/* ==============================================
   m2 Intelligence — Design System
   m2int.com.br
   ============================================== */

@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,700,900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* === TOKENS === */
:root {
  --bg:           #0F1115;
  --surface:      #171A20;
  --divider:      #2A2F38;
  --text:         #F5F5F2;
  --text-muted:   #A7ADB5;
  --accent:       #3E5F73;
  --accent-light: #5F7D92;

  --font-display: 'Satoshi', sans-serif;
  --font-body:    'Inter', sans-serif;

  --nav-h:    72px;
  --max-w:   1200px;
  --pad:        24px;
  --section-v: 112px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm:  6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 16px; 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; border: none; background: none; font: inherit; }

/* === LAYOUT === */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); }

/* === TYPOGRAPHY === */
.label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent-light);
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; color: var(--text); }
h1 { font-size: clamp(30px, 4.5vw, 52px); font-weight: 900; }
h2 { font-size: clamp(26px, 3.5vw, 40px); font-weight: 700; }
h3 { font-size: clamp(17px, 2vw, 21px); font-weight: 600; }

p { color: var(--text-muted); line-height: 1.7; }

em.highlight { font-style: normal; color: var(--accent-light); }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 120ms ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn--primary  { background: var(--accent); color: var(--text); border: 1px solid var(--accent); }
.btn--primary:hover { background: var(--accent-light); border-color: var(--accent-light); }

.btn--ghost    { background: transparent; color: var(--text); border: 1px solid var(--divider); }
.btn--ghost:hover { border-color: var(--text-muted); }

.btn--white    { background: var(--text); color: var(--bg); border: 1px solid var(--text); }
.btn--white:hover { background: #e5e5e2; }

.micro-copy {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* === DIVIDER LINE === */
.rule { width: 36px; height: 2px; background: var(--accent); margin: 20px 0; }
.rule--center { margin-left: auto; margin-right: auto; }

/* === SECTION HEADER === */
.section-hdr         { margin-bottom: 56px; max-width: 600px; }
.section-hdr .label  { margin-bottom: 14px; }
.section-hdr h2      { margin-bottom: 12px; }
.section-hdr p       { font-size: 17px; max-width: 520px; }
.section-hdr--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-hdr--center .rule { margin-left: auto; margin-right: auto; }
.section-hdr--center p { margin-left: auto; margin-right: auto; }

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 280ms ease, border-color 280ms ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(15, 17, 21, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--divider);
}
.nav__inner {
  width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad);
  display: flex; align-items: center; gap: 40px;
}
.nav__logo        { display: flex; align-items: center; }
.nav__logo img    { display: block; }
.nav__links       { display: flex; align-items: center; gap: 28px; margin-right: auto; margin-left: 16px; }
.nav__links a     { font-size: 14px; color: var(--text-muted); transition: color 180ms ease; }
.nav__links a:hover { color: var(--text); }
.nav__burger      { display: none; flex-direction: column; gap: 5px; width: 22px; margin-left: auto; }
.nav__burger span { display: block; height: 1.5px; background: var(--text); border-radius: 2px; transition: all 260ms ease; }

/* mobile overlay */
.nav__mobile {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  padding: calc(var(--nav-h) + 40px) var(--pad) 40px;
  flex-direction: column; gap: 0;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-family: var(--font-display); font-size: 22px; font-weight: 500;
  color: var(--text); padding: 16px 0;
  border-bottom: 1px solid var(--divider);
  transition: color 180ms ease;
}
.nav__mobile a:hover { color: var(--accent-light); }
.nav__mobile .btn { margin-top: 32px; justify-content: center; padding: 16px; font-size: 15px; }

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 72px) 0 80px;
  background: var(--bg);
}
.hero__grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 72px; align-items: center;
}
.hero__label   { margin-bottom: 24px; }
.hero__h1      { margin-bottom: 24px; }
.hero__sub {
  font-size: 17px; line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 40px; max-width: 460px;
}
.hero__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }

