/* ============================================================
   AMPLOMIND — Style Sheet
   Palette: extraída do logo — Navy-Teal | Copper-Orange | Deep Teal
   ============================================================ */

:root {
  --blue:       #080e14;
  --blue-mid:   #0c1820;
  --blue-light: #13262f;
  --blue-ui:    #1a3040;
  --amber:      #e8611a;
  --amber-dark: #c44e10;
  --teal:       #00b896;
  --teal-dim:   rgba(0, 184, 150, 0.15);
  --silver:     #8aabb0;
  --silver-dim: #3d6068;
  --white:      #eef6f8;
  --white-dim:  rgba(238, 246, 248, 0.07);

  --font:   'Archivo', system-ui, sans-serif;
  --radius: 4px;
  --trans:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w:  1200px;
  --grid-line: rgba(148, 163, 184, 0.06);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--blue);
  color: var(--white);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; background: none; border: none; font-family: inherit; color: inherit; }

/* ── Utility ── */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; position: relative; }

.section__label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section__label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--teal);
}
.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
}
.section__title em {
  font-style: normal;
  color: var(--amber);
}
.section__header { margin-bottom: 4rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--trans);
}
.btn--primary {
  background: var(--amber);
  color: var(--blue);
}
.btn--primary:hover {
  background: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.3);
}
.btn--ghost {
  border: 1px solid var(--silver-dim);
  color: var(--silver);
}
.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}
.btn--full { width: 100%; justify-content: center; }

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.8rem;
  background: var(--white-dim);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
  transition: var(--trans);
}
.tag:hover { border-color: var(--teal); color: var(--teal); }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  transition: var(--trans);
}
.nav.scrolled {
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grid-line);
  padding: 0.9rem 2.5rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.nav__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.nav__logo-text {
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--white);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
  transition: var(--trans);
}
.nav__links a:hover { color: var(--white); }
.nav__cta {
  padding: 0.45rem 1.25rem;
  border: 1px solid var(--amber) !important;
  color: var(--amber) !important;
  border-radius: var(--radius);
}
.nav__cta:hover {
  background: var(--amber) !important;
  color: var(--blue) !important;
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--silver);
  transition: var(--trans);
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 2.5rem;
}
.hero__label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero__label::before {
  content: '';
  display: block;
  width: 3rem;
  height: 1px;
  background: var(--teal);
}
.hero__title {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}
.hero__title-main { color: var(--white); }
.hero__title-accent { color: var(--amber); }
.hero__sub {
  font-size: 0.95rem;
  color: var(--silver);
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__logo-wrap {
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.hero__logo {
  width: clamp(200px, 25vw, 380px);
  height: clamp(200px, 25vw, 380px);
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 40px rgba(245, 158, 11, 0.2));
}
.hero__logo-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid;
  animation: ringPulse 3s ease-in-out infinite;
}
.hero__logo-ring--1 {
  width: 110%; height: 110%;
  border-color: rgba(0, 212, 200, 0.2);
  animation-delay: 0s;
}
.hero__logo-ring--2 {
  width: 130%; height: 130%;
  border-color: rgba(0, 212, 200, 0.08);
  animation-delay: 0.8s;
}
@keyframes ringPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.5; }
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver-dim);
  z-index: 2;
}
.hero__scroll-line {
  width: 3rem;
  height: 1px;
  background: linear-gradient(90deg, var(--silver-dim), transparent);
  animation: scrollLine 2s ease-in-out infinite alternate;
}
@keyframes scrollLine { from { width: 1rem; } to { width: 3rem; } }


