/* --- RESET & VARIABLES --- */
:root {
  --bg-color: #0c0c0c; /* Deepest charcoal, almost black */
  --text-main: #e5e5e5;
  --text-muted: #888888;
  --accent-matcha: #c4d7b6; /* Pale, powdery matcha green */
  --accent-matcha-dark: #9faf92;
  --accent-matcha-deep: #7a8b6f; /* Deeper, richer matcha green - more traditional */
  --accent-matcha-deepest: #5d6b52; /* Deepest matcha green for strong accents */
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Lato', sans-serif;
  --font-jp: 'Noto Serif JP', serif;
  
  --spacing-section: 120px;
  --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
}

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

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(ellipse at 20% 30%, rgba(122, 139, 111, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(93, 107, 82, 0.03) 0%, transparent 60%),
    linear-gradient(180deg, transparent 0%, rgba(122, 139, 111, 0.01) 50%, transparent 100%);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.9; /* More Japanese spacing - ma (間) */
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Flowing wave pattern - subtle background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 100px,
      rgba(122, 139, 111, 0.008) 100px,
      rgba(122, 139, 111, 0.008) 102px
    );
  pointer-events: none;
  z-index: -2;
  opacity: 0.3;
  animation: flowWave 30s linear infinite;
}

@keyframes flowWave {
  0% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(20px) translateY(10px); }
  100% { transform: translateX(0) translateY(0); }
}

/* --- WASHI TEXTURE (CSS ONLY) --- */
/* Using SVG data URI for noise to simulate Washi paper without external images */
.washi-texture {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.15;
  background-image: 
    url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E'),
    linear-gradient(180deg, rgba(122, 139, 111, 0.03) 0%, transparent 50%);
  background-blend-mode: overlay;
  animation: subtlePulse 20s ease-in-out infinite;
}

@keyframes subtlePulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.18; }
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--text-main);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.narrow {
  max-width: 600px;
}

/* --- COMPONENTS --- */
.btn-primary {
  display: inline-block;
  background: var(--text-main);
  color: var(--bg-color);
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  border: 1px solid var(--text-main);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: transparent;
  color: var(--text-main);
}

.btn-outline {
  display: inline-block;
  border: 1px solid var(--text-muted);
  color: var(--text-main);
  padding: 0.8rem 1.5rem;
  font-size: 0.8rem;
  margin-top: 1rem;
  transition: border-color 0.3s;
}

.btn-outline {
  border-color: rgba(122, 139, 111, 0.4);
}
.btn-outline:hover {
  border-color: var(--accent-matcha-deep);
  background: rgba(122, 139, 111, 0.05);
}

/* --- HEADER --- */
.site-header {
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  width: 100%;
  z-index: 10;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

.nav-link {
  margin-right: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-matcha-deep);
  transition: width 0.3s ease;
}
.nav-link:hover {
  color: var(--accent-matcha-deep);
}
.nav-link:hover::after {
  width: 100%;
}

.btn-nav {
  font-size: 0.9rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
}
.btn-nav:hover {
  border-bottom: 1px solid var(--accent-matcha-deep);
  color: var(--accent-matcha-deep);
}

/* --- HERO --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10%;
  position: relative;
  padding-top: 120px; /* Add top padding to prevent content from touching top on mobile */
  overflow: hidden;
}

/* Flowing energy lines - Zen flow */
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  top: 20%;
  right: 15%;
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.2;
  transform: rotate(15deg);
  animation: flowLine1 8s ease-in-out infinite;
}

.hero::after {
  bottom: 30%;
  left: 10%;
  width: 150px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.15;
  transform: rotate(-10deg);
  animation: flowLine2 10s ease-in-out infinite;
}

@keyframes flowLine1 {
  0%, 100% { opacity: 0.2; transform: rotate(15deg) translateX(0); }
  50% { opacity: 0.3; transform: rotate(15deg) translateX(20px); }
}

@keyframes flowLine2 {
  0%, 100% { opacity: 0.15; transform: rotate(-10deg) translateX(0); }
  50% { opacity: 0.25; transform: rotate(-10deg) translateX(-15px); }
}

