/* TantraÔ — brand styles */

@font-face {
  font-family: "The Seasons";
  src:
    local("The Seasons"),
    local("TheSeasons"),
    local("the-seasons"),
    url("/fonts/TheSeasons-Regular.woff2") format("woff2"),
    url("/fonts/TheSeasons-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "The Seasons";
  src:
    local("The Seasons Italic"),
    local("TheSeasons-Italic"),
    url("/fonts/TheSeasons-Italic.woff2") format("woff2"),
    url("/fonts/TheSeasons-Italic.woff") format("woff");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  --pink: #ff1493;
  --violet: #8647bf;
  --teal: #2e949b;
  --gold: #f9b300;
  --white: #ffffff;
  --ink: #1a1218;
  --ink-soft: #4a3d46;
  --mist: #faf7f9;
  --line: color-mix(in srgb, var(--violet) 14%, transparent);
  --font-display: "The Seasons", "Cormorant Garamond", "Palatino Linotype", Palatino, serif;
  --font-body: "Open Sans", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 100% -10%, color-mix(in srgb, var(--pink) 10%, transparent), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, color-mix(in srgb, var(--teal) 9%, transparent), transparent 55%),
    radial-gradient(800px 480px at 90% 70%, color-mix(in srgb, var(--gold) 8%, transparent), transparent 50%),
    var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--pink);
}

:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--pink);
  color: var(--white);
  padding: 0.6rem 1rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* —— Nav —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s;
}

.site-header.is-scrolled,
.site-header.menu-open {
  background: color-mix(in srgb, var(--white) 88%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header.is-scrolled .nav-logo-light,
.site-header.menu-open .nav-logo-light {
  opacity: 0;
}

.site-header.is-scrolled .nav-logo-color,
.site-header.menu-open .nav-logo-color {
  opacity: 1;
}

.site-header.is-scrolled .nav-links a,
.site-header.is-scrolled .lang-btn,
.site-header.is-scrolled .menu-toggle,
.site-header.menu-open .nav-links a,
.site-header.menu-open .lang-btn,
.site-header.menu-open .menu-toggle {
  color: var(--ink);
}

.nav-inner {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  position: relative;
  display: block;
  width: clamp(7.5rem, 16vw, 9.5rem);
  height: 2.4rem;
}

.nav-brand img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.35s var(--ease);
}

.nav-logo-color {
  opacity: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 999px;
  overflow: hidden;
}

.lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--white);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn[aria-pressed="true"] {
  background: var(--pink);
  color: var(--white);
}

.menu-toggle {
  display: none;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--white);
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  margin: 0.28rem auto;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.site-header.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.site-header.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 28%;
  transform: scale(1.06);
  animation: hero-drift 22s var(--ease) infinite alternate;
}

@keyframes hero-drift {
  from {
    transform: scale(1.06) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.12) translate3d(-1.5%, -1%, 0);
  }
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ink) 45%, transparent) 0%, color-mix(in srgb, var(--ink) 18%, transparent) 38%, color-mix(in srgb, var(--ink) 72%, transparent) 100%),
    linear-gradient(90deg, color-mix(in srgb, var(--violet) 28%, transparent), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: calc(var(--nav-h) + 2rem) 0 4.5rem;
}

.hero-logo {
  width: min(22rem, 82vw);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 1s var(--ease) 0.15s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 0.85rem;
  max-width: 18ch;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 1s var(--ease) 0.35s forwards;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: color-mix(in srgb, var(--white) 90%, transparent);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 1s var(--ease) 0.5s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 1s var(--ease) 0.65s forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.9rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
  color: inherit;
}

.btn-primary {
  background: var(--pink);
  color: var(--white);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--pink) 85%, black);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  border-color: color-mix(in srgb, var(--white) 65%, transparent);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: color-mix(in srgb, var(--white) 12%, transparent);
  color: var(--white);
}

.btn-dark {
  background: var(--violet);
  color: var(--white);
}

.btn-dark:hover {
  background: color-mix(in srgb, var(--violet) 85%, black);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border-color: var(--violet);
  color: var(--violet);
}

.btn-outline:hover {
  background: var(--violet);
  color: var(--white);
}

/* —— Sections —— */
.section {
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.section-kicker {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  color: var(--ink);
}

.section-lead {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— About —— */
#about {
  background: color-mix(in srgb, var(--pink) 7%, var(--white));
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(12rem, 18rem);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-visual {
  position: relative;
  width: 100%;
  max-width: 17rem;
  margin-inline: auto;
  aspect-ratio: 4 / 5;
}

.about-visual-slab {
  position: absolute;
  inset: 12% -10% -8% 18%;
  background: linear-gradient(160deg, var(--gold), color-mix(in srgb, var(--pink) 70%, var(--violet)));
  z-index: 0;
}

.about-visual-frame {
  position: absolute;
  inset: 0 8% 8% 0;
  margin: 0;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 18px 40px color-mix(in srgb, var(--ink) 12%, transparent);
}

.about-visual-frame picture,
.about-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  display: block;
  transition: transform 0.8s var(--ease);
}

.about-visual:hover .about-visual-frame img {
  transform: scale(1.04);
}

.about-copy p {
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.about-meta {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.about-meta strong {
  color: var(--violet);
  font-weight: 700;
}

/* —— Vision / Cadre —— */
.vision {
  background: color-mix(in srgb, var(--teal) 9%, var(--white));
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 1.75rem;
  margin-top: 2.5rem;
}

.vision-item {
  padding-top: 1.25rem;
  border-top: 2px solid var(--gold);
}

.vision-item:nth-child(2) {
  border-top-color: var(--pink);
}

.vision-item h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
  margin: 0 0 0.65rem;
}