/* ── ABOUT ── */
.about { background: var(--blue); }
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 6rem;
  align-items: center;
}
.about__img-wrap {
  position: relative;
  border: 1px solid var(--grid-line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--blue-mid);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.about__img {
  width: 80%;
  height: 80%;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(245, 158, 11, 0.15));
}
.about__freq {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  padding: 0 1rem;
  background: linear-gradient(to top, var(--blue-mid), transparent);
}
.about__freq-bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, var(--teal), var(--amber));
  border-radius: 1px 1px 0 0;
  opacity: 0.5;
  animation: freqBounce 2s ease-in-out infinite alternate;
  animation-delay: calc(var(--i, 0) * 0.1s);
}
.about__freq-bar:nth-child(1)  { animation-delay: 0.0s; }
.about__freq-bar:nth-child(2)  { animation-delay: 0.1s; }
.about__freq-bar:nth-child(3)  { animation-delay: 0.2s; }
.about__freq-bar:nth-child(4)  { animation-delay: 0.3s; }
.about__freq-bar:nth-child(5)  { animation-delay: 0.4s; }
.about__freq-bar:nth-child(6)  { animation-delay: 0.5s; }
.about__freq-bar:nth-child(7)  { animation-delay: 0.6s; }
.about__freq-bar:nth-child(8)  { animation-delay: 0.7s; }
.about__freq-bar:nth-child(9)  { animation-delay: 0.8s; }
.about__freq-bar:nth-child(10) { animation-delay: 0.9s; }
.about__freq-bar:nth-child(11) { animation-delay: 1.0s; }
.about__freq-bar:nth-child(12) { animation-delay: 1.1s; }
@keyframes freqBounce {
  from { height: 20%; opacity: 0.3; }
  to   { height: var(--h); opacity: 0.7; }
}
.about__stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
.about__stat {
  background: var(--blue-mid);
  border: 1px solid var(--grid-line);
  padding: 1.25rem 1rem;
  text-align: center;
}
.about__stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--amber);
  letter-spacing: -0.04em;
}
.about__stat-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-top: 0.25rem;
}
.about__body {
  color: var(--silver);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
}
.about__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }

/* ── SERVICES ── */
.services { background: var(--blue-mid); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}
.service-card {
  position: relative;
  background: var(--blue-mid);
  padding: 2.5rem 2rem;
  transition: var(--trans);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--teal));
  transition: var(--trans);
}
.service-card:hover::before { width: 100%; }
.service-card:hover { background: var(--blue-light); }
.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--teal);
  margin-bottom: 1.5rem;
}
.service-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.service-card__desc {
  font-size: 0.88rem;
  color: var(--silver);
  line-height: 1.65;
}
.service-card__num {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--silver-dim);
}

/* ── WORK ── */
.work { background: var(--blue); }
.tracks { display: flex; flex-direction: column; gap: 1px; background: var(--grid-line); }
.track {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  align-items: center;
  gap: 1.5rem;
  background: var(--blue);
  padding: 1.25rem 1.5rem;
  transition: var(--trans);
  cursor: pointer;
}
.track:hover { background: var(--blue-mid); }
.track.active { background: var(--blue-light); }
.track__play {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--silver-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--trans);
  color: var(--silver);
}
.track__play:hover, .track.active .track__play {
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
}
.track__play-icon { width: 14px; margin-left: 2px; }
.track__info { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; }
.track__title { font-weight: 600; font-size: 0.95rem; }
.track__genre { font-size: 0.72rem; color: var(--silver-dim); letter-spacing: 0.08em; text-transform: uppercase; }
.track__wave {
  flex: 1;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.track__wave-bars {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 36px;
  position: relative;
  z-index: 1;
}
.track__wave-bars span {
  flex: 1;
  height: var(--h);
  background: var(--silver-dim);
  border-radius: 1px;
  transition: background 0.2s;
}
.track:hover .track__wave-bars span {
  background: rgba(148, 163, 184, 0.35);
}
.track.active .track__wave-bars span {
  background: rgba(148, 163, 184, 0.25);
}

/* Coloured "played" overlay — clips to --progress width */
.track__progress-bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, rgba(245,158,11,0.18), rgba(0,212,200,0.12));
  pointer-events: none;
  z-index: 2;
  transition: width 0.1s linear;
}
/* Playhead line */
.track__progress-bar::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 1.5px;
  background: var(--amber);
  opacity: 0;
  transition: opacity 0.2s;
}
.track.active .track__progress-bar::after { opacity: 1; }

/* Bars to the left of playhead glow amber/teal */
.track.active .track__wave-bars {
  -webkit-mask-image: none;
}
.track__wave-bars span {
  position: relative;
  z-index: 1;
}
/* Highlight played portion via JS class */
.track.active .track__wave-bars span.played {
  background: linear-gradient(to top, var(--amber), var(--teal));
}