.hero-content {
  max-width: 500px;
  z-index: 2;
  position: relative;
}

/* Subtle flowing accent behind text */
.hero-content::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -30px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(122, 139, 111, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: gentleFlow 15s ease-in-out infinite;
}

@keyframes gentleFlow {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(10px, -10px) scale(1.1); opacity: 0.7; }
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 2.0;
  letter-spacing: 0.03em;
  position: relative;
  padding-left: 1rem;
}

/* Zen accent line */
.hero-sub::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.3;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.link-text {
  font-size: 0.9rem;
  color: var(--accent-matcha-deep);
  border-bottom: 1px solid rgba(122, 139, 111, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}
.link-text:hover {
  border-bottom-color: var(--accent-matcha-deep);
}

.hero-visual {
  position: relative;
  height: 400px;
  width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Vertical Japanese Text */
.vertical-text-group {
  position: absolute;
  right: -20px;
  top: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-jp);
  letter-spacing: 0.8em;
  color: var(--accent-matcha-deep);
  font-size: 0.9rem;
  opacity: 0.5;
  text-shadow: 0 0 10px rgba(122, 139, 111, 0.2);
  z-index: 2;
  animation: gentleFade 8s ease-in-out infinite;
}

.vertical-text-group .v-text {
  display: inline-block;
  transition: opacity 0.3s ease;
  animation: textFlow 12s ease-in-out infinite;
}

.vertical-text-group .v-text:nth-child(1) { animation-delay: 0s; }
.vertical-text-group .v-text:nth-child(2) { animation-delay: 0.2s; }
.vertical-text-group .v-text:nth-child(3) { animation-delay: 0.4s; }
.vertical-text-group .v-text:nth-child(4) { animation-delay: 0.6s; }
.vertical-text-group .v-text:nth-child(5) { animation-delay: 0.8s; }
.vertical-text-group .v-text:nth-child(6) { animation-delay: 1s; }

@keyframes gentleFade {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.7; }
}

@keyframes textFlow {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(-3px); opacity: 0.7; }
}

/* CSS Enso Circle */
.enso-circle {
  width: 250px;
  height: 250px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.enso-circle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 1px solid rgba(122, 139, 111, 0.1);
  border-radius: 50%;
  animation: pulseCircle 4s ease-in-out infinite;
}

.enso-circle::after {
  content: '';
  position: absolute;
  top: -10px; left: -10px; right: -10px; bottom: -10px;
  border: 2px solid var(--accent-matcha-deep);
  border-radius: 48% 52% 51% 49% / 53% 48% 52% 47%;
  opacity: 0.4;
  animation: rotateEnso 20s linear infinite, breatheEnso 6s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(122, 139, 111, 0.2);
}

@keyframes pulseCircle {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.2; }
}

@keyframes breatheEnso {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.6; }
}

@keyframes rotateEnso {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- CONCEPT --- */
.concept {
  padding: var(--spacing-section) 0;
  position: relative;
  overflow: hidden;
}

.concept::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.3;
  animation: lineGrow 2s ease-out;
}

@keyframes lineGrow {
  from { height: 0; opacity: 0; }
  to { height: 60px; opacity: 0.3; }
}

/* Flowing decorative elements */
.concept::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: 5%;
  width: 100px;
  height: 100px;
  border: 1px solid rgba(122, 139, 111, 0.1);
  border-radius: 50% 40% 60% 30%;
  animation: morphFlow 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes morphFlow {
  0%, 100% { border-radius: 50% 40% 60% 30%; transform: rotate(0deg); }
  25% { border-radius: 30% 60% 40% 50%; transform: rotate(90deg); }
  50% { border-radius: 60% 30% 50% 40%; transform: rotate(180deg); }
  75% { border-radius: 40% 50% 30% 60%; transform: rotate(270deg); }
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
  text-align: center;
}

