/* ============================================================
   FONTS — Inter (self-hosted) + Satoshi (CDN, wordmark only)
   ============================================================ */

/* Satoshi via Fontshare CDN — used exclusively in the wordmark */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@500,700&display=swap');

/* Inter Variable, self-hosted, latin subsets only (PT-BR optimized) */
@font-face {
  font-family: 'Inter Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/fonts/inter-latin-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,
                 U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,
                 U+2212,U+2215,U+FEFF,U+FFFD;
}

@font-face {
  font-family: 'Inter Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/fonts/inter-latin-ext-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,
                 U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* Brand */
  --brand-blue:    #1c71f4;
  --brand-purple:  #9245fe;
  --brand-magenta: #cb14f9;

  /* Surface */
  --bg-0: #05070d;
  --bg-1: #0a0f1f;
  --bg-2: #0e1428;
  --line: rgba(148, 163, 184, 0.12);
  --line-strong: rgba(148, 163, 184, 0.22);

  /* Text */
  --fg-0: #ffffff;
  --fg-1: #e5e7eb;
  --fg-2: #94a3b8;
  --fg-3: #64748b;

  /* Effects */
  --glow-blue: rgba(28, 113, 244, 0.15);
  --glow-purple: rgba(146, 69, 254, 0.15);

  /* Type */
  --font-sans: 'Inter Variable', ui-sans-serif, system-ui, -apple-system, 'SF Pro Display', sans-serif;
  --font-display: 'Satoshi', 'Inter Variable', ui-sans-serif, system-ui, sans-serif;

  /* Layout */
  --max-w: 1280px;
  --pad-x: clamp(1.25rem, 3vw, 3rem);
}

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

html { scroll-behavior: smooth; }

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--brand-blue);
  color: #fff;
  border-radius: 4px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  z-index: 999;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse at 75% 30%, #0d1226 0%, var(--bg-0) 60%),
    var(--bg-0);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: clip;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

::selection { background: var(--brand-purple); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(5, 7, 13, 0.7);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.nav--scrolled {
  opacity: 1;
  pointer-events: auto;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg-0);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.nav--scrolled .nav__brand {
  opacity: 1;
  pointer-events: auto;
}
.nav__brand-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.nav__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}
.nav__links {
  display: flex;
  gap: 2rem;
  font-size: 0.875rem;
  color: var(--fg-2);
}
.nav__links a {
  transition: color .2s ease;
}
.nav__links a:hover { color: var(--fg-0); }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--fg-0);
  transition: background .2s ease, border-color .2s ease;
}
.nav__cta:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(148, 163, 184, 0.35);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switcher {
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--fg-2);
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  transition: color .2s ease, border-color .2s ease;
}
.lang-switcher:hover {
  color: var(--fg-0);
  border-color: rgba(148, 163, 184, 0.35);
}

@media (max-width: 720px) {
  .nav__links { display: none; }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
  }
}


/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 3rem;
  padding-block: clamp(4rem, 9vh, 7rem) clamp(4rem, 9vh, 6rem);
  min-height: calc(100vh - 64px);
}

.hero__copy { z-index: 2; max-width: 580px; }

.hero__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.hero__brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.hero__brand span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--fg-0);
}


.hero__title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin: 0 0 1.5rem;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--brand-blue) 0%, var(--brand-purple) 50%, var(--brand-magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  color: var(--fg-2);
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 0 0 2.25rem;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.4rem;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1;
}
.btn--primary {
  background: linear-gradient(180deg, #fff 0%, #e2e8f0 100%);
  color: var(--bg-0);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    0 8px 28px -8px rgba(28, 113, 244, 0.5);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    0 14px 36px -10px rgba(146, 69, 254, 0.55);
}
.btn--ghost {
  background: rgba(255,255,255,0.03);
  border-color: var(--line-strong);
  color: var(--fg-0);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(148, 163, 184, 0.35);
}

/* Hero visual container */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 680px;
  justify-self: end;
  overflow: visible;
  transform: translateX(8%);
}
.hero__visual::before {
  content: "";
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(circle at 62% 50%, var(--glow-blue) 0%, transparent 50%),
    radial-gradient(circle at 65% 42%, var(--glow-purple) 0%, transparent 55%);
  filter: blur(40px);
  z-index: -1;
  animation: ambient-breathe 9s ease-in-out infinite;
}
@keyframes ambient-breathe {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.04); }
}
.hero__svg { width: 100%; height: 100%; }

