/* ============================================================
   DYVI GROWTH STUDIO — Homepage (tema escuro, imersivo)
   ============================================================ */

/* Fundo e cor base da página */
body {
  background: var(--ink);
  color: var(--paper);
}

/* ── Riscas de fundo ──────────────────────────────────────── */
.streaks {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.streak {
  position: absolute;
  height: 5px;
  width: 75vw;
  border-radius: 999px;
  opacity: .5;
  will-change: transform;
}
.sk1 { top: 18%; background: linear-gradient(90deg, transparent, var(--cyan), transparent); }
.sk2 { top: 42%; background: linear-gradient(90deg, transparent, var(--magenta), transparent); opacity: .42; }
.sk3 { top: 66%; background: linear-gradient(90deg, transparent, var(--violet), transparent); opacity: .42; }
.sk4 { top: 82%; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: .35; }
.sk5 { top: 30%; background: linear-gradient(90deg, transparent, var(--magenta), transparent); opacity: .3; }

/* ── Header / Nav ─────────────────────────────────────────── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  backdrop-filter: blur(12px);
  background: rgba(10,22,34,.55);
  border-bottom: 1px solid var(--line-dark);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.03em;
}
.nav-links {
  display: flex;
  gap: 30px;
  font-weight: 500;
  font-size: 15px;
  color: #c6dde4;
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a:focus-visible { color: var(--cyan); }

@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .5;
  will-change: transform;
  z-index: 0;
}
.b1 { width: 520px; height: 520px; background: var(--cyan);    top: -120px; left: -80px;  animation: drift1 18s ease-in-out infinite; }
.b2 { width: 440px; height: 440px; background: var(--magenta); bottom: -140px; right: -60px; opacity: .4; animation: drift2 22s ease-in-out infinite; }
.b3 { width: 380px; height: 380px; background: var(--violet);  top: 30%; right: 22%; opacity: .38; animation: drift3 26s ease-in-out infinite; }

@keyframes drift1 { 50% { transform: translate(60px,40px) scale(1.12); } }
@keyframes drift2 { 50% { transform: translate(-50px,-30px) scale(1.1); } }
@keyframes drift3 { 50% { transform: translate(30px,-50px) scale(1.14); } }

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 70px;
}
.hero h1 {
  font-size: clamp(40px, 7.5vw, 86px);
  font-weight: 700;
  max-width: 16ch;
}
.hero h1 span {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px) scale(.85);
  animation: popin .7s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero h1 .c { color: var(--cyan); }
.hero h1 .m { color: var(--magenta); }

@keyframes popin { to { opacity: 1; transform: none; } }

.hero p.sub {
  font-size: clamp(17px, 2.2vw, 21px);
  color: #bcd6de;
  max-width: 46ch;
  margin: 28px 0 38px;
  opacity: 0;
  animation: popin .7s ease .6s forwards;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: popin .7s ease .8s forwards;
}

/* Chips flutuantes no hero */
.chip-float {
  position: absolute;
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-dark);
  background: rgba(255,255,255,.05);
  color: #dcecf2;
  z-index: 1;
  will-change: transform;
}
.cf1 { top: 16%; right: 13%; }
.cf2 { top: 55%; left: 6%;  color: var(--cyan);    border-color: rgba(49,194,225,.5); }
.cf3 { bottom: 22%; right: 9%; color: var(--magenta); border-color: rgba(255,61,127,.5); }
.cf4 { bottom: 15%; left: 7%; }
.cf5 { top: 23%; left: 5%;  color: var(--violet);  border-color: rgba(124,92,255,.5); }

@media (max-width: 820px) {
  .cf1, .cf2, .cf3, .cf4, .cf5 { display: none; }
}

/* ── Marquee ──────────────────────────────────────────────── */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 18px 0;
  background: rgba(255,255,255,.02);
  position: relative;
  z-index: 2;
}
.mtrack {
  display: inline-flex;
  white-space: nowrap;
  font-family: var(--display);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: -.01em;
  animation: marq 24s linear infinite;
  will-change: transform;
}
.mtrack span { padding: 0 26px; }
.mtrack .star { color: var(--cyan); }
@keyframes marq { to { transform: translateX(-50%); } }

/* ── Secções genéricas ────────────────────────────────────── */
.section {
  position: relative;
  padding: 120px 0;
  z-index: 1;
}

/* ── Caos → Clareza ───────────────────────────────────────── */
.chaos h2 {
  font-size: clamp(30px, 5vw, 56px);
  max-width: 14ch;
  margin-top: 18px;
}
.chaos h2 .m { color: var(--magenta); }

.assembly { margin-top: 64px; position: relative; }
.assembly .label {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 22px;
  transition: color .6s ease;
}
.assembled .label { color: var(--cyan); }

