/* ==========================================================================
   Arthur Endy — Site Oficial
   ========================================================================== */

:root {
  --azul-peregrino: #253957;
  --azul-peregrino-dark: #182437;
  --azul-peregrino-light: #345278;
  --branco-linho: #f5f4f0;
  --preto: #14181f;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;

  --header-height: 76px;
  --container-width: 1180px;

  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--azul-peregrino);
  background: var(--branco-linho);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
}

p { margin: 0 0 1em; }

button { font-family: inherit; cursor: pointer; }

input, select, textarea { font-family: inherit; font-size: 1rem; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--branco-linho);
  color: var(--azul-peregrino);
  padding: 12px 20px;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1.5px solid transparent;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--branco-linho);
  color: var(--azul-peregrino);
}
.btn-primary:hover { background: #ffffff; }

.btn-solid {
  background: var(--azul-peregrino);
  color: var(--branco-linho);
}
.btn-solid:hover { background: var(--azul-peregrino-dark); }

.btn-outline {
  border-color: currentColor;
  color: var(--branco-linho);
}
.btn-outline:hover { background: rgba(245, 244, 240, 0.12); }

.btn-outline.btn-dark {
  color: var(--azul-peregrino);
}
.btn-outline.btn-dark:hover { background: rgba(37, 57, 87, 0.08); }

.btn-block { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-medium), box-shadow var(--transition-medium);
}

.site-header.scrolled {
  background: var(--azul-peregrino);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  color: var(--branco-linho);
}

.brand-logo { height: 22px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 40px;
}

.main-nav a {
  color: var(--branco-linho);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1.5px;
  background: currentColor;
  transition: width var(--transition-fast);
}

.main-nav a:hover::after { width: 100%; }

.header-social {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-social a { color: var(--branco-linho); opacity: 0.85; transition: opacity var(--transition-fast); }
.header-social a:hover { opacity: 1; }
.header-social img {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--branco-linho);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast), width var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 1023px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--azul-peregrino);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
  }
  .main-nav.open { max-height: 320px; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 24px;
  }
  .main-nav li {
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  .main-nav.open li {
    opacity: 1;
    transform: translateY(0);
  }
  .main-nav.open li:nth-child(1) { transition-delay: 0.06s; }
  .main-nav.open li:nth-child(2) { transition-delay: 0.12s; }
  .main-nav.open li:nth-child(3) { transition-delay: 0.18s; }
  .main-nav.open li:nth-child(4) { transition-delay: 0.24s; }
  .main-nav a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid rgba(245, 244, 240, 0.12);
  }
  .header-social { display: none; }
  .nav-toggle { display: flex; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: -3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(24, 36, 55, 0) 0%, rgba(24, 36, 55, 0) 72%, rgba(24, 36, 55, 0.55) 88%, rgba(24, 36, 55, 0.85) 100%);
  z-index: -2;
}

.hero-watermark {
  position: absolute;
  inset: 0;
  background-image: url('../assets/img/simbolo-watermark.svg');
  background-repeat: no-repeat;
  background-position: 105% 10%;
  background-size: 480px;
  opacity: 0.08;
  z-index: -1;
}

.hero-content {
  position: relative;
  max-width: var(--container-width);
  margin: 0 auto;
  text-align: center;
  color: var(--branco-linho);
  padding: calc(var(--header-height) + 320px) 24px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (min-width: 1280px) {
  .hero-content { padding-left: 40px; padding-right: 40px; }
}

.hero-symbol {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  opacity: 0.95;
}


.hero-subtitle {
  max-width: 46ch;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  color: rgba(245, 244, 240, 0.88);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.scroll-indicator {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(245, 244, 240, 0.6);
  border-radius: 20px;
}

.scroll-indicator span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  background: var(--branco-linho);
  border-radius: 2px;
  animation: scroll-hint 1.8s infinite;
}

@keyframes scroll-hint {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; }
}

/* ==========================================================================
   Sections — shared
   ========================================================================== */
.section {
  padding: 110px 0;
}

.section-alt {
  background: #ebe9e2;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  text-align: center;
  letter-spacing: 0.02em;
}

