/* ═══════════════════════════════════════════════════
   FOUNTAIN CUP — Clean White / Editorial Redesign
   Apple/Dyson minimal × Magazine serif × Inter
═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --white:      #FFFFFF;
  --off-white:  #FAFAF8;
  --surface:    #F4F4F1;
  --surface2:   #EDEDEA;
  --border:     #E2E2DC;
  --border2:    #CDCDC6;
  --black:      #0A0A0A;
  --ink:        #1A1A1A;
  --muted:      #6B6B6B;
  --faint:      #9E9E9E;
  --accent:     #1A1A1A;
  --gold:       #B8962E;
  --gold-light: #D4AE4E;
  --gold-pale:  #F0E6C8;
  --red:        #C0392B;

  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  --ease-silk:  cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce:cubic-bezier(0.34, 1.56, 0.64, 1);

  --radius:     2px;
  --max-w:      1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--border2); }

/* ── CURSOR ── */
.cursor {
  width: 8px; height: 8px;
  background: var(--black);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transition: transform 0.1s;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(0,0,0,0.25);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transition: transform 0.35s var(--ease-silk);
}
.cursor.hovered { transform: scale(2.5); background: var(--gold); }
.cursor-ring.hovered { opacity: 0; }

/* ── LOADER ── */
#loader {
  position: fixed; inset: 0;
  background: var(--white);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 2.5rem;
  transition: opacity 0.7s var(--ease-silk), visibility 0.7s;
}
#loader.hide { opacity: 0; visibility: hidden; }
.loader-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.3em;
  color: var(--black);
  opacity: 0;
  animation: fadeInUp 0.8s 0.4s forwards;
}
.loader-bar {
  width: 160px; height: 1px;
  background: var(--border);
  position: relative; overflow: hidden;
}
.loader-bar::after {
  content: '';
  position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: var(--black);
  animation: loadBar 1.6s var(--ease-expo) 0.2s forwards;
}
@keyframes loadBar { to { left: 0; } }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── NAVIGATION ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.6rem 4rem;
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.4s, padding 0.3s, box-shadow 0.3s;
  background: rgba(255,255,255,0);
}
nav.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  padding: 1rem 4rem;
  box-shadow: 0 1px 0 var(--border);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--black);
  text-decoration: none;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted); text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--black); }
.nav-cta {
  font-family: var(--font-sans);
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white); background: var(--black);
  padding: 0.65rem 1.6rem; border: 1px solid var(--black);
  text-decoration: none; cursor: pointer;
  transition: background 0.25s, color 0.25s;
}
.nav-cta:hover { background: var(--white); color: var(--black); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  background: var(--off-white);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,150,46,0.06) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.hero-content {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6rem; align-items: center;
  max-width: var(--max-w); width: 100%;
  padding: 0 4rem;
}
.hero-text { max-width: 560px; }
.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.8rem;
  opacity: 0; animation: fadeInUp 0.8s 2s forwards;
  display: flex; align-items: center; gap: 1rem;
}
.hero-eyebrow::before { content: ''; width: 2rem; height: 1px; background: var(--border2); }
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 5vw, 5.8rem);
  font-weight: 400; line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 1.8rem;
  opacity: 0; animation: fadeInUp 0.8s 2.2s forwards;
}
.hero-title em { font-style: italic; color: var(--gold); }
.hero-subtitle {
  font-size: 1rem; font-weight: 300; line-height: 1.8;
  color: var(--muted); margin-bottom: 2.8rem;
  opacity: 0; animation: fadeInUp 0.8s 2.4s forwards;
}
.hero-actions {
  display: flex; gap: 1rem; align-items: center;
  opacity: 0; animation: fadeInUp 0.8s 2.6s forwards;
}
.btn-primary {
  font-family: var(--font-sans);
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--white); background: var(--black);
  padding: 0.95rem 2.2rem; border: 1px solid var(--black);
  text-decoration: none; cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.2s;
  display: inline-block;
}
.btn-primary:hover { background: var(--ink); transform: translateY(-1px); }
.btn-ghost {
  font-family: var(--font-sans);
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--black); background: transparent;
  padding: 0.95rem 2.2rem; border: 1px solid var(--border2);
  text-decoration: none; cursor: pointer;
  transition: border-color 0.25s, transform 0.2s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--black); transform: translateY(-1px); }

/* ── HERO CANVAS ── */
.hero-visual {
  display: flex; align-items: center; justify-content: center;
  opacity: 0; animation: fadeIn 1s 2.5s forwards;
}
@keyframes fadeIn { to { opacity: 1; } }
#hero-canvas {
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.08));
}

