/* ============================================================
   Ananta Flow · anantastory.com
   Deep violet + gold + beige · meditative premium
   ============================================================ */

:root {
  --violet-deep: #3A2A6B;
  --violet: #4A3688;
  --amethyst: #7C6BB5;
  --amethyst-light: #9A8AD1;
  --beige: #E8DCC4;
  --beige-deep: #D9C9A8;
  --cream: #F4EEE2;
  --base: #1A1428;
  --base-deep: #120E1D;
  --glow-violet: #C9B8F0;
  --glow-gold: #E7CF95;

  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "EB Garamond", Georgia, serif;
  --font-ui: "Inter", system-ui, sans-serif;

  --max-w: 1180px;
  --header-h: 72px;
  --ease-soft: cubic-bezier(0.25, 0.6, 0.3, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  background: var(--base);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

::selection { background: rgba(124, 107, 181, 0.45); color: var(--cream); }

/* ---------- Particle canvas ---------- */
#flow-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* ---------- Shared type ---------- */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--beige-deep);
  margin-bottom: 1.1rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.12;
  color: var(--cream);
  margin-bottom: 1.4rem;
  letter-spacing: 0.01em;
}

.section {
  position: relative;
  z-index: 3;
  padding: clamp(4.5rem, 9vh, 7.5rem) clamp(1.25rem, 5vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 2.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.4s var(--ease-soft), box-shadow 0.4s var(--ease-soft), background 0.4s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-deep) 100%);
  color: var(--cream);
  border-color: rgba(201, 184, 240, 0.35);
  box-shadow: 0 0 24px rgba(124, 107, 181, 0.35), inset 0 1px 0 rgba(201, 184, 240, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 36px rgba(154, 138, 209, 0.5), inset 0 1px 0 rgba(201, 184, 240, 0.3);
}

.btn-gold {
  background: linear-gradient(135deg, var(--beige) 0%, var(--beige-deep) 100%);
  color: var(--violet-deep);
  box-shadow: 0 0 28px rgba(231, 207, 149, 0.28);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 40px rgba(231, 207, 149, 0.45);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--glow-gold);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(26, 20, 40, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(201, 184, 240, 0.09);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.brand-mark { width: 40px; height: 40px; filter: drop-shadow(0 0 8px rgba(154, 138, 209, 0.5)); }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cream);
}

.site-nav { display: flex; gap: 2rem; }
.site-nav a {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--beige);
  opacity: 0.82;
  transition: opacity 0.3s, color 0.3s;
}
.site-nav a:hover { opacity: 1; color: var(--glow-gold); }

.header-right { display: flex; align-items: center; gap: 1rem; }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
}
.lang-btn {
  background: none;
  border: none;
  color: var(--beige);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  opacity: 0.5;
  cursor: pointer;
  padding: 0.3rem 0.2rem;
  transition: opacity 0.3s, color 0.3s;
}
.lang-btn:hover { opacity: 0.85; }
.lang-btn.is-active { opacity: 1; color: var(--glow-gold); }
.lang-sep { color: var(--amethyst); opacity: 0.6; }

.nav-burger {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--beige);
  transition: transform 0.35s var(--ease-soft), opacity 0.3s;
}
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(4.25px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-4.25px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 3rem) 1.5rem 4rem;
  overflow: hidden;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../assets/flow-bg-horizontal.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.55;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 65% at 50% 45%, rgba(26, 20, 40, 0) 30%, rgba(26, 20, 40, 0.55) 78%, var(--base) 100%),
    linear-gradient(to bottom, rgba(26, 20, 40, 0.35), rgba(26, 20, 40, 0) 30%, rgba(26, 20, 40, 0) 70%, var(--base) 100%);
}

.hero-mandala {
  position: absolute;
  top: 50%; left: 50%;
  width: min(78vmin, 760px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  opacity: 0.85;
  pointer-events: none;
}
.hero-mandala img {
  width: 100%; height: 100%;
  animation: mandala-spin 240s linear infinite;
}
@keyframes mandala-spin {
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
}

.hero .eyebrow { color: var(--glow-gold); opacity: 0.9; }

.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.9rem, 8.5vw, 5.6rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--cream);
  text-shadow: 0 0 60px rgba(74, 54, 136, 0.8), 0 2px 24px rgba(18, 14, 29, 0.6);
  margin-bottom: 1.6rem;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--beige);
  max-width: 560px;
  margin: 0 auto 2.6rem;
  opacity: 0.92;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  width: 1px;
  height: 56px;
  overflow: hidden;
}
.hero-scroll-hint span {
  display: block;
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, var(--glow-gold), transparent);
  animation: hint-drift 2.8s ease-in-out infinite;
}
@keyframes hint-drift {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}

/* ---------- Directions cards ---------- */
.section-head { text-align: center; margin-bottom: 3.2rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.card {
  position: relative;
  background: linear-gradient(165deg, rgba(74, 54, 136, 0.28) 0%, rgba(26, 20, 40, 0.6) 70%);
  border: 1px solid rgba(154, 138, 209, 0.18);
  border-radius: 18px;
  padding: 2.2rem 1.6rem 1.9rem;
  text-align: center;
  overflow: hidden;
  transition: transform 0.55s var(--ease-soft), border-color 0.5s, box-shadow 0.55s var(--ease-soft);
  transform-style: preserve-3d;
  will-change: transform;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 55% at 50% 0%, rgba(201, 184, 240, 0.14), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.card:hover {
  border-color: rgba(231, 207, 149, 0.4);
  box-shadow: 0 14px 48px rgba(18, 14, 29, 0.65), 0 0 42px rgba(124, 107, 181, 0.28);
}
.card:hover::before { opacity: 1; }