/* Layer animations */
.layer {
  transform-box: fill-box;
  transform-origin: center;
  will-change: transform;
}
.layer--back  { animation: drift-back 35s ease-in-out infinite; }
.layer--mid   { animation: drift-mid  28s ease-in-out infinite; }
.layer--front { animation: drift-front 20s ease-in-out infinite; }

@keyframes drift-back {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50%      { transform: translate3d(-14px, 10px, 0) rotate(0.6deg); }
}
@keyframes drift-mid {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50%      { transform: translate3d(10px, -12px, 0) rotate(-0.5deg); }
}
@keyframes drift-front {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50%      { transform: translate3d(-6px, 8px, 0) rotate(0.3deg); }
}

.node {
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse 4s ease-in-out infinite;
}
.node:nth-child(3n)   { animation-duration: 5.2s; animation-delay: -0.7s; }
.node:nth-child(3n+1) { animation-duration: 6.4s; animation-delay: -1.9s; }
.node:nth-child(5n)   { animation-duration: 7.1s; animation-delay: -3.2s; }
.node:nth-child(7n)   { animation-duration: 4.6s; animation-delay: -2.4s; }

@keyframes pulse {
  0%, 100% { opacity: 0.75; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.18); }
}

.conn { fill: none; stroke-linecap: round; }
.conn--base { stroke: url(#grad-conn); stroke-width: 0.6; opacity: 0.35; }
.conn--flow {
  stroke: url(#grad-flow);
  stroke-width: 1;
  stroke-dasharray: 8 220;
  animation: flow 6s linear infinite;
}
.conn--flow:nth-of-type(2n) { animation-duration: 8.5s; animation-delay: -2s; }
.conn--flow:nth-of-type(3n) { animation-duration: 10s;  animation-delay: -4s; }
.conn--flow:nth-of-type(5n) { animation-duration: 7s;   animation-delay: -1s; }
.conn--flow:nth-of-type(7n) { animation-duration: 9s;   animation-delay: -3.5s; }

@keyframes flow {
  from { stroke-dashoffset: 228; }
  to   { stroke-dashoffset: 0;   }
}

.core-halo {
  transform-box: fill-box;
  transform-origin: center;
  animation: core-breathe 8s ease-in-out infinite;
}
@keyframes core-breathe {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}

/* Logo at the core: subtle breathing pulse (3% scale), independent timing.
   transform-origin via the SVG attribute trick: use transform-box. */
.core-logo {
  transform-box: fill-box;
  transform-origin: center;
  animation: logo-breathe 10s ease-in-out infinite;
  will-change: transform, opacity;
}
@keyframes logo-breathe {
  0%, 100% { transform: scale(1);    opacity: 0.95; }
  50%      { transform: scale(1.03); opacity: 1;    }
}

@media (max-width: 720px) {
  .core-logo { display: none; }
}


/* ============================================================
   SECTIONS — shared structure
   ============================================================ */
.section {
  padding-block: clamp(5rem, 10vh, 8rem);
  position: relative;
}
.section__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}
.section__label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.section__label-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-blue);
  box-shadow: 0 0 10px var(--brand-blue);
}
.section__title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0.5rem 0 0;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section__intro {
  color: var(--fg-2);
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 56ch;
  margin: 0;
}

@media (max-width: 900px) {
  .section__head {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ============================================================
   SOLUTIONS — 4 cards grid
   ============================================================ */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
@media (max-width: 720px) { .solutions__grid { grid-template-columns: 1fr; } }

.solution {
  position: relative;
  background: var(--bg-0);
  padding: 2.75rem 2.5rem;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background .35s ease;
}
.solution::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(146, 69, 254, 0.18) 0%, transparent 55%);
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.solution:hover {
  background: rgba(146, 69, 254, 0.025);
}
.solution:hover::before { opacity: 1; }