.hero__img {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 4/3;
  background: var(--surface); border: 1px solid var(--divider);
}
.hero__img img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.8) saturate(0.9);
}
.hero__img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(62,95,115,0.18) 0%, rgba(15,17,21,0.35) 100%);
}
/* placeholder when hero.jpg is missing */
.hero__img--empty {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, #171A20 0%, #1a2530 50%, #141820 100%);
}
.hero__img--empty::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--divider) 1px, transparent 1px),
    linear-gradient(90deg, var(--divider) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.3;
}

/* =============================================
   PROBLEM SECTION
   ============================================= */
.problem { padding: var(--section-v) 0; background: var(--surface); }
.problem__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.problem__card {
  padding: 36px 28px;
  border: 1px solid var(--divider); border-radius: var(--radius-md);
  background: var(--bg);
  transition: border-color 250ms ease, transform 250ms var(--ease);
}
.problem__card:hover { border-color: var(--accent); transform: translateY(-2px); }
.problem__icon {
  width: 44px; height: 44px;
  background: rgba(62,95,115,0.10);
  border: 1px solid rgba(62,95,115,0.25);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.problem__icon svg { width: 20px; height: 20px; stroke: var(--accent-light); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.problem__card h3  { margin-bottom: 12px; font-size: 16px; }
.problem__card p   { font-size: 14.5px; line-height: 1.65; }

/* =============================================
   DIFFERENCE SECTION
   ============================================= */
.difference { padding: var(--section-v) 0; background: var(--bg); }
.difference__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--divider); border-radius: var(--radius-lg);
  overflow: hidden;
}
.difference__item {
  padding: 44px 36px;
  border-right: 1px solid var(--divider);
  background: var(--surface);
  transition: background 250ms ease;
}
.difference__item:last-child { border-right: none; }
.difference__item:hover { background: #1c2130; }
.difference__num {
  font-family: var(--font-body); font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px;
}
.difference__item h3 { margin-bottom: 14px; font-size: 18px; }
.difference__item p  { font-size: 14.5px; }

/* =============================================
   PRODUCT SECTION
   ============================================= */
.product { padding: var(--section-v) 0; background: var(--surface); }
.product__grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: 80px; align-items: center;
}
.product__visual {
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 52px;
}
.product__visual img { width: 100%; max-width: 260px; }
.product__label  { margin-bottom: 16px; }
.product__title  { margin-bottom: 6px; }
.product__sub {
  font-family: var(--font-display); font-size: 18px; font-weight: 400;
  color: var(--text-muted); margin-bottom: 22px; line-height: 1.5;
}
.product__desc   { font-size: 15.5px; margin-bottom: 36px; max-width: 480px; }
.product__models {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; margin-bottom: 36px;
}
.product__model  {
  padding: 20px; border: 1px solid var(--divider);
  border-radius: var(--radius-sm); background: var(--surface);
}
.product__model h4 { font-size: 13px; color: var(--accent-light); margin-bottom: 8px; }
.product__model p  { font-size: 13px; line-height: 1.55; }

/* =============================================
   HOW IT WORKS
   ============================================= */
.how { padding: var(--section-v) 0; background: var(--bg); }
.how__steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  position: relative; gap: 0;
}
.how__connector {
  position: absolute; top: 36px;
  left: calc(33.33% - 16px); right: calc(33.33% - 16px);
  height: 1px; background: var(--divider);
  pointer-events: none;
}
.how__step       { padding: 0 36px 0 0; }
.how__step:last-child { padding-right: 0; }
.how__circle {
  width: 56px; height: 56px; border-radius: 50%;
  border: 1px solid var(--accent); background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px; position: relative; z-index: 1;
  font-family: var(--font-display); font-size: 15px;
  font-weight: 700; color: var(--accent-light);
}
.how__step h3  { margin-bottom: 12px; font-size: 18px; }
.how__step p   { font-size: 14.5px; }

/* =============================================
   ABOUT SECTION
   ============================================= */
.about { padding: var(--section-v) 0; background: var(--surface); }
.about__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}
.about__label   { margin-bottom: 28px; }
.about__quote {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 24px); font-weight: 500;
  line-height: 1.5; color: var(--text);
  padding-left: 24px; border-left: 2px solid var(--accent);
  margin-bottom: 28px;
}
.about__text    { font-size: 15.5px; margin-bottom: 32px; }
.about__author h4 { font-size: 15px; margin-bottom: 3px; }
.about__author span { font-size: 13px; color: var(--text-muted); }
.about__cta     { margin-top: 36px; }