.concept-item {
  position: relative;
  transition: transform 0.5s ease;
}

.concept-item:hover {
  transform: translateY(-5px);
}

.concept-item h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--accent-matcha-deep);
  border-bottom: 1px solid rgba(122, 139, 111, 0.3);
  padding-bottom: 0.5rem;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.concept-item h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-matcha-deep);
  transition: width 0.6s ease;
}

.concept-item:hover h3::after {
  width: 100%;
}

.concept-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- PRODUCTS (RITUALS) --- */
.products {
  padding: var(--spacing-section) 0;
  position: relative;
  overflow: hidden;
}

/* Subtle flowing background pattern */
.products::before {
  content: '';
  position: absolute;
  top: 20%;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(122, 139, 111, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatFlow 20s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes floatFlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-20px, 30px) scale(1.1); }
  66% { transform: translate(20px, -20px) scale(0.9); }
}

.section-title {
  text-align: center;
  position: relative;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.section-title::before,
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-matcha-deep), transparent);
  animation: lineExpand 1.5s ease-out;
}

.section-title::before {
  width: 0;
  animation: lineExpand 1.5s ease-out 0.3s forwards;
}

.section-title::after {
  width: 60px;
  opacity: 0.6;
}

@keyframes lineExpand {
  from { width: 0; opacity: 0; }
  to { width: 60px; opacity: 0.6; }
}

.section-desc {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 4rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(122, 139, 111, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transition: width 0.6s ease, height 0.6s ease;
  z-index: -1;
}

.product-card:hover::before {
  width: 400px;
  height: 400px;
}

/* CSS PACKAGES MOCKUPS */
.package-mock {
  width: 220px;
  height: 300px;
  background: linear-gradient(135deg, #1a1a1a 0%, #1f1f1f 100%);
  border-radius: 4px;
  position: relative;
  margin-bottom: 2rem;
  border: 1px solid rgba(122, 139, 111, 0.1);
  /* Pouch 3D Effect */
  box-shadow: 
      inset 0 0 30px rgba(0,0,0,0.8), /* Depth */
      inset 10px 0 10px rgba(122, 139, 111, 0.03), /* Left highlight with green tint */
      5px 10px 20px rgba(0,0,0,0.5),
      0 0 30px rgba(122, 139, 111, 0.1); /* Soft green glow */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.6s ease;
}

/* Flowing energy around package */
.package-mock::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, transparent, rgba(122, 139, 111, 0.1), transparent);
  border-radius: 6px;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.6s ease;
  animation: energyFlow 3s ease-in-out infinite;
}

@keyframes energyFlow {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.02); }
}

.package-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.package-mock:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 
      inset 0 0 30px rgba(0,0,0,0.8),
      inset 10px 0 10px rgba(122, 139, 111, 0.05),
      5px 15px 30px rgba(0,0,0,0.6),
      0 0 40px rgba(122, 139, 111, 0.3);
  border-color: rgba(122, 139, 111, 0.3);
}

.package-mock:hover::before {
  opacity: 0.4;
}

.label {
  width: 80%;
  height: 85%;
  border: 1px solid rgba(122, 139, 111, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  position: relative;
  background: rgba(122, 139, 111, 0.02);
}

.brand-small {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.kanji-char {
  font-family: var(--font-jp);
  font-size: 4rem;
  color: var(--accent-matcha-deep);
  font-weight: 200;
  text-shadow: 0 0 20px rgba(122, 139, 111, 0.3);
  filter: drop-shadow(0 2px 4px rgba(122, 139, 111, 0.2));
  position: relative;
  display: inline-block;
  transition: transform 0.5s ease;
  animation: kanjiBreath 4s ease-in-out infinite;
}

@keyframes kanjiBreath {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.02); opacity: 0.95; }
}

.package-mock:hover .kanji-char {
  animation: kanjiPulse 1s ease-in-out infinite;
}

@keyframes kanjiPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.english-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-matcha-deep);
  border-top: 1px solid rgba(122, 139, 111, 0.2);
  border-bottom: 1px solid rgba(122, 139, 111, 0.2);
  padding: 0.3rem 0;
  margin: 0.5rem 0;
}

