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .trust-strip-inner { grid-template-columns: 1fr; }
  .trust-item { border-right: none; }
  .footer-top { grid-template-columns: 1fr; }
}