/* ── SECTION BASE ── */
.section-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 8rem 4rem;
}
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.4rem;
}
.section-eyebrow::before { content: ''; width: 2rem; height: 1px; background: var(--border2); }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 3.8vw, 4rem);
  font-weight: 400; line-height: 1.1;
  color: var(--black); margin-bottom: 1.4rem;
}
.section-title em { font-style: italic; color: var(--gold); }
.section-body {
  font-size: 1rem; font-weight: 300; line-height: 1.85;
  color: var(--muted); max-width: 580px;
}
.gold-divider { width: 3rem; height: 1px; background: var(--gold); margin: 2rem 0; }

/* ── REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.9s var(--ease-expo), transform 0.9s var(--ease-expo);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── INNOVATION ── */
#innovation { background: var(--white); border-top: 1px solid var(--border); }
.innovation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; align-items: center; }
.innovation-features { margin-top: 3rem; display: flex; flex-direction: column; gap: 0; }
.feature-item {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.feature-item:first-child { border-top: 1px solid var(--border); }
.feature-num {
  font-family: var(--font-serif);
  font-size: 1.1rem; font-weight: 400;
  color: var(--faint); min-width: 2.2rem;
  padding-top: 0.1rem;
}
.feature-text h4 {
  font-family: var(--font-sans);
  font-size: 0.88rem; font-weight: 600;
  letter-spacing: 0.02em; color: var(--black);
  margin-bottom: 0.3rem;
}
.feature-text p { font-size: 0.84rem; line-height: 1.7; color: var(--muted); }

/* ── FOUNTAIN DEMO ── */
#fountain-demo { text-align: center; }
#fountain-canvas { background: var(--off-white); border: 1px solid var(--border); }

/* ── PRODUCTS ── */
#products { background: var(--off-white); border-top: 1px solid var(--border); }
.products-header { text-align: center; margin-bottom: 5rem; }
.products-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--border); }
.product-card {
  background: var(--white);
  padding: 3rem 2.5rem;
  position: relative; overflow: hidden;
  cursor: pointer;
  transition: background 0.3s;
}
.product-card:hover { background: var(--off-white); }
.product-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-silk);
  background: var(--black);
}
.product-card:hover::before { transform: scaleX(1); }
.product-icon { width: 100%; max-width: 160px; margin: 0 auto 2rem; display: block; }
.product-variant {
  font-family: var(--font-sans);
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.7rem;
}
.product-card h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem; font-weight: 400;
  line-height: 1.2; margin-bottom: 1rem; color: var(--black);
}
.product-card p { font-size: 0.875rem; line-height: 1.8; color: var(--muted); margin-bottom: 2rem; }
.product-features { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.product-features li {
  font-size: 0.8rem; color: var(--muted);
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.4rem 0; border-bottom: 1px solid var(--border);
}
.product-features li::before { content: ''; width: 1.2rem; height: 1px; background: var(--border2); flex-shrink: 0; }

/* ── COMMERCIAL ── */
#commercial { background: var(--white); border-top: 1px solid var(--border); }
.commercial-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--border); margin-top: 4rem; }
.commercial-card {
  background: var(--white);
  padding: 3rem;
  transition: background 0.3s;
}
.commercial-card:hover { background: var(--off-white); }
.commercial-icon { font-size: 2rem; margin-bottom: 1.2rem; display: block; }
.commercial-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem; font-weight: 400; color: var(--black);
  margin-bottom: 0.7rem;
}
.commercial-card p { font-size: 0.875rem; line-height: 1.8; color: var(--muted); }
.commercial-tag {
  display: inline-block; margin-top: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); padding: 0.3rem 0.8rem;
  border: 1px solid var(--border2);
}

/* ── SHOWCASE ── */
#showcase { background: var(--off-white); border-top: 1px solid var(--border); }
.showcase-inner { display: grid; grid-template-columns: 1fr 1fr; min-height: 75vh; align-items: stretch; }
.showcase-text {
  padding: 7rem 5rem 7rem 4rem;
  display: flex; flex-direction: column; justify-content: center;
}
.showcase-visual {
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; min-height: 500px;
  border-left: 1px solid var(--border);
}
.particle-field { position: absolute; inset: 0; }
.use-case-tabs {
  display: flex; gap: 0; margin: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  font-family: var(--font-sans);
  font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--faint); background: none; border: none;
  padding: 0.7rem 1.3rem; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}
.tab-btn.active { color: var(--black); border-color: var(--black); }
.tab-content { display: none; animation: fadeInUp 0.35s forwards; }
.tab-content.active { display: block; }
.use-case-title {
  font-family: var(--font-serif);
  font-size: 1.5rem; font-weight: 400; color: var(--black);
  margin-bottom: 0.9rem;
}
.use-case-desc { font-size: 0.875rem; line-height: 1.85; color: var(--muted); }
.use-case-stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; }
.stat-num {
  font-family: var(--font-serif);
  font-size: 2.5rem; font-weight: 400; color: var(--black); line-height: 1;
}
.stat-label { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.3rem; }