.card-cover { position: absolute; inset: 0; z-index: 2; border-radius: inherit; }

.card-icon {
  width: 118px;
  height: 118px;
  margin: 0 auto 1.4rem;
  filter: drop-shadow(0 0 14px rgba(154, 138, 209, 0.45));
  transition: transform 0.6s var(--ease-soft), filter 0.6s;
}
.card:hover .card-icon {
  transform: translateZ(28px) scale(1.06);
  filter: drop-shadow(0 0 22px rgba(231, 207, 149, 0.55));
}

.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.55rem;
  letter-spacing: 0.03em;
  color: var(--cream);
  margin-bottom: 0.7rem;
}

.card p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--beige);
  opacity: 0.85;
  margin-bottom: 1.3rem;
}

.card-tag {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amethyst-light);
}
.card-tag-action { color: var(--glow-gold); }

.card-soon { opacity: 0.75; }
.card-soon .card-tag { color: var(--beige-deep); }

/* ---------- Event banner ---------- */
.event-banner {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}
.event-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
  padding: clamp(3.5rem, 7vh, 5.5rem) clamp(1.5rem, 5vw, 3rem);
  border-top: 1px solid rgba(231, 207, 149, 0.18);
  border-bottom: 1px solid rgba(231, 207, 149, 0.18);
  background:
    radial-gradient(ellipse 70% 100% at 50% 50%, rgba(74, 54, 136, 0.35), transparent 75%),
    linear-gradient(90deg, rgba(26, 20, 40, 0) 0%, rgba(58, 42, 107, 0.25) 50%, rgba(26, 20, 40, 0) 100%);
}

.event-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.2;
  color: var(--cream);
  max-width: 720px;
  margin: 0 auto 0.8rem;
}

.event-date {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--glow-gold);
  margin-bottom: 2.2rem;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.about-text p { margin-bottom: 1.2rem; color: var(--beige); opacity: 0.92; }
.about-text p:last-child { margin-bottom: 0; }

.founder-note {
  position: relative;
  border-left: 1px solid rgba(231, 207, 149, 0.4);
  padding: 0.6rem 0 0.6rem 1.8rem;
}
.founder-note blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--glow-violet);
  margin-bottom: 1.2rem;
}
.founder-note figcaption {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--beige-deep);
}

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact-inner { max-width: 520px; margin: 0 auto; }
.contact-sub { color: var(--beige); opacity: 0.88; margin-bottom: 2.6rem; }

#register-form { display: grid; gap: 1.3rem; text-align: left; }

.field label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--beige-deep);
  margin-bottom: 0.5rem;
}

.field input {
  width: 100%;
  background: rgba(58, 42, 107, 0.22);
  border: 1px solid rgba(154, 138, 209, 0.28);
  border-radius: 12px;
  padding: 0.95rem 1.1rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--cream);
  transition: border-color 0.35s, box-shadow 0.35s, background 0.35s;
}
.field input:focus {
  outline: none;
  border-color: rgba(231, 207, 149, 0.6);
  background: rgba(58, 42, 107, 0.32);
  box-shadow: 0 0 22px rgba(124, 107, 181, 0.3);
}
.field input::placeholder { color: rgba(232, 220, 196, 0.4); }

/* Honeypot hidden off-screen, not display:none (some bots check) */
.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
}

.btn-submit { width: 100%; margin-top: 0.4rem; }
.btn-submit[disabled] { opacity: 0.6; cursor: wait; transform: none; }

.form-msg {
  min-height: 1.4em;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  text-align: center;
  color: var(--beige-deep);
}
.form-msg.is-error { color: #E0A0A0; }

.form-success { padding: 2rem 0 0.5rem; }
.success-star {
  width: 88px; height: 88px;
  margin: 0 auto 1.2rem;
  animation: star-breathe 3.5s ease-in-out infinite;
}
@keyframes star-breathe {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.12); opacity: 1; }
}
.success-title {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 0.5rem;
}
.success-text { color: var(--beige); opacity: 0.85; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 3;
  border-top: 1px solid rgba(154, 138, 209, 0.14);
  background: var(--base-deep);
  padding: 3rem clamp(1.25rem, 5vw, 3rem) 2.4rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--cream);
  margin-bottom: 0.8rem;
}
.footer-brand img { width: 34px; height: 34px; opacity: 0.9; }
.footer-line { color: var(--beige); opacity: 0.7; font-size: 0.98rem; margin-bottom: 1.6rem; }
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 1.8rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--amethyst-light);
  opacity: 0.8;
}
.footer-social { display: inline-flex; gap: 1rem; }
.footer-social a {
  text-decoration: none;
  color: var(--beige-deep);
  transition: color 0.3s;
}
.footer-social a:hover { color: var(--glow-gold); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
    padding: 2.2rem 0 2.6rem;
    background: rgba(18, 14, 29, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(154, 138, 209, 0.15);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease-soft), transform 0.35s var(--ease-soft), visibility 0s 0.35s;
  }
  body.nav-open .site-nav {
    opacity: 1;
    transform: none;
    visibility: visible;
    transition-delay: 0s;
  }
  .nav-burger { display: flex; }

  .hero-bg { background-image: url("../assets/flow-bg-vertical.webp"); }
  .hero-mandala { width: 92vmin; }

  .about-grid { grid-template-columns: 1fr; }
  .founder-note { border-left: none; border-top: 1px solid rgba(231, 207, 149, 0.4); padding: 1.6rem 0 0; }
}

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .brand-name { font-size: 1.15rem; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mandala img { animation: none; }
  .hero-scroll-hint { display: none; }
  .success-star { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .card-icon, .btn { transition: none; }
  *, *::before, *::after { animation-duration: 0.001s !important; }
}