/* ===========================
   ELIXEA – GLOBAL STYLES
   Palette: White · Black · Gold
=========================== */

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

:root {
  --gold: #C9A84C;
  --gold-light: #E8C96A;
  --gold-pale: #F5E9C8;
  --black: #0D0D0D;
  --white: #FAFAF8;
  --gray: #6B6B6B;
  --gray-light: #ECECEC;
  --font-display: 'Playfair Display', serif;
  --font-body: 'Montserrat', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- UTILITY ---- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.center { text-align: center; }
.section-tag {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-tag.center { text-align: center; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.25rem; }
h2 em { font-style: italic; color: var(--gold); }
p { color: var(--gray); margin-bottom: 1rem; }

a { text-decoration: none; color: inherit; }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  border: 2px solid var(--gold);
  transition: background 0.3s, color 0.3s;
}
.btn-primary:hover { background: transparent; color: var(--gold); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  border: 2px solid rgba(255,255,255,0.5);
  transition: border-color 0.3s, color 0.3s;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-link {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: opacity 0.3s;
}
.btn-link:hover { opacity: 0.7; }

/* ---- SOCIAL LINKS ---- */
.social-links {
  display: flex; gap: 1rem; margin-top: 1.5rem;
}
.social-link {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.social-link:hover { background: var(--gold); color: var(--black); }
.social-link svg { display: block; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 3rem;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  transition: padding 0.3s;
}
.navbar.scrolled { padding: 1rem 3rem; }

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.nav-links {
  display: flex; align-items: center; gap: 2.2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: rgba(255,255,255,0.75);
  transition: color 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute; top: 100%; left: 0;
  background: var(--black);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 0.5rem 0;
  min-width: 220px;
  list-style: none;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: block; padding: 0.6rem 1.2rem;
  font-size: 0.73rem; color: rgba(255,255,255,0.7);
  text-transform: none; letter-spacing: 0.05em;
}
.dropdown-menu li a:hover { color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--gold); transition: all 0.3s;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--black);
  position: relative; overflow: hidden;
  padding: 8rem 3rem 4rem;
  text-align: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(201,168,76,0.08) 0%, transparent 70%),
              radial-gradient(ellipse 40% 60% at 20% 80%, rgba(201,168,76,0.04) 0%, transparent 60%);
}
.hero-content {
  max-width: 700px; position: relative; z-index: 2;
  animation: fadeUp 0.9s ease both;
}
.hero-tag {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.25em;
  color: var(--gold); text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700; line-height: 1.05;
  color: var(--white); margin-bottom: 1.5rem;
}
.hero-title em { font-style: italic; color: var(--gold); }
.hero-sub { color: rgba(255,255,255,0.6); font-size: 1rem; max-width: 480px; margin: 0 auto 2.5rem; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* HERO VISUAL */
.hero-visual {
  flex: 0 0 360px; width: 360px;
  display: flex; justify-content: center; align-items: center;
  position: relative; z-index: 2;
  animation: fadeUp 0.9s 0.2s ease both;
}
.product-circle {
  position: relative; width: 320px; height: 420px;
  display: flex; align-items: center; justify-content: center;
}
.circle-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.2);
  animation: rotateSlow 20s linear infinite;
}
.ring1 { width: 100%; height: 100%; }
.ring2 { width: 75%; height: 75%; animation-direction: reverse; animation-duration: 15s; border-color: rgba(201,168,76,0.12); }
.ring3 { width: 50%; height: 50%; animation-duration: 10s; border-color: rgba(201,168,76,0.08); }

/* CSS Bottle */
.product-bottle {
  position: relative; z-index: 5;
  display: flex; flex-direction: column; align-items: center;
}
.bottle-cap {
  width: 32px; height: 28px;
  background: linear-gradient(135deg, #C9A84C, #8B6914);
  border-radius: 4px 4px 0 0;
}
.bottle-body {
  width: 88px; height: 220px;
  background: linear-gradient(160deg, #1a1a1a 0%, #0d0d0d 40%, #1a1a1a 100%);
  border: 1px solid rgba(201,168,76,0.4);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.bottle-body::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 12px;
  background: linear-gradient(90deg, rgba(201,168,76,0.15), transparent);
}
.bottle-label {
  display: flex; flex-direction: column; align-items: center;
  gap: 4px; padding: 1rem 0.4rem; text-align: center;
}
.bl-brand {
  font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.2em; color: var(--gold);
}
.bl-name { font-size: 0.55rem; letter-spacing: 0.08em; color: rgba(255,255,255,0.75); line-height: 1.4; }
.bl-vol { font-size: 0.5rem; color: rgba(255,255,255,0.4); letter-spacing: 0.1em; }