.about__stats {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg); overflow: hidden;
}
.about__stat {
  padding: 36px 28px;
  border-right: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: var(--bg);
}
.about__stat:nth-child(2n) { border-right: none; }
.about__stat:nth-child(3), .about__stat:nth-child(4) { border-bottom: none; }
.about__stat-val {
  font-family: var(--font-display); font-size: 38px;
  font-weight: 900; color: var(--text);
  line-height: 1; margin-bottom: 10px;
}
.about__stat-val em { font-style: normal; color: var(--accent-light); font-size: 0.6em; vertical-align: super; }
.about__stat p  { font-size: 13px; line-height: 1.55; }

/* =============================================
   CTA SECTION
   ============================================= */
.cta-band {
  padding: 100px 0;
  background: var(--accent);
  text-align: center;
}
.cta-band h2 { color: var(--text); font-size: clamp(26px, 3.5vw, 42px); margin-bottom: 16px; }
.cta-band .sub {
  font-size: 17px; color: rgba(245,245,242,0.72);
  max-width: 440px; margin: 0 auto 44px;
}
.cta-band .micro-copy { color: rgba(245,245,242,0.55); }

/* =============================================
   FOOTER
   ============================================= */
.footer { padding: 72px 0 40px; border-top: 1px solid var(--divider); background: var(--bg); }
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer__logo img  { display: block; }
.footer__tagline   { font-size: 13px; color: var(--text-muted); line-height: 1.65; max-width: 200px; margin-bottom: 18px; }
.footer__contact a { font-size: 14px; color: var(--accent-light); transition: color 180ms ease; }
.footer__contact a:hover { color: var(--text); }
.footer__col h5 {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 18px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 11px; }
.footer__col ul a { font-size: 13.5px; color: var(--text-muted); transition: color 180ms ease; }
.footer__col ul a:hover { color: var(--text); }
.footer__bottom {
  padding-top: 28px; border-top: 1px solid var(--divider);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer__copy, .footer__legal { font-size: 12.5px; color: var(--text-muted); }
.footer__legal a { color: var(--text-muted); text-decoration: underline; text-underline-offset: 3px; transition: color 180ms ease; }
.footer__legal a:hover { color: var(--text); }

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-up {
  opacity: 0; transform: translateY(22px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.d1 { transition-delay: 90ms; }
.fade-up.d2 { transition-delay: 180ms; }
.fade-up.d3 { transition-delay: 270ms; }

/* =============================================
   FORM (contact page)
   ============================================= */
.form-wrap { max-width: 560px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; letter-spacing: 0.02em; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: var(--surface);
  border: 1px solid var(--divider); border-radius: var(--radius-sm);
  padding: 13px 16px; font-family: var(--font-body); font-size: 14.5px;
  color: var(--text); outline: none;
  transition: border-color 200ms ease;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent-light); }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A7ADB5' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; cursor: pointer; }
.form-group textarea { height: 120px; resize: vertical; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.55; }
.form-success { text-align: center; padding: 48px 0; }
.form-success svg { margin: 0 auto 20px; }
.form-success h3 { margin-bottom: 12px; }
.form-success p  { font-size: 15px; }

/* =============================================
   SOCIAL PROOF SECTION
   ============================================= */
.social-proof { padding: var(--section-v) 0; background: var(--surface); }
.social-proof__block {
  max-width: 780px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 52px 56px;
  background: var(--bg);
  position: relative;
}
.social-proof__badge {
  font-size: 11px; font-weight: 600; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--accent-light);
  margin-bottom: 24px; display: block;
}
.social-proof__quote {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 500; line-height: 1.55;
  color: var(--text); margin-bottom: 32px;
}
.social-proof__meta { display: flex; align-items: center; gap: 16px; }
.social-proof__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
.social-proof__meta-text p { font-size: 14px; line-height: 1.4; }
.social-proof__meta-text strong { color: var(--text); font-family: var(--font-display); }

