/* ============================================
   DELTA LABS — Dark Sci-Fi Peptide Brand
   Color: Deep navy-black + electric blue
   ============================================ */

:root {
  --color-bg: #03070f;
  --color-surface: #070d1a;
  --color-surface-2: #0b1424;
  --color-surface-offset: #0f1c30;
  --color-border: #1a2d4a;
  --color-divider: #132038;
  --color-text: #e8edf5;
  --color-text-muted: #7a90b0;
  --color-text-faint: #3a5070;
  --color-accent: #4da6ff;
  --color-accent-hover: #70bbff;
  --color-accent-glow: rgba(77, 166, 255, 0.15);
  --color-accent-glow-strong: rgba(77, 166, 255, 0.35);

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --radius-sm: 4px; --radius-md: 8px;
  --radius-lg: 12px; --radius-xl: 16px;

  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Arial', sans-serif;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-default: 1160px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; scroll-padding-top: 80px; }
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
}

/* ── Side molecular / star decoration ── */
body::before,
body::after {
  content: '';
  position: fixed;
  top: 0;
  width: 340px;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: url('images/side-left.svg');
  background-repeat: repeat-y;
  background-size: 340px auto;
  opacity: 1;
}

body::before {
  left: 0;
  -webkit-mask-image: linear-gradient(to right, black 0%, black 45%, transparent 100%);
  mask-image: linear-gradient(to right, black 0%, black 45%, transparent 100%);
}

body::after {
  right: 0;
  transform: scaleX(-1);
  -webkit-mask-image: linear-gradient(to right, black 0%, black 45%, transparent 100%);
  mask-image: linear-gradient(to right, black 0%, black 45%, transparent 100%);
}

/* Side panels — scale down on smaller screens, always visible */
@media (max-width: 1200px) {
  body::before, body::after { width: 200px; }
}
@media (max-width: 900px) {
  body::before, body::after { width: 100px; opacity: 0.55; }
}
@media (max-width: 600px) {
  body::before, body::after { width: 60px; opacity: 0.45; }
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

.container { max-width: var(--content-default); margin: 0 auto; padding: 0 var(--space-6); }
.accent { color: var(--color-accent); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-sm); letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap; cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary { background: var(--color-accent); color: #03070f; border-color: var(--color-accent); }
.btn-primary:hover {
  background: var(--color-accent-hover); border-color: var(--color-accent-hover);
  box-shadow: 0 0 24px var(--color-accent-glow-strong); transform: translateY(-1px);
}
.btn-outline { background: transparent; color: var(--color-accent); border-color: var(--color-accent); }
.btn-outline:hover {
  background: var(--color-accent-glow);
  box-shadow: 0 0 20px var(--color-accent-glow); transform: translateY(-1px);
}
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(3, 7, 15, 0.95); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
}
.nav-inner {
  max-width: var(--content-default); margin: 0 auto;
  padding: 0 var(--space-6); height: 72px;
  display: flex; align-items: center; gap: var(--space-6);
}
.nav-logo {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; flex-shrink: 0;
}
.nav-logo-img {
  height: 48px; width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(77,166,255,0.4));
}
.nav-links {
  display: flex; align-items: center;
  gap: var(--space-8); margin-left: auto;
}
.nav-link {
  font-family: var(--font-display); font-size: var(--text-sm);
  font-weight: 600; letter-spacing: 0.1em;
  color: var(--color-text-muted); transition: color var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--color-accent); }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--color-accent); border-radius: 1px;
}
.nav-cta { margin-left: var(--space-4); }
.nav-mobile-toggle {
  display: none; flex-direction: column; gap: 5px; margin-left: auto;
}
.nav-mobile-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text); border-radius: 1px; transition: all var(--transition);
}
.mobile-nav {
  display: none; flex-direction: column;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: rgba(3,7,15,0.98);
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  font-family: var(--font-display); font-weight: 600; letter-spacing: 0.1em;
  padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider);
  color: var(--color-text-muted);
}
.mobile-nav-link:hover { color: var(--color-accent); }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 72px; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-glow {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.glow-1 {
  width: 700px; height: 500px;
  background: radial-gradient(ellipse, rgba(77,166,255,0.12) 0%, transparent 70%);
  top: 10%; right: -5%;
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(ellipse, rgba(77,166,255,0.07) 0%, transparent 70%);
  bottom: 20%; left: 5%;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(77,166,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,166,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-16); align-items: center;
  padding-block: var(--space-20);
}

