/* ============================================================
   KYNIO — redesign
   Base quente em papel creme · tinta quase-preta · âmbar da app
   ============================================================ */

:root {
  --paper:      #f4eee0;
  --paper-deep: #ebe2cd;
  --ink:        #1a140c;
  --ink-soft:   rgba(26, 20, 12, .62);
  --ink-faint:  rgba(26, 20, 12, .38);
  --hairline:   rgba(26, 20, 12, .16);

  --dark:       #15100a;
  --dark-2:     #1d1710;
  --cream:      #f4eee0;
  --cream-soft: rgba(244, 238, 224, .6);
  --hairline-d: rgba(244, 238, 224, .14);

  --amber:      #f5b544;
  --amber-deep: #b97a12;
  --rust:       #9d3d2c;

  --font-sans: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --pad: clamp(20px, 5vw, 72px);
  --maxw: 1360px;
  --r-plate: 36px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: var(--ink); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.mono { font-family: var(--font-mono); }

/* ---------- shared bits ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow-amber { color: var(--amber); }

.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber-deep);
  position: relative; flex: none;
}
.pulse-dot::after {
  content: ""; position: absolute; inset: -4px;
  border-radius: 50%; border: 1.5px solid var(--amber-deep);
  animation: pulse 2.2s ease-out infinite;
}
.phases .pulse-dot, .final .pulse-dot { background: var(--amber); }
.phases .pulse-dot::after, .final .pulse-dot::after { border-color: var(--amber); }
.pulse-dot-sm { width: 7px; height: 7px; }
@keyframes pulse {
  0%   { transform: scale(.5); opacity: 1; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px; letter-spacing: .01em;
  padding: 15px 26px; border-radius: 999px;
  transition: transform .25s cubic-bezier(.2,.9,.3,1.4), background .2s, color .2s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: var(--rust); transform: translateY(-2px); }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: #ffca66; transform: translateY(-2px); }
.btn-sm { padding: 11px 20px; font-size: 13.5px; }
.btn-lg { padding: 19px 34px; font-size: 16.5px; }

.link-quiet {
  font-weight: 600; font-size: 15px; color: var(--ink-soft);
  border-bottom: 1.5px solid var(--hairline);
  padding-bottom: 3px;
  transition: color .2s, border-color .2s;
}
.link-quiet:hover { color: var(--ink); border-color: var(--ink); }

.section-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad) 56px;
}
.section-head .eyebrow { margin-bottom: 22px; }
.section-title {
  font-size: clamp(34px, 4.6vw, 60px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.04;
  margin-bottom: 20px;
}
.section-sub {
  font-size: clamp(16px, 1.5vw, 18.5px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 560px;
}
.section-head-split {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--pad);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--hairline); }

.nav-brand { display: flex; align-items: center; gap: 11px; }
.nav-icon { width: 30px; height: 30px; border-radius: 8px; }
.nav-word {
  font-family: var(--font-mono);
  font-weight: 600; font-size: 15px; letter-spacing: .28em;
}

.nav-links { display: flex; gap: 34px; }
.nav-links a {
  font-size: 14.5px; font-weight: 600; color: var(--ink-soft);
  transition: color .2s;
  position: relative;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px;
  width: 0; height: 1.5px; background: var(--amber-deep);
  transition: width .25s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 20px; }

.lang-toggle {
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 500;
  letter-spacing: .08em; display: flex; gap: 6px; align-items: center;
  padding: 6px 4px;
}
.lang-opt { color: var(--ink-faint); transition: color .2s; cursor: pointer; }
.lang-opt.active { color: var(--ink); font-weight: 600; }
.lang-opt:hover { color: var(--ink); }
.lang-sep { color: var(--ink-faint); }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(76px + 4vh) var(--pad) 6vh;
  position: relative;
}
.hero::before {
  /* textura de grão suave */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(26,20,12,.05) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 70%);
}

.hero-inner {
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
  position: relative;
}

.hero-copy .eyebrow { margin-bottom: 30px; }

.hero-title {
  font-size: clamp(44px, 6.4vw, 86px);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: .99;
  margin-bottom: 28px;
}
.hero-title em {
  font-style: normal;
  color: var(--amber-deep);
  position: relative;
  display: inline-block;
}
.hero-title em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .06em;
  height: .1em; background: var(--amber);
  z-index: -1; border-radius: 3px;
  transform: scaleX(0); transform-origin: left;
  animation: underline 1s .5s cubic-bezier(.6,0,.2,1) forwards;
}
@keyframes underline { to { transform: scaleX(1); } }

