/* MuseCut — Design system
   Display: Syne | Body: DM Sans
   Grafite + off-white + âmbar elétrico
*/

:root {
  --bg: #0e0e0c;
  --bg-elevated: #161612;
  --fg: #f7f4ee;
  --fg-muted: #a8a49a;
  --accent: #ffb020;
  --accent-soft: rgba(255, 176, 32, 0.14);
  --surface: #1c1c17;
  --line: rgba(247, 244, 238, 0.1);
  --radius: 14px;
  --nav-h: 72px;
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  border: 1.5px solid transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn--primary {
  background: var(--accent);
  color: #12110e;
}

.btn--primary:hover {
  background: #ffc14a;
}

.btn--outline {
  border-color: rgba(247, 244, 238, 0.35);
  background: transparent;
  color: var(--fg);
}

.btn--outline:hover {
  border-color: var(--fg);
  background: rgba(247, 244, 238, 0.06);
}

.btn--ghost {
  color: var(--fg-muted);
}

.btn--ghost:hover {
  color: var(--fg);
}

.btn--lg {
  min-height: 52px;
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
}

/* ——— Nav ——— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.3s var(--ease), backdrop-filter 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(14, 14, 12, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.nav__inner {
  max-width: calc(var(--max) + 4rem);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.nav__links {
  display: none;
  gap: 1.75rem;
}

.nav__links a {
  color: var(--fg-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--fg);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.nav__actions .btn--ghost,
.nav__actions .btn--primary {
  display: none;
}

.nav__toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-content: center;
  gap: 6px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.25s var(--ease);
}

.nav__toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.nav__mobile {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(14, 14, 12, 0.96);
  border-bottom: 1px solid var(--line);
}

.nav__mobile[hidden] {
  display: none;
}

.nav__mobile a:not(.btn) {
  padding: 0.85rem 0;
  color: var(--fg-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}

.nav__mobile .btn {
  margin-top: 0.5rem;
  width: 100%;
}

@media (min-width: 900px) {
  .nav__links {
    display: flex;
  }

  .nav__actions .btn--ghost,
  .nav__actions .btn--primary {
    display: inline-flex;
  }

  .nav__toggle,
  .nav__mobile {
    display: none !important;
  }
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 2rem) 1.5rem 4.5rem;
  overflow: hidden;
}

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

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.04);
  animation: heroZoom 18s var(--ease) infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14, 14, 12, 0.35) 0%, rgba(14, 14, 12, 0.55) 40%, rgba(14, 14, 12, 0.92) 100%),
    linear-gradient(90deg, rgba(14, 14, 12, 0.55) 0%, transparent 55%);
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.hero__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 12vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
  color: var(--fg);
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-bottom: 1rem;
  color: var(--fg);
}

.hero__support {
  max-width: 36rem;
  color: var(--fg-muted);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  margin-bottom: 1.75rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero entrance */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: revealUp 0.9s var(--ease) forwards;
}

.reveal--delay-1 { animation-delay: 0.12s; }
.reveal--delay-2 { animation-delay: 0.24s; }
.reveal--delay-3 { animation-delay: 0.36s; }

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

/* ——— Shared sections ——— */
.section__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
  max-width: 18ch;
  margin-bottom: 0.85rem;
}

.section__lead {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

/* ——— Proof ——— */
.proof {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #12120f 0%, var(--bg) 100%);
}

.proof__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.proof__metric {
  color: var(--fg-muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

.proof__metric strong {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

.proof__logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  width: 100%;
}

.proof__logos span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: rgba(247, 244, 238, 0.38);
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .proof__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .proof__logos {
    width: auto;
    justify-content: flex-end;
  }
}

/* ——— Problem ——— */
.problem {
  padding: 5.5rem 0 4rem;
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, var(--accent-soft), transparent 60%),
    var(--bg);
}

.problem__list {
  display: grid;
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.75rem;
}

.problem__list li {
  display: grid;
  gap: 0.35rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.problem__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
}

.problem__text {
  color: var(--fg-muted);
  max-width: 32rem;
}

@media (min-width: 768px) {
  .problem__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: none;
    padding-top: 0;
  }

  .problem__list li {
    border-bottom: none;
    border-left: 1px solid var(--line);
    padding: 0 0 0 1.5rem;
  }

  .problem__list li:first-child {
    border-left: none;
    padding-left: 0;
  }
}

/* ——— Steps ——— */
.steps {
  padding: 4rem 0 5.5rem;
}

.steps__list {
  display: grid;
  gap: 2.5rem;
}

.steps__item {
  position: relative;
}

.steps__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.85rem;
}

.steps__visual {
  margin-bottom: 1.1rem;
}

.steps__item h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.steps__item p {
  color: var(--fg-muted);
  max-width: 28rem;
}

.mock {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  min-height: 110px;
  display: flex;
  align-items: center;
}

.mock--upload {
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
}

.mock--upload span {
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  background: rgba(247, 244, 238, 0.04);
  border: 1px dashed rgba(247, 244, 238, 0.15);
}

.mock--timeline {
  flex-direction: column;
  gap: 0.55rem;
  align-items: stretch;
}

.mock__bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(247, 244, 238, 0.12);
  width: 88%;
}

.mock__bar:nth-child(2) { width: 64%; }
.mock__bar:nth-child(3) { width: 76%; }

.mock__bar--accent {
  background: var(--accent);
  width: 72%;
}

.mock--publish {
  gap: 0.75rem;
  font-weight: 600;
  color: var(--fg);
}

.mock__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

@media (min-width: 900px) {
  .steps__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

/* ——— Showcase ——— */
.showcase {
  padding: 4rem 0 5.5rem;
  background:
    linear-gradient(180deg, transparent, rgba(255, 176, 32, 0.04) 40%, transparent),
    var(--bg);
}