.track__duration {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--silver-dim);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  min-width: 3.5rem;
  text-align: right;
}
/* Loading spinner on track */
.track.loading .track__play-icon { opacity: 0.4; }
/* Tracks without a valid file are hidden automatically */
.track.no-file { display: none; }
.work__cta {
  margin-top: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem;
  border: 1px solid var(--grid-line);
  background: var(--blue-mid);
}
.work__cta-text {
  font-size: 0.95rem;
  color: var(--silver);
}

/* ── CONTACT ── */
.contact { background: var(--blue-mid); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 6rem;
  align-items: start;
}
.contact__body {
  color: var(--silver);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 1.5rem;
  margin-bottom: 2.5rem;
}
.contact__links { display: flex; flex-direction: column; gap: 1rem; }
.contact__social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--silver);
  transition: var(--trans);
}
.contact__social svg { width: 18px; height: 18px; flex-shrink: 0; }
.contact__social:hover { color: var(--teal); }

/* Form */
.contact__form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver-dim);
}
.form-input {
  background: var(--blue);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--white);
  outline: none;
  transition: var(--trans);
  width: 100%;
}
.form-input::placeholder { color: var(--silver-dim); }
.form-input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0, 212, 200, 0.08); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; }
.form-status {
  font-size: 0.82rem;
  text-align: center;
  min-height: 1.2em;
  color: var(--teal);
}

/* ── FOOTER ── */
.footer {
  background: var(--blue);
  border-top: 1px solid var(--grid-line);
  padding: 2.5rem 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}
.footer__logo-img { width: 28px; height: 28px; object-fit: contain; }
.footer__copy {
  font-size: 0.75rem;
  color: var(--silver-dim);
}
.footer__links {
  display: flex;
  gap: 1.5rem;
}
.footer__links a {
  font-size: 0.75rem;
  color: var(--silver-dim);
  transition: var(--trans);
  letter-spacing: 0.05em;
}
.footer__links a:hover { color: var(--teal); }

/* ── LOGO FALLBACK (when image missing) ── */
.logo-missing {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-ui);
  border: 1px solid var(--grid-line);
  border-radius: 2px;
}
.logo-missing-text {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--amber), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── MUSIC ── */
.music { background: var(--blue-mid); }

.music-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--grid-line);
}
.music-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
  border-bottom: 2px solid transparent;
  transition: var(--trans);
  margin-bottom: -1px;
}
.music-tab svg { width: 16px; height: 16px; flex-shrink: 0; }
.music-tab:hover { color: var(--silver); }
.music-tab.active { color: var(--white); border-bottom-color: var(--amber); }

.music-panel { display: none; }
.music-panel.active { display: block; }

.music-embed-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.music-embed--wide { grid-column: 1; }
.music-embed { position: relative; }
.music-embed__label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 0.6rem;
}
.music-embed iframe {
  display: block;
  border-radius: var(--radius);
  background: var(--blue);
}
.music-yt-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--blue);
}
.music-yt-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
}

/* Placeholder shown when IDs are not yet configured */
.music-embed__placeholder {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 3rem 2rem;
  border: 1px dashed rgba(148,163,184,0.15);
  border-radius: var(--radius);
  background: var(--blue);
  color: var(--silver-dim);
  font-size: 0.82rem;
  line-height: 1.6;
}
.music-embed__placeholder svg { opacity: 0.4; }
.music-embed__placeholder small { opacity: 0.7; }
.music-embed__placeholder.show { display: flex; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero__logo-wrap { display: none; }
  .about__inner { grid-template-columns: 1fr; gap: 3rem; }
  .contact__inner { grid-template-columns: 1fr; gap: 3rem; }
  .work__cta { flex-direction: column; text-align: center; }
  .music-embed-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--blue);
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 99;
  }
  .nav__links.open a { font-size: 1.25rem; }
  .nav__burger { display: flex; position: relative; z-index: 101; }
  .section { padding: 5rem 0; }
  .track { grid-template-columns: auto 1fr auto; }
  .track__wave { display: none; }
  .footer__inner { flex-direction: column; text-align: center; }
  .hero__content { padding: 0 1.5rem; }
}

/* ── SCROLL REVEAL ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal].visible {
  opacity: 1;
  transform: none;
}