.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6; color: var(--ink-soft);
  max-width: 520px; margin-bottom: 38px;
}

.hero-ctas { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin-bottom: 42px; }

.hero-meta {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint);
}

/* --- showcase / phone --- */

.hero-showcase { position: relative; }

.showcase-plate {
  position: relative;
  background: var(--dark);
  border-radius: var(--r-plate);
  padding: clamp(28px, 3.4vw, 52px);
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  box-shadow: 0 40px 80px -30px rgba(26, 20, 12, .45);
  overflow: visible;
}
.showcase-plate::before {
  content: ""; position: absolute; inset: 0;
  border-radius: var(--r-plate); pointer-events: none;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(245, 181, 68, .13), transparent 55%),
    radial-gradient(80% 60% at 10% 100%, rgba(157, 61, 44, .10), transparent 60%);
}

.phone {
  width: min(280px, 68vw);
  aspect-ratio: 9 / 19;
  background: #0b0805;
  border-radius: 44px;
  border: 1px solid rgba(244, 238, 224, .12);
  position: relative;
  box-shadow:
    inset 0 0 0 2px #000,
    0 24px 60px -18px rgba(0, 0, 0, .65);
}
.phone-notch {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 34%; height: 22px; z-index: 3;
  background: #0b0805; border-radius: 0 0 16px 16px;
  pointer-events: none;
}
.phone-screen {
  position: absolute; inset: 10px;
  border-radius: 34px; overflow-y: auto;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
  outline-offset: 4px;
}
.phone-screen::-webkit-scrollbar { display: none; }
.phone-screen img {
  width: 100%; scroll-snap-align: start; scroll-snap-stop: always;
}

.phone-dots { display: flex; gap: 8px; }
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(244, 238, 224, .25);
  transition: background .25s, transform .25s;
}
.dot.active { background: var(--amber); transform: scale(1.35); }

/* floating chips — decoração de produto em redor do device */
.float-chip {
  position: absolute; z-index: 4;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 600; letter-spacing: .06em;
  padding: 10px 14px; border-radius: 12px;
  box-shadow: 0 14px 34px -10px rgba(26, 20, 12, .5);
  animation: bob 5.5s ease-in-out infinite;
}
.float-chip svg { color: var(--amber-deep); }
.chip-tl { top: 6%;  left: -4%;  transform: rotate(-6deg); animation-delay: 0s; }
.chip-tr { top: 22%; right: -5%; transform: rotate(4deg);  animation-delay: 1.2s; }
.chip-bl { bottom: 22%; left: -7%; transform: rotate(3deg); animation-delay: 2.1s; }
.chip-br { bottom: 7%; right: -3%; transform: rotate(-5deg); animation-delay: .7s; color: var(--rust); }
@keyframes bob {
  0%, 100% { margin-top: 0; }
  50%      { margin-top: -9px; }
}

/* ============================================================
   FASES — secção escura com arco vivo
   ============================================================ */

.phases {
  background: var(--dark);
  color: var(--cream);
  padding: clamp(90px, 12vw, 150px) 0 clamp(70px, 8vw, 110px);
  border-radius: var(--r-plate) var(--r-plate) 0 0;
  position: relative;
  overflow: hidden;
}
.phases::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(90% 60% at 50% 0%, rgba(245, 181, 68, .07), transparent 60%);
}
.phases .section-title { color: var(--cream); }
.phases .section-sub { color: var(--cream-soft); }

.arc-stage {
  position: relative;
  max-width: 980px; margin: 0 auto;
  padding: 0 var(--pad);
}
.arc-svg { width: 100%; height: auto; display: block; overflow: visible; }

.arc-node-dot { fill: #4a4030; transition: fill .4s, r .4s; }
.arc-node-dot.reached { fill: var(--amber); }
.arc-node-label {
  font-family: var(--font-mono); font-size: 15px; letter-spacing: .12em;
  fill: rgba(244, 238, 224, .45); text-transform: uppercase;
  transition: fill .4s;
}
.arc-node-label.reached { fill: var(--cream); }
.arc-node-hour {
  font-family: var(--font-mono); font-size: 13px;
  fill: rgba(244, 238, 224, .35);
}

