/* brasilidades – Shared Stylesheet */

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

:root {
  --bg:        #111111;
  --surface:   #181818;
  --surface-2: #1f1f1f;
  --petrol:    #1e6478;
  --petrol-lo: #174f5f;
  --petrol-hi: #2a849e;
  --gold:      #c99a2e;
  --gold-lo:   #8f6e1c;
  --gold-hi:   #f0c04a;
  --coral:     #c1442c;
  --coral-lo:  #8f331f;
  --coral-hi:  #ff6b47;
  --green:     #2f8f52;
  --green-lo:  #1f6b3c;
  --green-hi:  #4fcf82;
  /* default page accent — overridden per dance style below */
  --accent:    var(--petrol);
  --accent-lo: var(--petrol-lo);
  --accent-hi: var(--petrol-hi);
  --text:      #e8e8e8;
  --muted:     #777777;
  --muted-2:   #484848;
  --border:    rgba(255,255,255,0.07);
  --nav-h:     64px;
}

/* Per-page accent themes */
body.theme-samba { --accent: var(--coral); --accent-lo: var(--coral-lo); --accent-hi: var(--coral-hi); }
body.theme-danca { --accent: var(--gold);  --accent-lo: var(--gold-lo);  --accent-hi: var(--gold-hi); }
body.theme-forro { --accent: var(--green); --accent-lo: var(--green-lo); --accent-hi: var(--green-hi); }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Utilities ── */
.container { max-width: 1080px; margin: 0 auto; }

.label {
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-hi);
  font-weight: 500;
}

.divider { height: 1px; background: var(--border); }

/* ── Nav ── */
nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  z-index: 1000;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
nav::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--petrol-hi), var(--gold-hi), var(--coral-hi), var(--green-hi));
}
nav.scrolled {
  background: rgba(17,17,17,.96);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text);
  text-decoration: none;
  letter-spacing: .02em;
  flex-shrink: 0;
}
.nav-center {
  display: flex;
  align-items: center;
  gap: .1rem;
  list-style: none;
}
.nav-center > li { position: relative; }

.nav-center > li > a,
.nav-center > li > button {
  display: flex;
  align-items: center;
  gap: .3rem;
  padding: .45rem .9rem;
  color: var(--muted);
  text-decoration: none;
  background: none;
  border: none;
  font-family: inherit;
  font-size: .83rem;
  font-weight: 400;
  letter-spacing: .03em;
  cursor: pointer;
  transition: color .2s;
  white-space: nowrap;
}
.nav-center > li > a:hover,
.nav-center > li > button:hover,
.nav-center > li > a.active { color: var(--text); }

/* Dropdown */
.dd-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: var(--surface);
  border: 1px solid var(--border);
  min-width: 210px;
  padding: .4rem 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.dropdown:hover .dd-menu,
.dropdown.open .dd-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.dd-menu a {
  display: block;
  padding: .6rem 1.2rem;
  color: var(--muted);
  text-decoration: none;
  font-size: .82rem;
  letter-spacing: .02em;
  transition: color .15s, background .15s;
}
.dd-menu a:hover,
.dd-menu a.active { color: var(--text); background: rgba(255,255,255,.03); }

.chevron {
  font-size: .6rem;
  display: inline-block;
  opacity: .5;
  transition: transform .2s;
}
.dropdown:hover .chevron,
.dropdown.open .chevron { transform: rotate(180deg); }

/* Language switcher */
.nav-right {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-shrink: 0;
}
.lang-sw {
  display: flex;
  align-items: center;
  gap: .45rem;
}
.lang-sw a,
.lang-sw .cur {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
  text-decoration: none;
  transition: color .2s;
  font-weight: 400;
  line-height: 1;
}
.lang-sw a:hover { color: var(--text); }
.lang-sw .cur { color: var(--accent-hi); }
.lang-sep { color: var(--muted-2); opacity: .35; font-size: .6rem; line-height: 1; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all .25s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

/* Mobile nav panel */
.mob-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(17,17,17,.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: .8rem 0 1.5rem;
  z-index: 999;
}
.mob-nav.open { display: block; }
.mob-cat {
  display: block;
  padding: .9rem 2rem .3rem;
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.mob-nav > a {
  display: block;
  padding: .65rem 2rem;
  color: var(--muted);
  text-decoration: none;
  font-size: .9rem;
  transition: color .15s;
}
.mob-sub a {
  display: block;
  padding: .55rem 2rem .55rem 3rem;
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  transition: color .15s;
}
.mob-nav > a:hover,
.mob-sub a:hover { color: var(--text); }
.mob-lang {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 2rem .2rem;
  border-top: 1px solid var(--border);
  margin-top: .5rem;
}
.mob-lang a,
.mob-lang .cur {
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
  text-decoration: none;
  transition: color .2s;
}
.mob-lang a:hover { color: var(--text); }
.mob-lang .cur { color: var(--accent-hi); }