.section-title--left { text-align: left; }

.section-subtitle {
  text-align: center;
  max-width: 52ch;
  margin: 14px auto 56px;
  color: var(--azul-peregrino-light);
  font-size: 1.02rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Agenda
   ========================================================================== */
.empty-state {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  background: #ffffff;
  border-radius: 20px;
  padding: 56px 40px;
  box-shadow: 0 20px 50px -20px rgba(37, 57, 87, 0.2);
}

.empty-state-icon { margin: 0 auto 20px; }

.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.empty-state p {
  color: var(--azul-peregrino-light);
  margin-bottom: 28px;
}

/* ==========================================================================
   Midia
   ========================================================================== */
.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 72px;
}

@media (min-width: 1024px) {
  .media-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: stretch;
  }
}

.media-video, .media-spotify {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px -25px rgba(37, 57, 87, 0.4);
}

.media-spotify {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.media-spotify iframe { display: block; border-radius: 16px; }

.video-placeholder {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  aspect-ratio: 16 / 9;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--azul-peregrino), var(--azul-peregrino-dark));
  color: var(--branco-linho);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: filter var(--transition-fast);
}
.video-placeholder:hover { filter: brightness(1.12); }

.play-icon {
  width: 26px;
  height: 26px;
  padding: 20px;
  background: rgba(245, 244, 240, 0.15);
  border-radius: 50%;
  filter: brightness(0) invert(1);
}


.instagram-block h3 {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: 28px;
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

@media (min-width: 640px) {
  .instagram-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .instagram-grid { grid-template-columns: repeat(6, 1fr); }
}

.instagram-tile {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  display: block;
}

.instagram-tile img:first-child {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.instagram-tile:hover img:first-child { transform: scale(1.08); }

.instagram-tile-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 57, 87, 0);
  opacity: 0;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}
.instagram-tile-icon img {
  filter: brightness(0) invert(1);
}
.instagram-tile:hover .instagram-tile-icon {
  opacity: 1;
  background: rgba(37, 57, 87, 0.45);
}

.instagram-block { text-align: center; }

/* ==========================================================================
   Sobre
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}

.about-text p { color: var(--azul-peregrino); }
.about-text .section-title { margin-bottom: 24px; }
.about-text .btn { margin-top: 8px; }

.about-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.about-photo {
  aspect-ratio: 3 / 4;
  border-radius: 14px;
  overflow: hidden;
  background: var(--azul-peregrino);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Contato
   ========================================================================== */
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 20px 50px -20px rgba(37, 57, 87, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--azul-peregrino-light);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #d9d7cf;
  border-radius: 10px;
  background: var(--branco-linho);
  color: var(--azul-peregrino);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--azul-peregrino);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #b8433f;
}

.form-feedback {
  min-height: 1.4em;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  margin: 4px 0 20px;
}
.form-feedback.success { color: #2c6e49; }
.form-feedback.error { color: #b8433f; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--azul-peregrino-dark);
  color: var(--branco-linho);
  padding: 64px 0 32px;
  text-align: center;
}

.footer-logo {
  height: 26px;
  width: auto;
  margin: 0 auto 32px;
  opacity: 0.9;
}

.footer-streaming {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}
.footer-streaming a { opacity: 0.8; transition: opacity var(--transition-fast); }
.footer-streaming a:hover { opacity: 1; }
.footer-streaming img { filter: brightness(0) invert(1); }

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  margin-bottom: 32px;
  font-size: 0.92rem;
}
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}
.footer-contact a:hover { opacity: 1; }
.footer-contact img { filter: brightness(0) invert(1); }

.footer-copy {
  font-size: 0.8rem;
  color: rgba(245, 244, 240, 0.55);
  margin: 0;
}

/* ==========================================================================
   Responsive tweaks
   ========================================================================== */
@media (max-width: 639px) {
  .section { padding: 80px 0; }
  .contact-form { padding: 32px 24px; }
  .scroll-indicator { display: none; }
}

@media (min-width: 1280px) {
  .container { padding: 0 40px; }
}