.arc-readout {
  position: absolute; left: 0; right: 0; bottom: 4%;
  text-align: center; pointer-events: none;
}
.arc-timer {
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 600; letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--cream);
  line-height: 1;
  margin-bottom: 14px;
  text-shadow: 0 0 60px rgba(245, 181, 68, .35);
}
.arc-phase {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: clamp(15px, 1.6vw, 18px);
  color: var(--amber);
  border: 1px solid rgba(245, 181, 68, .4);
  padding: 9px 20px; border-radius: 999px;
  margin-bottom: 14px;
  background: rgba(245, 181, 68, .06);
}
.arc-sub { font-size: 13px; letter-spacing: .1em; color: var(--cream-soft); text-transform: uppercase; }

.phase-grid {
  max-width: var(--maxw); margin: clamp(48px, 6vw, 80px) auto 0;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--hairline-d);
}
.phase-item {
  padding: 28px 22px 8px;
  border-left: 1px solid var(--hairline-d);
  transition: background .3s;
  position: relative;
}
.phase-item:first-child { border-left: 0; }
.phase-item::before {
  content: ""; position: absolute; top: -1px; left: 0;
  width: 0; height: 1px; background: var(--amber);
  transition: width .5s ease;
}
.phase-item:hover::before, .phase-item.lit::before { width: 100%; }
.phase-item.lit { background: rgba(245, 181, 68, .05); }
.phase-hour { font-size: 13px; color: var(--amber); letter-spacing: .1em; margin-bottom: 14px; }
.phase-item h3 { font-size: 17.5px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 10px; }
.phase-item p { font-size: 13.8px; line-height: 1.55; color: var(--cream-soft); }

/* ============================================================
   FUNCIONALIDADES — lista editorial numerada
   ============================================================ */

.features {
  background: var(--paper);
  padding: clamp(90px, 12vw, 150px) 0;
  border-radius: var(--r-plate) var(--r-plate) 0 0;
  margin-top: calc(var(--r-plate) * -1);
  position: relative; z-index: 2;
}

.feature-list {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad);
}
.feature-row {
  display: grid;
  grid-template-columns: 90px 1fr 60px;
  align-items: center; gap: 24px;
  padding: 40px 8px;
  border-top: 1px solid var(--hairline);
  transition: background .3s, padding .3s;
  position: relative;
}
.feature-row:last-child { border-bottom: 1px solid var(--hairline); }
.feature-row:hover { background: rgba(26, 20, 12, .035); padding-left: 22px; padding-right: 22px; }

.feature-num {
  font-size: 14px; font-weight: 500; letter-spacing: .1em;
  color: var(--ink-faint);
  transition: color .3s;
}
.feature-row:hover .feature-num { color: var(--amber-deep); }

.feature-body h3 {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 800; letter-spacing: -.02em;
  margin-bottom: 8px;
  transition: color .2s;
}
.feature-row:hover .feature-body h3 { color: var(--rust); }
.feature-body p {
  font-size: 15.5px; line-height: 1.55; color: var(--ink-soft);
  max-width: 620px;
}

.feature-arrow {
  justify-self: end;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--hairline);
  display: grid; place-items: center;
  color: var(--ink-soft);
  transition: all .3s cubic-bezier(.2,.9,.3,1.3);
  opacity: 0; transform: translateX(-8px);
}
.feature-row:hover .feature-arrow {
  opacity: 1; transform: translateX(0);
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}

/* ============================================================
   ECRÃS — tira arrastável com inércia
   ============================================================ */

.screens {
  background: var(--paper-deep);
  padding: clamp(90px, 12vw, 150px) 0 clamp(70px, 8vw, 100px);
  overflow: hidden;
}
.drag-hint {
  font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint);
  animation: nudge 2.6s ease-in-out infinite;
}
@keyframes nudge { 0%,100% { transform: translateX(0); } 50% { transform: translateX(8px); } }

.drag-strip {
  display: flex; gap: clamp(20px, 3vw, 44px);
  padding: 10px var(--pad) 30px;
  cursor: grab;
  user-select: none;
  will-change: transform;
  width: max-content;
}
.drag-strip.dragging { cursor: grabbing; }
.drag-strip.dragging .shot-frame { transform: scale(.985); }