/* =============================================
   PRACTICE SECTION (O que acontece na prática)
   ============================================= */
.practice { padding: var(--section-v) 0; background: var(--bg); }
.practice__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.practice__card {
  border: 1px solid var(--divider); border-radius: var(--radius-md);
  overflow: hidden;
}
.practice__card-before {
  padding: 24px 24px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
}
.practice__card-after {
  padding: 24px 24px 20px;
  background: var(--bg);
}
.practice__tag {
  font-size: 10px; font-weight: 600; letter-spacing: 0.09em;
  text-transform: uppercase; margin-bottom: 12px; display: block;
}
.practice__tag--before { color: var(--text-muted); }
.practice__tag--after  { color: var(--accent-light); }
.practice__card p { font-size: 14px; line-height: 1.65; }

/* =============================================
   FAQ SECTION
   ============================================= */
.faq { padding: var(--section-v) 0; background: var(--surface); }
.faq__list { max-width: 720px; display: flex; flex-direction: column; gap: 0; }
.faq__item {
  border-bottom: 1px solid var(--divider);
  padding: 28px 0;
}
.faq__item:first-child { border-top: 1px solid var(--divider); }
.faq__q {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 600;
  color: var(--text); margin-bottom: 12px;
}
.faq__a { font-size: 15px; line-height: 1.7; max-width: 640px; }

/* =============================================
   ARQOS MOCKUP (interface visual)
   ============================================= */
.arqos-mockup {
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  overflow: hidden; background: var(--bg);
  font-family: var(--font-body); font-size: 13px;
  width: 100%; max-width: 420px;
}
.arqos-mockup__bar {
  display: flex; align-items: center; gap: 6px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
}
.arqos-mockup__bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--divider); flex-shrink: 0;
}
.arqos-mockup__bar-title {
  margin-left: auto; margin-right: auto;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted);
}
.arqos-mockup__body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.arqos-mockup__panel {
  background: var(--surface); border: 1px solid var(--divider);
  border-radius: var(--radius-sm); padding: 14px 16px;
}
.arqos-mockup__panel-label {
  font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent-light);
  margin-bottom: 10px; display: block;
}
.arqos-mockup__panel p {
  font-size: 12.5px; color: var(--text); line-height: 1.5; margin-bottom: 4px;
}
.arqos-mockup__panel p:last-child { margin-bottom: 0; }
.arqos-mockup__msg {
  background: var(--surface); border: 1px solid var(--divider);
  border-radius: var(--radius-sm); padding: 14px 16px;
}
.arqos-mockup__msg-agent {
  font-size: 9px; font-weight: 700; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--accent-light);
  margin-bottom: 8px; display: block;
}
.arqos-mockup__msg p { font-size: 12.5px; color: var(--text); line-height: 1.55; }
.arqos-mockup__progress { display: flex; flex-direction: column; gap: 8px; padding: 4px 0; }
.arqos-mockup__progress span {
  font-size: 11px; color: var(--text-muted); letter-spacing: 0.03em;
}
.arqos-mockup__bar-prog {
  height: 3px; background: var(--divider); border-radius: 2px; overflow: hidden;
}
.arqos-mockup__bar-prog div {
  height: 100%; width: 72%; background: var(--accent);
  border-radius: 2px;
}

/* =============================================
   ABOUT STATS — 3 cols variant
   ============================================= */
.about__stats--3 { grid-template-columns: repeat(3, 1fr); }

/* =============================================
   PROMPT CARDS
   ============================================= */
.prompt-card {
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  background: var(--bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.prompt-card__label {
  padding: 13px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.prompt-card__body {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1;
}
.prompt-card__q-badge,
.prompt-card__a-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 3px 8px;
  margin-bottom: 8px;
}
.prompt-card__q-badge {
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--divider);
}
.prompt-card__a-badge {
  color: var(--accent-light);
  background: rgba(62,95,115,0.12);
  border: 1px solid var(--accent);
}
.prompt-card__q-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
}
.prompt-card__sep {
  height: 1px;
  background: var(--divider);
}
.prompt-card__a-text {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* Inline prompt block (inside layer cards) */
.prompt-inline {
  margin-top: 20px;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-sm);
}
.prompt-inline__q {
  font-size: 12px;
  font-style: italic;
  color: var(--text);
  margin-bottom: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--divider);
}
.prompt-inline__a {
  font-size: 12px;
  color: var(--accent-light);
  padding-left: 10px;
  border-left: 2px solid var(--accent);
}