.pkg-footer {
  display: flex;
  justify-content: space-between;
  width: 80%;
  font-size: 0.6rem;
  opacity: 0.5;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 5px;
}

/* Package Differences */
/* A: Shizuka - Circle */
.shizuka .deco-enso {
  width: 40px;
  height: 40px;
  border: 2px solid var(--accent-matcha-deep);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 0 10px rgba(122, 139, 111, 0.3);
}

/* B: Ma - Vertical Lines */
.ma .deco-lines {
  height: 50px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--accent-matcha-deep) 50%, var(--accent-matcha-deepest) 50%, transparent);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.6;
  box-shadow: 0 0 8px rgba(122, 139, 111, 0.4);
}

/* C: Sumi - Haze/Gradient */
.sumi .deco-haze {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: radial-gradient(circle at center, rgba(122, 139, 111, 0.15) 0%, rgba(93, 107, 82, 0.08) 40%, transparent 70%);
  pointer-events: none;
}

.product-info {
  text-align: center;
}
.product-info h4 {
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
}
.situation {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.copy {
  font-style: italic;
  font-family: var(--font-serif);
  margin-bottom: 0.5rem;
}

/* --- HOW TO / KIT --- */
.how-to {
  background: linear-gradient(180deg, rgba(122, 139, 111, 0.03) 0%, rgba(93, 107, 82, 0.01) 100%);
  padding: var(--spacing-section) 0;
  border-top: 1px solid rgba(122, 139, 111, 0.1);
  border-bottom: 1px solid rgba(122, 139, 111, 0.1);
  position: relative;
  overflow: hidden;
}

/* Flowing decorative wave */
.how-to::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -10%;
  width: 120%;
  height: 200px;
  background: radial-gradient(ellipse, rgba(122, 139, 111, 0.05) 0%, transparent 70%);
  transform: translateY(-50%) rotate(-5deg);
  animation: waveFlow 25s ease-in-out infinite;
  pointer-events: none;
}

@keyframes waveFlow {
  0%, 100% { transform: translateY(-50%) translateX(0) rotate(-5deg); }
  50% { transform: translateY(-50%) translateX(20px) rotate(-3deg); }
}

.kit-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.steps {
  list-style: none;
  margin: 2rem 0;
}
.steps li {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}
.steps strong {
  color: var(--text-main);
  font-weight: 400;
}
.kit-contents {
  font-size: 0.9rem;
  opacity: 0.7;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1rem;
}

.kit-visual {
  width: 300px;
  height: 300px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: center;
  align-items: center;
}
/* Abstract Chasen/Bowl shapes */
.abstract-bowl {
  width: 150px;
  height: 75px;
  border-bottom: 1px solid var(--text-muted);
  border-radius: 0 0 150px 150px;
}
.abstract-whisk {
  width: 2px;
  height: 80px;
  background: var(--text-muted);
  position: absolute;
  top: 90px;
}

/* --- WAITLIST --- */
.waitlist-section {
  padding: var(--spacing-section) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Flowing energy lines */
.waitlist-section::before,
.waitlist-section::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.waitlist-section::before {
  top: 10%;
  left: 10%;
  width: 150px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.2;
  transform: rotate(25deg);
  animation: waitlistFlow1 12s ease-in-out infinite;
}

.waitlist-section::after {
  bottom: 20%;
  right: 15%;
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.15;
  transform: rotate(-20deg);
  animation: waitlistFlow2 15s ease-in-out infinite;
}

@keyframes waitlistFlow1 {
  0%, 100% { opacity: 0.2; transform: rotate(25deg) translateX(0); }
  50% { opacity: 0.35; transform: rotate(25deg) translateX(30px); }
}

@keyframes waitlistFlow2 {
  0%, 100% { opacity: 0.15; transform: rotate(-20deg) translateX(0); }
  50% { opacity: 0.3; transform: rotate(-20deg) translateX(-25px); }
}

.progress-container {
  margin: 2rem auto;
  max-width: 400px;
  text-align: left;
}