/* ── PATENT ── */
#patent { background: var(--surface); border-top: 1px solid var(--border); }
.patent-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; align-items: center; }
.patent-badge {
  display: inline-flex; align-items: center; gap: 0.7rem;
  padding: 0.5rem 1rem; margin-bottom: 2rem;
  border: 1px solid var(--border2);
  font-family: var(--font-sans);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
}
.patent-badge::before { content: '⬡'; font-size: 0.8rem; color: var(--gold); }
.claims-list { list-style: none; display: flex; flex-direction: column; gap: 0; margin-top: 2rem; }
.claims-list li {
  display: flex; gap: 1rem; align-items: flex-start;
  font-size: 0.875rem; line-height: 1.7; color: var(--muted);
  padding: 1rem 0; border-bottom: 1px solid var(--border);
}
.claims-list li:first-child { border-top: 1px solid var(--border); }
.claim-num {
  font-family: var(--font-serif);
  font-size: 1rem; color: var(--gold);
  min-width: 1.5rem; padding-top: 0.05rem;
}
.patent-box {
  padding: 3rem; border: 1px solid var(--border);
  background: var(--white); text-align: center;
}
.patent-box-label {
  font-family: var(--font-sans);
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}
.patent-box-number {
  font-family: var(--font-serif);
  font-size: 3.2rem; font-weight: 400; color: var(--black);
  line-height: 1.1; margin-bottom: 0.5rem;
}
.patent-box-sub { font-size: 0.8rem; color: var(--muted); margin-bottom: 2rem; }
.patent-stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 2rem;
  text-align: left; margin-top: 2rem;
  padding-top: 2rem; border-top: 1px solid var(--border);
}
.patent-stat-num {
  font-family: var(--font-serif);
  font-size: 2rem; font-weight: 400; color: var(--black);
}
.patent-stat-label { font-size: 0.7rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.2rem; }

/* ── CONTACT ── */
#contact { background: var(--white); border-top: 1px solid var(--border); }
.contact-inner { max-width: 640px; margin: 0 auto; padding: 8rem 2rem; text-align: center; }
.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 400; line-height: 1.1; color: var(--black); margin-bottom: 1.5rem;
}
.contact-body { font-size: 1rem; line-height: 1.85; color: var(--muted); margin-bottom: 3rem; }
.contact-form { display: flex; flex-direction: column; gap: 0.9rem; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.form-field {
  font-family: var(--font-sans); font-size: 0.875rem; color: var(--black);
  background: var(--off-white); border: 1px solid var(--border);
  padding: 0.9rem 1.1rem; width: 100%; outline: none;
  transition: border-color 0.2s;
}
.form-field:focus { border-color: var(--black); background: var(--white); }
.form-field::placeholder { color: var(--faint); }

/* ── MARQUEE ── */
.marquee-section { background: var(--black); padding: 0.85rem 0; overflow: hidden; }
.marquee-track {
  display: flex; gap: 3.5rem;
  animation: marquee 28s linear infinite; white-space: nowrap;
}
.marquee-item {
  font-family: var(--font-sans);
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  display: flex; align-items: center; gap: 1.5rem;
}
.marquee-item::after { content: '·'; color: var(--gold); font-size: 1rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── FOOTER ── */
footer { background: var(--black); padding: 5rem 4rem 3rem; }
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 4rem;
}
.footer-brand .nav-logo { display: block; margin-bottom: 1rem; color: var(--white); }
.footer-brand .nav-logo span { color: var(--gold); }
.footer-brand p { font-size: 0.825rem; line-height: 1.75; color: rgba(255,255,255,0.35); max-width: 280px; }
.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.3); margin-bottom: 1.2rem;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { font-size: 0.825rem; color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  max-width: var(--max-w); margin: 3rem auto 0;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.07);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 0.72rem; color: rgba(255,255,255,0.25); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .commercial-grid { grid-template-columns: 1fr; }
  .showcase-inner { grid-template-columns: 1fr; }
  .showcase-visual { min-height: 400px; }
  .patent-inner { grid-template-columns: 1fr; }
  nav { padding: 1.2rem 2rem; }
  nav.scrolled { padding: 0.9rem 2rem; }
  .section-inner { padding: 5rem 2rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .innovation-grid { grid-template-columns: 1fr; }
  .showcase-text { padding: 4rem 2rem; }
}

.product-card.floral .product-variant { color: #7A9E6A; }
.product-card.floral::before { background: #7A9E6A; }