/* ---- BADGES ---- */
.badges {
  background: var(--gold);
  padding: 1.4rem 2rem;
}
.badge-wrap {
  max-width: 1160px; margin: 0 auto;
  display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap;
}
.badge {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--black);
}
.badge-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--black); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
}

/* ---- BRAND INTRO ---- */
.brand-intro { padding: 7rem 2rem; }
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.brand-text h2 { margin-bottom: 1.2rem; }
.brand-accent {
  display: flex; flex-direction: column; gap: 2rem;
  align-items: flex-start;
}
.accent-box {
  border-left: 3px solid var(--gold);
  padding: 1rem 1.5rem;
}
.accent-number {
  font-family: var(--font-display);
  font-size: 4rem; font-weight: 700;
  color: var(--gold); line-height: 1;
}
.accent-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); }

/* ---- FEATURED PRODUCT ---- */
.featured-product {
  background: var(--black); padding: 7rem 2rem;
}
.featured-product h2 { color: var(--white); }
.ingredient-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin-top: 3.5rem;
}
.ingredient-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(201,168,76,0.2);
  padding: 2rem 1.5rem;
  transition: border-color 0.3s, transform 0.3s;
}
.ingredient-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.ing-percent {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 700;
  color: var(--gold); line-height: 1;
  margin-bottom: 0.4rem;
}
.ing-name { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; color: var(--white); margin-bottom: 0.75rem; }
.ing-desc { font-size: 0.8rem; color: rgba(255,255,255,0.45); line-height: 1.6; }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  background: var(--black);
  padding: 10rem 2rem 5rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(201,168,76,0.07) 0%, transparent 70%);
}
.page-hero h1 { color: var(--white); font-size: clamp(2.5rem, 5vw, 4rem); position: relative; z-index: 1; }
.page-hero p { color: rgba(255,255,255,0.55); max-width: 540px; margin: 1rem auto 0; position: relative; z-index: 1; }
.page-hero .section-tag { position: relative; z-index: 1; }

/* ---- CONTENT SECTIONS ---- */
.content-section { padding: 6rem 2rem; }
.content-section.alt { background: #F9F6F0; }

/* About page */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.values-list { list-style: none; margin-top: 1.5rem; }
.values-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.05em;
  display: flex; align-items: center; gap: 0.75rem;
}
.values-list li::before { content: '◆'; color: var(--gold); font-size: 0.5rem; }

/* Product page */
.product-hero { background: var(--black); padding: 10rem 2rem 6rem; }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; max-width: 1160px; margin: 0 auto; }
.product-visual-wrap { display: flex; justify-content: center; align-items: center; padding: 3rem; }
.product-visual-large {
  width: 260px; height: 400px;
  background: linear-gradient(160deg, #1e1e1e 0%, #0a0a0a 50%, #1e1e1e 100%);
  border: 1px solid rgba(201,168,76,0.35);
  border-radius: 6px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.product-visual-large::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 20px;
  background: linear-gradient(90deg, rgba(201,168,76,0.12), transparent);
}
.product-visual-large::after {
  content: ''; position: absolute; right: 0; top: 0; bottom: 0; width: 1px;
  background: rgba(201,168,76,0.1);
}
.pvl-brand { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: 0.25em; color: var(--gold); }
.pvl-gold-line { width: 50px; height: 1px; background: var(--gold); margin: 0.8rem 0; opacity: 0.5; }
.pvl-name { font-size: 0.7rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.6); text-align: center; line-height: 1.6; }
.pvl-vol { font-size: 0.6rem; color: rgba(255,255,255,0.3); margin-top: 1rem; }

.product-info { color: var(--white); padding-top: 2rem; }
.product-info h1 { color: var(--white); font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 1rem; }
.product-info .desc { color: rgba(255,255,255,0.6); margin-bottom: 2rem; }
.ingredient-list { list-style: none; margin-bottom: 2rem; }
.ingredient-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: grid; grid-template-columns: 50px 1fr;
  gap: 1rem; align-items: start;
}
.ing-pct { font-family: var(--font-display); font-size: 1.2rem; color: var(--gold); font-weight: 700; }
.ing-info strong { display: block; font-size: 0.8rem; letter-spacing: 0.08em; color: var(--white); margin-bottom: 0.2rem; }
.ing-info span { font-size: 0.75rem; color: rgba(255,255,255,0.45); }