.solution__num {
  font-size: 0.875rem;
  font-feature-settings: "tnum";
  color: var(--fg-3);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
.solution__title {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 0.75rem;
  color: var(--fg-0);
}
.solution__desc {
  color: var(--fg-2);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}
.solution__icon {
  margin-bottom: 1.25rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(28, 113, 244, 0.15), rgba(146, 69, 254, 0.15));
  border: 1px solid var(--line-strong);
}
.solution__icon svg { width: 16px; height: 16px; }

/* ============================================================
   PRODUCTS
   ============================================================ */
.products__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 900px) { .products__grid { grid-template-columns: 1fr; } }

.product-card {
  position: relative;
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.005));
  overflow: hidden;
  transition: border-color .3s ease, transform .3s ease;
  display: flex;
  flex-direction: column;
  min-height: 360px;
}
.product-card--featured::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(146, 69, 254, 0.35) 0%, transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.product-card--featured::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, var(--brand-purple) 50%, transparent 70%);
  background-size: 200% 200%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  animation: border-sweep 8s linear infinite;
  pointer-events: none;
}
@keyframes border-sweep {
  0%   { background-position: 0% 0%; }
  100% { background-position: 200% 200%; }
}
.product-card:hover { transform: translateY(-2px); }

.product-card__logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  opacity: 0.9;
  flex-shrink: 0;
}

.product-card__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--fg-2);
  background: rgba(255,255,255,0.03);
}
.tag--live {
  color: #4ade80;
  border-color: rgba(74, 222, 128, 0.3);
  background: rgba(74, 222, 128, 0.08);
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

.tag--live::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #4ade80;
  margin-right: 6px;
  box-shadow: 0 0 8px #4ade80;
  animation: blink 2s ease-in-out infinite;
}

.product-card__title {
  font-size: 1.875rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--fg-0);
  position: relative;
  z-index: 1;
}
.product-card__title a {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(120deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: background .25s ease;
}
.product-card__title a:hover {
  background: linear-gradient(120deg, var(--brand-blue), var(--brand-purple), var(--brand-magenta));
  -webkit-background-clip: text;
  background-clip: text;
}
.product-card__desc {
  color: var(--fg-2);
  font-size: 1rem;
  line-height: 1.65;
  margin: 0 0 2rem;
  max-width: 48ch;
  position: relative;
  z-index: 1;
}
.product-card__cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg-0);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  transition: background .25s ease, border-color .25s ease, gap .25s ease;
  align-self: flex-start;
  position: relative;
  z-index: 1;
}
.product-card__cta:hover {
  background: rgba(146, 69, 254, 0.12);
  border-color: rgba(146, 69, 254, 0.4);
  gap: 0.8rem;
}

.product-card--soon {
  border-style: dashed;
  background: transparent;
  align-items: flex-start;
  justify-content: center;
}
.product-card--soon .product-card__title { font-size: 1.5rem; }
.product-card--soon .product-card__desc { font-size: 0.9375rem; }

/* ============================================================
   CONTACT / CTA
   ============================================================ */
.contact {
  position: relative;
  padding-block: clamp(5rem, 10vh, 8rem);
  overflow: hidden;
}
.contact__inner {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(146, 69, 254, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 0% 100%, rgba(28, 113, 244, 0.15) 0%, transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.005));
  overflow: hidden;
}
.contact__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0 0 2.5rem;
  max-width: 22ch;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact__channels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
}
@media (max-width: 680px) { .contact__channels { grid-template-columns: 1fr; } }

.channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.channel:hover {
  border-color: rgba(146, 69, 254, 0.35);
  background: rgba(146, 69, 254, 0.04);
  transform: translateY(-1px);
}
.channel__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(28, 113, 244, 0.18), rgba(146, 69, 254, 0.18));
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.channel__icon svg { width: 18px; height: 18px; }
.channel__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-2);
  margin-bottom: 0.2rem;
}
.channel__value {
  color: var(--fg-0);
  font-size: 1rem;
  font-weight: 500;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
  margin-top: 2rem;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg-1);
}
.footer__brand-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
}
.footer__brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
}
.footer__links {
  display: flex;
  gap: 1.75rem;
  font-size: 0.875rem;
  color: var(--fg-2);
}
.footer__links a:hover { color: var(--fg-0); }
.footer__copy {
  color: var(--fg-3);
  font-size: 0.8125rem;
  width: 100%;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  margin-top: 0.5rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  position: relative;
  background-image: url('/halyon-mockup.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding-block: 6rem;
}