.chip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  z-index: 2;
}
.chip {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  padding: 22px 18px;
  border-radius: 14px;
  text-align: center;
  border: 1px solid var(--line-dark);
  background: var(--ink2);
  color: #cfe4eb;
  transform: translate(var(--tx, 0), var(--ty, 0)) rotate(var(--rot, 0deg));
  opacity: .4;
  transition: transform 1s cubic-bezier(.2,.75,.2,1), opacity 1s ease, border-color .6s ease, background .6s ease;
}
.assembled .chip { transform: none; opacity: 1; }
.chip.cy { border-color: rgba(49,194,225,.45); }
.assembled .chip.cy { background: rgba(49,194,225,.12); border-color: var(--cyan); color: #eafaff; }
.chip.mg { border-color: rgba(255,61,127,.4); }
.assembled .chip.mg { background: rgba(255,61,127,.12); border-color: var(--magenta); color: #ffe7f0; }
.chip.vi { border-color: rgba(124,92,255,.4); }
.assembled .chip.vi { background: rgba(124,92,255,.12); border-color: var(--violet); color: #ece7ff; }

@media (max-width: 820px) { .chip-grid { grid-template-columns: repeat(2, 1fr); } }

/* Estilhaços da explosão de encaixe */
.burst { position: absolute; top: 50%; left: 50%; width: 0; height: 0; z-index: 1; }
.shard { position: absolute; width: 16px; height: 16px; border-radius: 4px; opacity: 0; will-change: transform; }
.boom .shard { animation: boom 1s cubic-bezier(.15,.7,.3,1) forwards; }
@keyframes boom {
  0%   { transform: translate(0,0) scale(.2) rotate(0); opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(1) rotate(var(--dr)); opacity: 0; }
}


/* ── Palavra cinética ─────────────────────────────────────── */
.kinetic {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.kinetic .small {
  font-family: var(--display);
  font-size: clamp(16px, 2.5vw, 24px);
  font-weight: 500;
  color: var(--muted-dark);
  letter-spacing: .06em;
}
.bigword {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(80px, 22vw, 260px);
  line-height: .9;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  will-change: transform;
  transform: scale(.4);
}

/* ── Método ───────────────────────────────────────────────── */
.method { background: var(--ink2); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 54px;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 26px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
}
.step { position: relative; }
.step .node {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--ink);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-weight: 700;
  color: var(--cyan);
  position: relative;
  z-index: 2;
  transition: transform .3s ease;
}
.step:hover .node { transform: scale(1.15) rotate(-6deg); }
.step:nth-child(2) .node { border-color: var(--violet);  color: var(--violet); }
.step:nth-child(3) .node { border-color: var(--magenta); color: var(--magenta); }
.step h4 { font-family: var(--display); font-size: 20px; font-weight: 600; margin: 22px 0 8px; }
.step p  { font-size: 15px; color: var(--muted-dark); }

@media (max-width: 820px) {
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
}

/* ── Pilares / Soluções ───────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 54px;
}
.pillar {
  border: 1px solid var(--line-dark);
  border-radius: 18px;
  padding: 34px;
  background: rgba(15,34,48,.7);
  transition: transform .25s ease, border-color .25s ease;
}
.pillar:hover { transform: translateY(-6px) scale(1.02); border-color: var(--cyan); }
.pillar .pnum { font-family: var(--display); font-size: 13px; font-weight: 600; letter-spacing: .14em; color: var(--cyan); }
.pillar:nth-child(2) .pnum { color: var(--violet); }
.pillar:nth-child(3) .pnum { color: var(--magenta); }
.pillar h3 { font-size: 24px; margin: 12px 0 16px; }
.pillar ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pillar li { display: flex; gap: 11px; font-size: 16px; color: #c6dde4; }
.pillar li::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 3px; background: var(--cyan); margin-top: 8px; }

@media (max-width: 820px) { .pillars { grid-template-columns: 1fr; } }

/* ── CTA final ────────────────────────────────────────────── */
.cta { text-align: center; overflow: hidden; }
.cta h2 { font-size: clamp(34px, 6vw, 70px); font-weight: 700; }
.cta h2 .c { color: var(--cyan); }
.cta h2 .m { color: var(--magenta); }
.cta p { color: #bcd6de; font-size: 19px; margin: 20px auto 36px; max-width: 46ch; }

/* ── Footer ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--line-dark);
  padding: 40px 0;
  font-size: 14px;
  color: var(--muted-dark);
  position: relative;
  z-index: 2;
}
.foot { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot a:hover { color: var(--cyan); }

/* prefers-reduced-motion: blobs e streaks desaparecem */
@media (prefers-reduced-motion: reduce) {
  .blob, .streaks { display: none; }
  .hero h1 span, .hero p.sub, .hero-actions { opacity: 1 !important; transform: none !important; }
  .bigword { transform: scale(1) !important; }
  .chip { opacity: 1 !important; transform: none !important; transition: none; }
}