.showcase__grid {
  display: grid;
  gap: 2.5rem;
}

.editor {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.editor__preview {
  position: relative;
  aspect-ratio: 9 / 14;
  max-height: 420px;
  overflow: hidden;
  background: #000;
}

.editor__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.editor__caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.editor__timeline {
  padding: 1rem;
  display: grid;
  gap: 0.55rem;
  background: #12120f;
  border-top: 1px solid var(--line);
}

.editor__track {
  display: flex;
  gap: 0.35rem;
  height: 18px;
}

.editor__track span {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: rgba(247, 244, 238, 0.16);
}

.editor__track--audio span {
  background: rgba(255, 176, 32, 0.45);
}

.editor__track--text span {
  background: rgba(247, 244, 238, 0.28);
}

.feature-list {
  display: grid;
  gap: 1.15rem;
  margin-bottom: 1.75rem;
}

.feature-list li {
  display: grid;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
}

.feature-list strong {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.feature-list span {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

@media (min-width: 960px) {
  .showcase__grid {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
    gap: 3.5rem;
  }

  .editor__preview {
    max-height: 480px;
  }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* ——— Audience ——— */
.audience {
  padding: 4rem 0 5rem;
  border-top: 1px solid var(--line);
}

.audience__grid {
  display: grid;
  gap: 2rem;
}

.audience__grid article {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.audience__grid h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
}

.audience__grid p {
  color: var(--fg-muted);
  max-width: 28rem;
}

@media (min-width: 768px) {
  .audience__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

/* ——— Compare ——— */
.compare {
  padding: 4rem 0 5.5rem;
  background: var(--bg-elevated);
}

.compare__grid {
  display: grid;
  gap: 1rem;
}

.compare__panel {
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--line);
}

.compare__panel--before {
  background: rgba(247, 244, 238, 0.03);
}

.compare__panel--after {
  background: var(--accent-soft);
  border-color: rgba(255, 176, 32, 0.35);
}

.compare__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.15rem;
  color: var(--fg-muted);
}

.compare__panel--after .compare__tag {
  color: var(--accent);
}

.compare__panel ul {
  display: grid;
  gap: 0.7rem;
}

.compare__panel li {
  color: var(--fg-muted);
  padding-left: 1.1rem;
  position: relative;
}

.compare__panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(247, 244, 238, 0.35);
}

.compare__panel--after li {
  color: var(--fg);
}

.compare__panel--after li::before {
  background: var(--accent);
}

@media (min-width: 700px) {
  .compare__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

/* ——— Pricing ——— */
.pricing {
  padding: 5rem 0 4rem;
}

.pricing__grid {
  display: grid;
  gap: 1rem;
}

.plan {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.plan__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 1.75rem;
}

.plan h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.plan__price {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 2.75rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}

.plan__currency {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg-muted);
}

.plan__period {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg-muted);
  margin-left: 0.15rem;
}

.plan ul {
  display: grid;
  gap: 0.55rem;
  flex: 1;
  margin: 0.5rem 0 0.75rem;
}

.plan li {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.plan li::before {
  content: "→ ";
  color: var(--accent);
}

.plan .btn {
  width: 100%;
}

.plan--featured {
  border-color: rgba(255, 176, 32, 0.55);
  background:
    linear-gradient(180deg, rgba(255, 176, 32, 0.1), transparent 40%),
    var(--surface);
}

.plan__badge {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #12110e;
  background: var(--accent);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  line-height: 1;
}

.pricing__note {
  margin-top: 1.25rem;
  color: var(--fg-muted);
  font-size: 0.85rem;
}

@media (min-width: 900px) {
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
    gap: 1.15rem;
  }
}

/* ——— FAQ ——— */
.faq {
  padding: 4rem 0 5.5rem;
  border-top: 1px solid var(--line);
}

.faq__inner {
  max-width: 720px;
}

.faq__list {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 0.25rem 0;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  padding: 1.1rem 2rem 1.1rem 0;
  position: relative;
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 600;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  color: var(--fg-muted);
  padding: 0 0 1.25rem;
  max-width: 38rem;
}

/* ——— Final CTA ——— */
.final-cta {
  position: relative;
  padding: 6rem 1.5rem;
  overflow: hidden;
  text-align: center;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.final-cta__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14, 14, 12, 0.55), rgba(14, 14, 12, 0.88)),
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(255, 176, 32, 0.22), transparent 65%),
    url("https://images.unsplash.com/photo-1492691527719-9d1e07e534b4?auto=format&fit=crop&w=1800&q=80") center / cover;
}

.final-cta__content {
  position: relative;
  z-index: 1;
  max-width: 28rem;
  display: grid;
  gap: 1.5rem;
  justify-items: center;
}

.final-cta h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

/* ——— Footer ——— */
.footer {
  border-top: 1px solid var(--line);
  padding: 3.5rem 0 1.5rem;
  background: #0a0a09;
}

.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  display: grid;
  gap: 2.5rem;
}

.footer__brand p {
  margin-top: 0.75rem;
  color: var(--fg-muted);
  max-width: 22rem;
  font-size: 0.95rem;
}

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer__cols h4 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  color: var(--fg);
}

.footer__cols a {
  display: block;
  color: var(--fg-muted);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.footer__cols a:hover {
  color: var(--fg);
}

.footer__bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem 0;
  border-top: 1px solid var(--line);
  color: var(--fg-muted);
  font-size: 0.85rem;
}

@media (min-width: 800px) {
  .footer__inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
}

/* ——— Reduced motion ——— */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .reveal-on-scroll,
  .hero__img {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}