.about__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(5,7,13,0.93) 45%, rgba(5,7,13,0.70) 75%, rgba(5,7,13,0.50));
  pointer-events: none;
}

.about__content {
  position: relative;
  z-index: 1;
  max-width: 580px;
}

.about__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0.75rem 0 1.25rem;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--brand-blue) 0%, var(--brand-purple) 50%, var(--brand-magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about__desc {
  color: var(--fg-2);
  font-size: 1.0625rem;
  line-height: 1.65;
  margin: 0 0 2.5rem;
}

.about__founder {
  display: flex;
  align-items: flex-start;
  gap: 1.125rem;
  padding: 1.375rem 1.5rem;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 15, 31, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  max-width: 480px;
}

.about__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--line-strong);
}

.about__founder-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.about__founder-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--fg-0);
}

.about__founder-role {
  font-size: 0.8125rem;
  color: var(--fg-3);
}

.about__founder-quote {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.55;
  font-style: italic;
}

@media (max-width: 720px) {
  .about {
    padding-block: 4rem;
    background-position: 70% center;
  }
  .about__overlay {
    background: rgba(5,7,13,0.82);
  }
  .about__founder {
    max-width: 100%;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

/* Tablet (720-960px): título com mais peso, visual reduzido como acento */
@media (max-width: 960px) and (min-width: 721px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: auto;
    padding-block: 4rem 5rem;
    position: relative;
  }
  .hero__copy {
    order: 1;
    position: relative;
    z-index: 1;
    max-width: 100%;
  }
  /* Em tablet, posiciona o visual também como ambient backdrop à direita,
     mas mais visível que no mobile pequeno. */
  .hero__visual {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    width: 60%;
    max-width: 520px;
    aspect-ratio: 1 / 1;
    opacity: 0.55;
    z-index: 0;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(circle at 70% 50%, #000 0%, #000 35%, transparent 75%);
            mask-image: radial-gradient(circle at 70% 50%, #000 0%, #000 35%, transparent 75%);
  }
  .hero__title {
    font-size: clamp(2.75rem, 6vw, 4rem);
  }
}

/* Mobile (≤720px): visual vira backdrop atrás do conteúdo */
@media (max-width: 720px) {
  .hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: 5rem 4rem;
    min-height: 100vh;
    min-height: 100svh;
    overflow: hidden;
  }

  .hero__visual {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    max-width: 100vw;
    aspect-ratio: 1 / 1;
    opacity: 0.9;
    z-index: 0;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 55%, transparent 95%);
            mask-image: radial-gradient(ellipse at 50% 50%, #000 55%, transparent 95%);
  }

  .hero__svg {
    transform: scale(2.2);
    transform-origin: 50% 48%;
  }

  .core-halo {
    r: 290px;
  }

  .hero__visual::before {
    inset: -20%;
    background:
      radial-gradient(circle at 50% 50%, rgba(28, 113, 244, 0.10) 0%, transparent 55%),
      radial-gradient(circle at 50% 42%, rgba(146, 69, 254, 0.08) 0%, transparent 60%);
    filter: blur(60px);
  }

  .hero__copy {
    position: relative;
    z-index: 1;
    text-align: center;
  }

  .hero__brand {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 4.5rem;
  }

  .hero__brand img {
    width: 64px;
    height: 64px;
  }

  .hero__brand span {
    font-size: 2rem;
    letter-spacing: -0.025em;
    background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero__title {
    font-size: clamp(1.75rem, 7vw, 2.25rem);
    margin-bottom: 1rem;
  }

  .hero__sub {
    font-size: 0.9375rem;
    max-width: 36ch;
    margin: 0 auto 1.75rem;
  }

  .hero__actions {
    justify-content: center;
    gap: 0.625rem;
  }

  .btn {
    padding: 0.8rem 1.2rem;
    font-size: 0.875rem;
  }
}

/* Nav: compactar CTA em mobile — esconde label, mantém só ícone */
@media (max-width: 720px) {
  .nav__cta-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
  .nav__cta {
    padding: 0.55rem 0.7rem;
    gap: 0;
  }
  .nav__cta svg {
    width: 14px;
    height: 14px;
  }
}