/* ── Hero ── */
.hero {
  height: 100vh;
  min-height: 580px;
  display: flex;
  align-items: center;
  position: relative;
  padding: 0 2.5rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(17,17,17,1) 25%, rgba(17,17,17,.55) 65%, rgba(17,17,17,.2) 100%),
    url('https://upload.wikimedia.org/wikipedia/commons/1/1a/Brazilian_Carnival_Parade.jpg') center 75% / cover no-repeat;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
}
.hero-content .label { margin-bottom: 1.5rem; display: block; }
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero h1 em { font-style: italic; color: var(--accent-hi); }
.hero p {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 2.5rem;
  max-width: 420px;
  font-weight: 300;
}
.scroll-line {
  position: absolute;
  bottom: 0; left: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 2.5rem;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.scroll-line::before {
  content: '';
  display: block;
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--accent-lo));
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:.4} 50%{opacity:1} }

.photo-credit {
  position: absolute;
  bottom: 1rem;
  right: 2.5rem;
  z-index: 1;
  font-size: .62rem;
  letter-spacing: .03em;
  color: var(--muted-2);
  opacity: .8;
}
.photo-credit a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.2);
  transition: color .2s;
}
.photo-credit a:hover { color: var(--text); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .75rem 1.8rem;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: color .2s, border-color .2s;
}
.btn:hover { color: var(--text); border-color: rgba(255,255,255,.2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--text); }
.btn.primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn-arrow::after { content: '→'; font-size: .9em; }

/* ── Sections ── */
.section { padding: 7rem 2.5rem; }

.sec-head { margin-bottom: 3.5rem; }
.sec-head .label { margin-bottom: .9rem; display: block; }
.sec-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text);
}
.sec-title em { font-style: italic; color: var(--accent-hi); }
.sec-desc {
  margin-top: .9rem;
  color: var(--muted);
  font-size: .93rem;
  line-height: 1.85;
  max-width: 500px;
  font-weight: 300;
}

/* ── Course cards ── */
.kurse-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}
.k-card {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: background .2s;
  position: relative;
  text-decoration: none;
  display: block;
  color: inherit;
}
.k-card:last-child { border-right: none; }
.k-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.k-card:nth-child(2)::before { background: var(--gold); }
.k-card:nth-child(3)::before { background: var(--coral); }
.k-card:hover { background: var(--surface); }
.k-card:hover::before { transform: scaleX(1); }
.k-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  color: var(--surface-2);
  line-height: 1;
  margin-bottom: 1.2rem;
  user-select: none;
}
.k-card h3 {
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: .7rem;
  color: var(--text);
}
.k-card p { font-size: .85rem; color: var(--muted); line-height: 1.8; font-weight: 300; }

/* ── Dance cards ── */
.dance-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.d-card {
  background: var(--bg);
  padding: 2.8rem 2.2rem;
  cursor: pointer;
  transition: background .25s;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
  color: inherit;
}
.d-card:hover { background: var(--surface); }
.d-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-left: 2px solid var(--accent);
  opacity: .4;
  transition: opacity .25s;
  pointer-events: none;
}
.d-card:hover::after { opacity: 1; }
.d-card--samba { --accent: var(--coral); --accent-hi: var(--coral-hi); }
.d-card--danca { --accent: var(--gold); --accent-hi: var(--gold-hi); }
.d-card--forro { --accent: var(--green); --accent-hi: var(--green-hi); }
.d-tag {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-hi);
  opacity: .75;
  margin-bottom: 1.2rem;
}
.d-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: .9rem;
  line-height: 1.2;
  color: var(--text);
}
.d-card p {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.d-link {
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-hi);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: gap .2s;
}
.d-card:hover .d-link { gap: .7rem; }
.d-link::after { content: '→'; }

/* ── About grid ── */
.wir-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.wir-visual {
  aspect-ratio: 4/5;
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.wir-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: .55;
  transition: opacity .4s;
}
.wir-visual:hover .wir-img { opacity: .75; }
.wir-visual-inner {
  position: absolute;
  inset: 1.5rem;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 1.5rem;
}
.wir-visual-label {
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent-hi);
}
.wir-visual-line {
  position: absolute;
  top: 0; right: 0;
  width: 2px; height: 40%;
  background: var(--accent);
}
.wir-txt p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.95;
  font-weight: 300;
  margin-bottom: .9rem;
}