.benefit-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; }
.benefit-tag {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
  padding: 0.4rem 1rem; border: 1px solid rgba(201,168,76,0.35);
  color: var(--gold); text-transform: uppercase;
}

/* Science page */
.science-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 3rem; }
.science-card {
  padding: 2.5rem;
  border: 1px solid var(--gray-light);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.science-card:hover { border-color: var(--gold); box-shadow: 0 4px 20px rgba(201,168,76,0.08); }
.sc-name { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 0.4rem; }
.sc-sub { font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.sc-desc { font-size: 0.85rem; }

.formula-banner {
  background: var(--black); padding: 5rem 2rem; text-align: center;
}
.formula-banner h2 { color: var(--white); margin-bottom: 1rem; }
.formula-banner p { color: rgba(255,255,255,0.5); max-width: 600px; margin: 0 auto; }
.formula-eq {
  margin: 3rem auto;
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.6);
  max-width: 700px;
  line-height: 2.5;
}
.formula-eq span { color: var(--gold); font-style: italic; }

/* FAQ page */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-light); }
.faq-q {
  width: 100%; background: none; border: none;
  text-align: left; padding: 1.4rem 0;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer;
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  color: var(--black);
}
.faq-q:hover { color: var(--gold); }
.faq-icon { font-size: 1.3rem; color: var(--gold); transition: transform 0.3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  font-size: 0.9rem; color: var(--gray);
  transition: max-height 0.35s ease, padding 0.35s;
}
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 1.2rem; }

/* Contact page */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.contact-info h2 { margin-bottom: 1rem; }
.contact-detail { margin: 2rem 0; }
.contact-detail p { margin: 0; font-size: 0.85rem; }
.contact-detail strong { display: block; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.3rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.85rem 1rem;
  border: 1px solid var(--gray-light);
  background: var(--white);
  font-family: var(--font-body); font-size: 0.9rem;
  color: var(--black);
  outline: none;
  transition: border-color 0.3s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-success { display: none; padding: 1rem; background: var(--gold-pale); border-left: 3px solid var(--gold); font-size: 0.85rem; color: var(--black); }

/* Legal pages */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h3 { font-family: var(--font-display); font-size: 1.2rem; margin: 2rem 0 0.75rem; color: var(--black); }
.legal-content p, .legal-content li { font-size: 0.9rem; color: var(--gray); }
.legal-content ul { margin: 0.75rem 0 0.75rem 1.5rem; }
.legal-content ul li { margin-bottom: 0.3rem; }

/* ---- FOOTER ---- */
.footer { background: var(--black); padding: 5rem 2rem 0; }
.footer-inner {
  max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem; padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-logo { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.2em; color: var(--gold); margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-links h4, .footer-contact h4 {
  font-family: var(--font-body); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1.2rem;
}
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 0.6rem; }
.footer-links ul li a { font-size: 0.8rem; color: rgba(255,255,255,0.45); transition: color 0.3s; }
.footer-links ul li a:hover { color: var(--gold); }
.footer-contact p { font-size: 0.82rem; color: rgba(255,255,255,0.45); margin-bottom: 0.4rem; }
.footer-bottom { max-width: 1160px; margin: 0 auto; padding: 1.5rem 0; }
.footer-bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.2); margin: 0; }

/* Real product image */
.product-real-img {
  position: relative; z-index: 5;
  width: 240px; height: 360px;
  object-fit: contain;
  display: block;
  animation: floatImg 4s ease-in-out infinite;
}
@keyframes floatImg {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .navbar { padding: 1.2rem 1.5rem; }
  .nav-links { display: none; flex-direction: column; position: fixed; top: 0; right: 0; bottom: 0; width: 260px; background: var(--black); padding: 5rem 2rem 2rem; gap: 1.5rem; border-left: 1px solid rgba(201,168,76,0.15); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { flex-direction: column; padding: 7rem 1.5rem 4rem; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-visual { display: none; }
  .two-col, .about-grid, .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .ingredient-grid { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: 1fr; }
  .product-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .badge-wrap { gap: 1.5rem; }
}
@media (max-width: 540px) {
  .ingredient-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  h2 { font-size: 1.8rem; }
}