/* Hero logo */
.hero-logo-wrap {
  margin-bottom: var(--space-6);
}
.hero-logo-img {
  height: 110px; width: auto;
  filter: drop-shadow(0 0 20px rgba(77,166,255,0.5));
}

.hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-size: var(--text-xs);
  font-weight: 600; letter-spacing: 0.15em; color: var(--color-accent);
  background: var(--color-accent-glow);
  border: 1px solid rgba(77,166,255,0.3);
  padding: var(--space-2) var(--space-4); border-radius: 100px;
  margin-bottom: var(--space-5);
}
.badge-dot {
  width: 7px; height: 7px; background: var(--color-accent);
  border-radius: 50%; animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl); font-weight: 900;
  line-height: 1.0; letter-spacing: 0.02em; text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.hero-sub {
  font-size: var(--text-base); color: var(--color-text-muted);
  max-width: 52ch; margin-bottom: var(--space-6); line-height: 1.7;
}
.hero-trust {
  display: flex; flex-wrap: wrap; gap: var(--space-5); margin-bottom: var(--space-8);
}
.trust-item {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
}
.trust-item svg { color: var(--color-accent); flex-shrink: 0; }
.hero-ctas { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-4); }
.hero-disclaimer { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: 0.05em; }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-img-glow {
  position: absolute; width: 110%; height: 110%;
  background: radial-gradient(ellipse at center, rgba(77,166,255,0.2) 0%, transparent 70%);
  filter: blur(30px); z-index: 0;
}
.hero-img {
  position: relative; z-index: 1; border-radius: var(--radius-lg);
  width: 100%; max-height: 520px; object-fit: cover;
  box-shadow: 0 0 60px rgba(77,166,255,0.15);
}

/* ============ HOW TO ORDER ============ */
.how-section {
  padding: var(--space-16) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.how-steps {
  display: grid; grid-template-columns: repeat(4,1fr); gap: var(--space-6);
  margin-top: var(--space-10);
}
.how-step {
  text-align: center; display: flex; flex-direction: column;
  align-items: center; gap: var(--space-3);
}
.how-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-accent-glow);
  border: 2px solid rgba(77,166,255,0.4);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 900; color: var(--color-accent);
}
.how-step h4 {
  font-family: var(--font-display); font-size: var(--text-sm);
  font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.how-step p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============ TRUST BAR ============ */
.trust-bar {
  background: var(--color-surface-2, #0b1424);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-8) 0;
}
.trust-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: var(--space-4); }
.trust-card {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  border-radius: var(--radius-lg); border: 1px solid transparent;
  transition: all var(--transition);
}
.trust-card:hover { background: var(--color-surface); border-color: var(--color-border); }
.trust-icon {
  width: 52px; height: 52px;
  background: var(--color-accent-glow);
  border: 1px solid rgba(77,166,255,0.25);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
}
.trust-label {
  font-family: var(--font-display); font-size: var(--text-sm);
  font-weight: 700; letter-spacing: 0.05em;
}
.trust-desc { font-size: var(--text-xs); color: var(--color-text-muted); }
.trust-badge {
  font-family: var(--font-display); font-size: 0.65rem;
  font-weight: 700; letter-spacing: 0.1em;
  color: var(--color-accent); background: var(--color-accent-glow);
  border: 1px solid rgba(77,166,255,0.25);
  padding: 2px 8px; border-radius: 100px;
}