/* ── Location grid ── */
.wo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.wo-map {
  aspect-ratio: 4/3;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  color: var(--muted-2);
  font-size: .8rem;
  letter-spacing: .06em;
}
.wo-map-icon {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.wo-map-icon svg {
  width: 14px; height: 14px;
  stroke: var(--accent-hi);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.wo-info dt {
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-hi);
  margin-top: 1.8rem;
  margin-bottom: .4rem;
  font-weight: 500;
}
.wo-info dt:first-child { margin-top: 0; }
.wo-info dd {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.85;
  font-weight: 300;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
footer p { font-size: .78rem; color: var(--muted-2); letter-spacing: .03em; }

/* ── Subpage hero ── */
.sp-hero {
  padding: calc(var(--nav-h) + 5rem) 2.5rem 4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.sp-hero::after {
  content: '';
  position: absolute;
  top: var(--nav-h); right: 0;
  width: 2px; height: 120px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.sp-hero .label { margin-bottom: 1rem; display: block; }
.sp-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.sp-hero h1 em { font-style: italic; color: var(--accent-hi); }
.sp-hero > p,
.sp-hero p.lead {
  font-size: .9rem;
  color: var(--muted);
  max-width: 500px;
  font-weight: 300;
  line-height: 1.8;
}

/* Subpage back link */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color .2s;
}
.back-btn::before { content: '←'; }
.back-btn:hover { color: var(--text); }

/* Subpage body */
.sp-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 5rem 2.5rem 7rem;
}
.sp-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text);
  margin: 3rem 0 .8rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.sp-body h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.sp-body p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.95;
  margin-bottom: .8rem;
  font-weight: 300;
}
.sp-body ul { padding-left: 1.2rem; margin-bottom: .8rem; }
.sp-body li {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.9;
  font-weight: 300;
  margin-bottom: .2rem;
}
.sp-body li::marker { color: var(--accent-hi); }
.sp-body strong { color: var(--text); font-weight: 500; }

.info-block {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
}
.info-block p { margin-bottom: 0; }

.sp-body a,
.info-block a,
.wo-info a {
  color: var(--accent-hi);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.25);
  text-underline-offset: 3px;
  transition: color .2s, text-decoration-color .2s;
}
.sp-body a:hover,
.info-block a:hover,
.wo-info a:hover {
  color: var(--text);
  text-decoration-color: var(--accent-hi);
}

/* ── Language selector (root index) ── */
.lang-select {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: 2rem;
  text-align: center;
}
.lang-select .logo { font-size: 2rem; }
.lang-select .sub {
  font-size: .8rem;
  color: var(--muted-2);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.lang-options {
  display: flex;
  gap: 1px;
  background: var(--border);
  flex-wrap: wrap;
  justify-content: center;
}
.lang-option {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: 2.5rem 3.5rem;
  text-decoration: none;
  color: var(--muted);
  transition: background .2s, color .2s;
  min-width: 180px;
}
.lang-option:hover { background: var(--surface); color: var(--text); }
.lang-option strong {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text);
  display: block;
}
.lang-option span {
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.lang-option:hover strong { color: var(--accent-hi); }

/* ── Fade-in ── */
.fi {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.fi.d1 { transition-delay: .08s; }
.fi.d2 { transition-delay: .16s; }
.fi.d3 { transition-delay: .24s; }
.fi.vis { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .nav-center { display: none; }
  .hamburger  { display: flex; }
}
@media (max-width: 860px) {
  .kurse-grid { grid-template-columns: 1fr; }
  .k-card { border-right: none; border-bottom: 1px solid var(--border); }
  .k-card:last-child { border-bottom: none; }
  .dance-row { grid-template-columns: 1fr; }
  .wir-grid,
  .wo-grid   { grid-template-columns: 1fr; gap: 2.5rem; }
  .wir-visual { aspect-ratio: 16/9; }
}
@media (max-width: 560px) {
  .section   { padding: 5rem 1.5rem; }
  .sp-body   { padding: 4rem 1.5rem 6rem; }
  .sp-hero   { padding-left: 1.5rem; padding-right: 1.5rem; }
  nav        { padding: 0 1.5rem; }
  .hero      { padding: 0 1.5rem; }
  .scroll-line { left: 1.5rem; }
  .photo-credit { right: 1.5rem; max-width: 130px; text-align: right; line-height: 1.4; }
  footer     { flex-direction: column; gap: .8rem; text-align: center; }
  .lang-option { padding: 2rem 2.5rem; min-width: 140px; }
}