.progress-stats {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.progress-bar-bg {
  width: 100%;
  height: 2px;
  background: #333;
  position: relative;
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-matcha-deep) 0%, var(--accent-matcha-deepest) 100%);
  transition: width 1s ease-out;
  box-shadow: 0 0 8px rgba(122, 139, 111, 0.4);
}

.waitlist-form {
  max-width: 400px;
  margin: 0 auto;
  text-align: left;
  position: relative;
  z-index: 1;
}

.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
input[type="email"], select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid #333;
  color: var(--text-main);
  padding: 0.5rem 0;
  font-family: var(--font-sans);
  font-size: 1rem;
}
input[type="email"]:focus, select:focus {
  outline: none;
  border-bottom-color: var(--accent-matcha-deep);
  box-shadow: 0 1px 0 rgba(122, 139, 111, 0.3);
}

.btn-submit {
  width: 100%;
  background: var(--accent-matcha-deep);
  color: #000;
  border: 1px solid var(--accent-matcha-deepest);
  padding: 1rem;
  font-weight: bold;
  cursor: pointer;
  margin-top: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(122, 139, 111, 0.2);
}
.btn-submit:hover {
  background: var(--accent-matcha-deepest);
  box-shadow: 0 4px 12px rgba(122, 139, 111, 0.3);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- FAQ & FOOTER --- */
.faq details {
  border-bottom: 1px solid rgba(122, 139, 111, 0.15);
  padding: 1.5rem 0;
  cursor: pointer;
  transition: border-color 0.3s ease;
}
.faq details:hover {
  border-bottom-color: rgba(122, 139, 111, 0.3);
}
.faq summary {
  font-size: 1.1rem;
  list-style: none;
  color: var(--text-main);
  transition: color 0.3s ease;
}
.faq details[open] summary {
  color: var(--accent-matcha-deep);
}
.faq p {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

footer {
  padding: 4rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: #444;
  border-top: 1px solid rgba(122, 139, 111, 0.15);
  background: linear-gradient(180deg, transparent 0%, rgba(122, 139, 111, 0.02) 100%);
  position: relative;
  overflow: hidden;
}

/* Final flowing element */
footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-matcha-deep), transparent);
  opacity: 0.2;
  animation: footerFlow 8s ease-in-out infinite;
}

@keyframes footerFlow {
  0%, 100% { opacity: 0.2; width: 200px; }
  50% { opacity: 0.4; width: 300px; }
}
.footer-brand {
  font-family: var(--font-serif);
  color: #666;
  margin-bottom: 1rem;
}
.socials a {
  margin: 0 0.5rem;
  color: #666;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .hero { 
    flex-direction: column; 
    text-align: center; 
    justify-content: center; 
    gap: 3rem;
    padding: 140px 2rem 4rem 2rem; /* More top padding on mobile, side padding */
    min-height: auto;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-visual {
    width: 100%;
    height: auto;
    max-width: 300px;
    margin: 0 auto;
  }
  .hero-cta { 
    justify-content: center; 
    flex-wrap: wrap;
    gap: 1rem;
  }
  .kit-layout { flex-direction: column; text-align: center; }
  .kit-visual { margin-top: 2rem; }
  .site-header { 
    padding: 1.5rem; 
    position: relative; /* Change from absolute on mobile for better spacing */
  }
  .container {
    padding: 0 1.5rem;
  }
  .product-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .concept-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  h2 {
    font-size: 2rem;
  }
  .section-desc {
    margin-bottom: 2rem;
  }
}

/* Animations */
.fade-in { 
  opacity: 0; 
  animation: fadeUp 1.2s var(--ease-out) forwards, gentleFloat 6s ease-in-out 1.2s infinite; 
}
.fade-in-delay { 
  opacity: 0; 
  animation: fadeUp 1.2s var(--ease-out) 0.3s forwards, gentleFloat 6s ease-in-out 1.5s infinite; 
}
.fade-in-delay-2 { 
  opacity: 0; 
  animation: fadeUp 1.2s var(--ease-out) 0.6s forwards, gentleFloat 6s ease-in-out 1.8s infinite; 
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}