.shot { flex: none; width: clamp(220px, 24vw, 300px); }
.shot-frame {
  border-radius: 30px;
  overflow: hidden;
  background: var(--dark);
  border: 6px solid #0b0805;
  box-shadow: 0 30px 60px -24px rgba(26, 20, 12, .5);
  transition: transform .3s ease;
}
.shot-frame img { width: 100%; pointer-events: none; }
.shot figcaption {
  margin-top: 16px;
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-soft);
}

.drag-progress {
  max-width: var(--maxw); margin: 8px auto 0;
  padding: 0 var(--pad);
}
.drag-track {
  display: block; height: 2px; background: var(--hairline);
  position: relative; border-radius: 2px;
}
#dragBar {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 20%; background: var(--amber-deep); border-radius: 2px;
}

/* ============================================================
   CTA FINAL + FOOTER
   ============================================================ */

.final {
  background: var(--dark);
  color: var(--cream);
  border-radius: var(--r-plate) var(--r-plate) 0 0;
  padding: clamp(100px, 13vw, 170px) var(--pad);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(70% 80% at 50% 110%, rgba(245, 181, 68, .16), transparent 60%);
}
.final-inner { position: relative; max-width: 780px; margin: 0 auto; }
.final .eyebrow { justify-content: center; margin-bottom: 26px; }
.final-title {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 900; letter-spacing: -.035em; line-height: 1;
  margin-bottom: 24px;
}
.final-sub {
  font-size: clamp(15.5px, 1.5vw, 18px);
  color: var(--cream-soft); line-height: 1.55;
  max-width: 480px; margin: 0 auto 42px;
}

.footer {
  background: var(--dark);
  color: var(--cream-soft);
  padding: 0 var(--pad) 44px;
}
.footer-top {
  max-width: var(--maxw); margin: 0 auto;
  border-top: 1px solid var(--hairline-d);
  padding-top: 40px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 11px; color: var(--cream); }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-links a { font-size: 13.5px; transition: color .2s; }
.footer-links a:hover { color: var(--amber); }
.footer-note {
  max-width: var(--maxw); margin: 30px auto 0;
  font-size: 12.5px; line-height: 1.6; color: rgba(244, 238, 224, .38);
}

/* ============================================================
   MODAL
   ============================================================ */

.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(21, 16, 10, .6);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  animation: fadeIn .25s ease;
}
.modal-card {
  position: relative;
  background: var(--paper);
  border-radius: 28px;
  padding: clamp(30px, 4vw, 48px);
  max-width: 520px; width: 100%;
  box-shadow: 0 50px 100px -30px rgba(0, 0, 0, .5);
  animation: popIn .35s cubic-bezier(.2,.9,.3,1.2);
  max-height: 90svh; overflow-y: auto;
}
@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: translateY(18px) scale(.97); } }

.modal-close {
  position: absolute; top: 20px; right: 20px;
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--hairline); color: var(--ink-soft);
  transition: all .2s;
}
.modal-close:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.modal .eyebrow { margin-bottom: 16px; }
.modal-title { font-size: clamp(24px, 3vw, 30px); font-weight: 800; letter-spacing: -.02em; margin-bottom: 30px; }

.modal-step {
  display: flex; gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--hairline);
}
.step-num {
  flex: none;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink); color: var(--amber);
  display: grid; place-items: center;
  font-size: 14px; font-weight: 600;
}
.modal-step h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.modal-step p { font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin-bottom: 16px; }

/* ============================================================
   RESPONSIVO
   ============================================================ */

@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; gap: 64px; }
  .hero { padding-top: 120px; }
  .hero-sub { max-width: 640px; }
  .showcase-plate { max-width: 480px; margin: 0 auto; }
  .phase-grid { grid-template-columns: repeat(2, 1fr); }
  .phase-item { border-left: 0; border-top: 1px solid var(--hairline-d); }
  .phase-item::before { display: none; }
  .phase-grid { border-top: 0; }
  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .float-chip { display: none; }
  .feature-row { grid-template-columns: 50px 1fr; }
  .feature-arrow { display: none; }
  .feature-row:hover { padding-left: 8px; padding-right: 8px; }
  .hero-ctas { gap: 18px; }
  .btn { white-space: normal; text-align: center; }
  .arc-readout { position: static; margin-top: -30px; }
  .nav-right { gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; }
  html { scroll-behavior: auto; }
}