.vision-item p {
  margin: 0;
  color: var(--ink-soft);
}

.container-section {
  background: color-mix(in srgb, var(--violet) 8%, var(--white));
}

.cadre-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.cadre-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.cadre-mark {
  width: 0.65rem;
  height: 0.65rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--pink);
}

.cadre-list li:nth-child(2) .cadre-mark {
  background: var(--violet);
}

.cadre-list li:nth-child(3) .cadre-mark {
  background: var(--teal);
}

.cadre-list li:nth-child(4) .cadre-mark {
  background: var(--gold);
}

.cadre-list strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1.02rem;
}

.cadre-list p {
  margin: 0;
  color: var(--ink-soft);
}

/* —— FAQ —— */
.faq-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 0;
  font-weight: 650;
  font-size: 1.05rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.35rem;
  color: var(--pink);
  font-weight: 400;
  transition: transform 0.25s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
  max-width: 48rem;
}

/* —— Calendar —— */
.calendar-intro {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 2rem;
}

.event {
  border: 1px solid var(--line);
  background: var(--white);
}

.event-summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  padding: 1.35rem 1.4rem;
  align-items: center;
}

.event-summary:not(:has(.event-thumb)) {
  grid-template-columns: 1fr auto;
}

.event-thumb {
  width: 5.5rem;
  min-height: 5.5rem;
  max-height: 7rem;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--mist) 80%, white);
}

.event-thumb img {
  width: 100%;
  height: auto;
  max-height: 7rem;
  object-fit: contain;
  display: block;
}

.event-hero-image {
  margin: 0 0 1.25rem;
  display: flex;
  justify-content: center;
  background: color-mix(in srgb, var(--mist) 70%, white);
}

.event-hero-image img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center;
  display: block;
}

.event-summary::-webkit-details-marker {
  display: none;
}

.event-date {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet);
}

.event-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  margin: 0;
  line-height: 1.2;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 650;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.chip-past {
  border-color: color-mix(in srgb, var(--ink) 18%, transparent);
  color: var(--ink-soft);
}

.chip-price {
  border-color: color-mix(in srgb, var(--gold) 55%, transparent);
  color: color-mix(in srgb, var(--ink) 80%, var(--gold));
}

.event-toggle {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pink);
  white-space: nowrap;
}

.event-body {
  padding: 0 1.4rem 1.6rem;
  border-top: 1px solid var(--line);
}

.event-body-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  padding-top: 1.35rem;
}

.event-body h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 1.4rem 0 0.55rem;
}

.event-body h4:first-child {
  margin-top: 0;
}

.event-body p,
.event-body li {
  color: var(--ink-soft);
}

.event-body ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
}

.event-aside {
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--mist) 90%, white), color-mix(in srgb, var(--gold) 8%, white));
  padding: 1.25rem;
}

.event-aside p {
  margin: 0 0 0.85rem;
}

.event-aside p:last-child {
  margin-bottom: 0;
}

.event-aside strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.empty-calendar {
  padding: 2rem 0;
  color: var(--ink-soft);
}

.faq-section {
  background: color-mix(in srgb, var(--gold) 10%, var(--white));
}

.calendar-section {
  background: var(--white);
}

/* —— Contact —— */
.contact {
  background: color-mix(in srgb, var(--teal) 8%, color-mix(in srgb, var(--pink) 4%, var(--white)));
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.contact-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--white) 88%, transparent);
  backdrop-filter: blur(6px);
  transition: border-color 0.2s, transform 0.25s var(--ease), color 0.2s;
}

.contact-channel:hover {
  border-color: color-mix(in srgb, var(--pink) 45%, var(--line));
  transform: translateY(-2px);
  color: inherit;
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  color: var(--pink);
  background: color-mix(in srgb, var(--pink) 8%, white);
}

.contact-channel:nth-child(2) .contact-icon,
.contact-channels li:nth-child(2) .contact-icon {
  color: var(--violet);
  background: color-mix(in srgb, var(--violet) 8%, white);
}

.contact-channels li:nth-child(3) .contact-icon {
  color: var(--teal);
  background: color-mix(in srgb, var(--teal) 10%, white);
}

.contact-channel-text {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.contact-channel-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.contact-channel-value {
  font-weight: 650;
  font-size: 1.02rem;
  overflow-wrap: anywhere;
}

.contact-visual {
  position: relative;
  width: min(100%, 17rem);
  margin-inline: auto;
  aspect-ratio: 1;
}

.contact-visual-frame {
  position: absolute;
  inset: 8%;
  margin: 0;
  overflow: hidden;
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 16px 36px color-mix(in srgb, var(--ink) 14%, transparent);
}

.contact-visual-frame picture,
.contact-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  display: block;
  transition: transform 0.8s var(--ease);
}

.contact-visual:hover .contact-visual-frame img {
  transform: scale(1.05);
}

.contact-visual-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--teal) 55%, transparent);
  z-index: 0;
  transform: rotate(-8deg) scale(1.02);
}

.contact-visual-ring::before {
  content: "";
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  border: 2px dashed color-mix(in srgb, var(--pink) 40%, transparent);
  transform: rotate(18deg);
}

/* —— Footer —— */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--violet) 6%, var(--mist));
}

.footer-inner {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-brand {
  width: 8.5rem;
}

.footer-copy {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  font-weight: 650;
  text-decoration: none;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    max-width: 14rem;
    order: -1;
  }

  .contact-visual {
    max-width: 14rem;
  }

  .vision-grid,
  .event-body-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .site-header.menu-open .nav-links {
    display: flex;
  }

  .nav-links a {
    color: var(--ink);
    padding: 0.9rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .hero-content {
    padding-bottom: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .hero-logo,
  .hero-title,
  .hero-lead,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}