/* ============ PRODUCTS ============ */
.products-section { padding: clamp(var(--space-16), 8vw, var(--space-24)) 0; }
.section-header { text-align: center; margin-bottom: var(--space-12); }
.section-eyebrow {
  display: inline-block; font-family: var(--font-display);
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.2em;
  color: var(--color-accent); margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 900; letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.section-sub {
  color: var(--color-text-muted); max-width: 54ch;
  margin: 0 auto; font-size: var(--text-base);
}
.products-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: var(--space-6); margin-bottom: var(--space-10);
}
.product-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover {
  border-color: rgba(77,166,255,0.4);
  box-shadow: 0 8px 40px rgba(77,166,255,0.12);
  transform: translateY(-3px);
}
.product-img-wrap {
  position: relative; aspect-ratio: 1/1; overflow: hidden; background: #000;
}
.product-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 400ms ease;
}
.product-card:hover .product-img-wrap img { transform: scale(1.04); }
.product-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(77,166,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.product-info {
  padding: var(--space-5); display: flex;
  flex-direction: column; gap: var(--space-2); flex: 1;
}
.product-name {
  font-family: var(--font-display); font-size: var(--text-xl);
  font-weight: 800; letter-spacing: 0.06em;
}
.product-dose {
  font-family: var(--font-display); font-size: var(--text-xs);
  font-weight: 600; letter-spacing: 0.12em; color: var(--color-accent);
}
.product-desc {
  font-size: var(--text-sm); color: var(--color-text-muted);
  line-height: 1.5; flex: 1;
}
.product-note {
  font-size: var(--text-xs); color: var(--color-text-faint);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.product-footer {
  display: flex; align-items: center;
  justify-content: space-between; margin-top: auto;
  padding-top: var(--space-4); border-top: 1px solid var(--color-divider);
}
.product-price {
  font-family: var(--font-display); font-size: var(--text-xl);
  font-weight: 800; color: var(--color-accent);
}
.product-card--promo {
  background: linear-gradient(135deg, rgba(77,166,255,0.08) 0%, rgba(26,58,110,0.3) 100%);
  border: 2px solid rgba(77,166,255,0.3);
  display: flex; align-items: center; justify-content: center;
}
.promo-inner {
  padding: var(--space-8); text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-4);
}
.promo-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 900; letter-spacing: 0.04em; line-height: 1.0; text-transform: uppercase;
}
.promo-desc { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 24ch; }
.products-cta { text-align: center; }

/* Product placeholder card */
.product-placeholder {
  display: flex; align-items: center; justify-content: center;
  height: 100%; padding: var(--space-8);
  background: linear-gradient(135deg, #050d1a 0%, #071524 100%);
}
.product-placeholder-inner { text-align: center; }
.product-placeholder-inner .p-name {
  font-family: var(--font-display); font-size: 1.6rem; font-weight: 900;
  letter-spacing: 0.06em; color: #fff; margin-top: var(--space-3);
  text-transform: uppercase;
}
.product-placeholder-inner .p-dose {
  font-size: 0.75rem; letter-spacing: 0.12em; margin-top: 4px;
}

/* ============ VIP ============ */
.vip-section {
  position: relative; padding: clamp(var(--space-16),8vw,var(--space-24)) 0; overflow: hidden;
}
.vip-bg {
  position: absolute; inset: 0; z-index: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.vip-glow {
  position: absolute; width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(77,166,255,0.1) 0%, transparent 70%);
  left: 50%; top: 50%; transform: translate(-50%,-50%); filter: blur(60px);
}
.vip-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr auto;
  gap: var(--space-16); align-items: center;
}
.vip-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 900; letter-spacing: 0.04em; text-transform: uppercase;
  line-height: 1.1; margin-bottom: var(--space-4);
}
.vip-desc { color: var(--color-text-muted); max-width: 50ch; margin-bottom: var(--space-6); }
.vip-form { display: flex; gap: var(--space-3); max-width: 500px; margin-bottom: var(--space-3); }
.vip-input {
  flex: 1; background: var(--color-surface-2, #0b1424);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5); font-size: var(--text-sm);
  color: var(--color-text); outline: none; transition: border-color var(--transition);
}
.vip-input::placeholder { color: var(--color-text-faint); }
.vip-input:focus { border-color: var(--color-accent); }
.vip-note { font-size: var(--text-xs); color: var(--color-text-faint); }
.vip-badge-wrap { display: flex; align-items: center; justify-content: center; }
.vip-circle {
  width: 140px; height: 140px; border-radius: 50%;
  background: var(--color-accent-glow);
  border: 2px solid rgba(77,166,255,0.3);
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: var(--space-2);
  box-shadow: 0 0 40px rgba(77,166,255,0.15);
}
.vip-circle-text {
  font-family: var(--font-display); font-size: 1.5rem;
  font-weight: 900; letter-spacing: 0.15em; color: var(--color-accent);
}

/* ============ FOOTER ============ */
.footer { background: var(--color-surface); border-top: 1px solid var(--color-divider); }
.footer-inner {
  display: flex; gap: var(--space-16);
  padding: var(--space-12) var(--space-6); align-items: flex-start;
}
.footer-brand { flex: 1; }
.footer-logo { margin-bottom: var(--space-4); }
.footer-logo-img {
  height: 50px; width: auto;
  filter: drop-shadow(0 0 6px rgba(77,166,255,0.3));
}
.footer-tagline { font-size: var(--text-sm); color: var(--color-text-muted); font-style: italic; }
.footer-links { display: flex; gap: var(--space-16); }
.footer-col { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col-title {
  font-family: var(--font-display); font-size: var(--text-xs);
  font-weight: 700; letter-spacing: 0.15em; color: var(--color-accent);
  text-transform: uppercase; margin-bottom: var(--space-2);
}
.footer-link { font-size: var(--text-sm); color: var(--color-text-muted); transition: color var(--transition); }
.footer-link:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-6); text-align: center;
}
.footer-disclaimer {
  font-size: var(--text-xs); color: var(--color-text-faint);
  max-width: 70ch; margin: 0 auto var(--space-3); line-height: 1.6;
}
.footer-copy { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ============ PAGE HERO ============ */
.page-hero {
  padding: calc(72px + var(--space-16)) 0 var(--space-16);
  background: var(--color-surface); border-bottom: 1px solid var(--color-divider);
  text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute;
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(77,166,255,0.08) 0%, transparent 70%);
  left: 50%; top: 50%; transform: translate(-50%,-50%); filter: blur(50px);
}
.page-hero-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 900; letter-spacing: 0.06em; text-transform: uppercase; position: relative;
}
.page-hero-sub { color: var(--color-text-muted); margin-top: var(--space-4); position: relative; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(3,1fr); }
  .trust-card:nth-child(4), .trust-card:nth-child(5) { display: none; }
  .products-grid { grid-template-columns: repeat(2,1fr); }
  .how-steps { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; padding-block: var(--space-12); text-align: center; }
  .hero-content { order: 2; }
  .hero-visual { order: 1; }
  .hero-logo-wrap { display: flex; justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-ctas { justify-content: center; }
  .hero-sub { margin: 0 auto var(--space-6); }
  .hero-badge { margin: 0 auto var(--space-5); }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .trust-card:nth-child(4), .trust-card:nth-child(5) { display: flex; }
  .trust-card:nth-child(5) { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .vip-inner { grid-template-columns: 1fr; }
  .vip-badge-wrap { display: none; }
  .vip-form { flex-direction: column; }
  .footer-inner { flex-direction: column; gap: var(--space-8); }
  .footer-links { flex-direction: column; gap: var(--space-8); }
  .how-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .trust-grid { grid-template-columns: 1fr; }
  .trust-card:nth-child(4), .trust-card:nth-child(5) { display: flex; }
  .how-steps { grid-template-columns: 1fr; }
}