/* =============================================
   INTEGRATIONS GRID
   ============================================= */
.integrations-section { padding: var(--section-v) 0; background: var(--surface); }
.integrations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 860px;
}
.integration-badge {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 22px 16px;
  border: 1px solid var(--divider); border-radius: var(--radius-md);
  background: var(--bg); transition: border-color 220ms ease, background 220ms ease;
  cursor: default;
}
.integration-badge:hover { border-color: var(--accent); background: rgba(62,95,115,0.06); }
.integration-badge svg { color: var(--accent-light); flex-shrink: 0; }
.integration-badge span {
  font-size: 11.5px; font-weight: 500; color: var(--text-muted);
  text-align: center; letter-spacing: 0.01em;
}
.integration-badge span:first-of-type {
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
}
.integration-badge__caption {
  font-size: 11px !important; font-weight: 400 !important;
  color: var(--text-muted) !important; line-height: 1.4;
  text-align: center; letter-spacing: 0;
}

/* =============================================
   PRODUCTS CARDS (2 produtos side-by-side)
   ============================================= */
.products-duo {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; max-width: 860px;
}
.product-card {
  padding: 40px 36px;
  border: 1px solid var(--divider); border-radius: var(--radius-lg);
  background: var(--bg); display: flex; flex-direction: column; gap: 16px;
}
.product-card--featured { border-color: var(--accent); }
.product-card__eyebrow {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--accent-light);
}
.product-card h3 { font-size: 22px; margin: 0; }
.product-card p { font-size: 14.5px; line-height: 1.65; }
.product-card .btn { margin-top: auto; align-self: flex-start; }

/* =============================================
   BEFORE/AFTER (como-funciona)
   ============================================= */
.before-after-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.ba-card {
  border: 1px solid var(--divider); border-radius: var(--radius-md);
  overflow: hidden;
}
.ba-card__before {
  padding: 20px 22px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
}
.ba-card__after {
  padding: 20px 22px;
  background: var(--bg);
}
.ba-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; display: block; margin-bottom: 10px;
}
.ba-tag--before { color: var(--text-muted); }
.ba-tag--after  { color: var(--accent-light); }
.ba-card p { font-size: 14px; line-height: 1.65; }

/* =============================================
   AGENT GRID CARDS
   ============================================= */
.agents-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.agent-card {
  padding: 28px 24px;
  border: 1px solid var(--divider); border-radius: var(--radius-md);
  background: var(--bg); transition: border-color 200ms ease;
}
.agent-card:hover { border-color: var(--accent); }
.agent-icon { width: 36px; height: 36px; margin-bottom: 16px; color: var(--accent-light); }
.agent-card__area {
  font-size: 10px; font-weight: 600; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--accent-light); margin-bottom: 8px;
}
.agent-card h4 { font-size: 15px; margin-bottom: 8px; }
.agent-card p  { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 10px; }
.agent-card__example {
  font-size: 12px; color: var(--text-muted); font-style: italic;
  padding: 10px 12px; background: var(--surface);
  border: 1px solid var(--divider); border-radius: var(--radius-sm);
  line-height: 1.55;
}

/* =============================================
   PROOF BLOCK (prova social)
   ============================================= */
.proof-block {
  max-width: 680px;
  padding: 40px 48px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  background: var(--bg);
  position: relative;
}
.proof-block__eyebrow {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--accent-light); margin-bottom: 20px; display: block;
}
.proof-block__text {
  font-family: var(--font-display); font-size: clamp(16px, 2vw, 20px);
  font-weight: 500; line-height: 1.55; color: var(--text); margin-bottom: 28px;
}
.proof-block__meta { display: flex; align-items: center; gap: 14px; }
.proof-block__dot  { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.proof-block__meta-text p { font-size: 13.5px; line-height: 1.4; }
.proof-block__meta-text strong { color: var(--text); font-family: var(--font-display); }

/* =============================================
   TIMELINE (ícone SVG por etapa)
   ============================================= */
.timeline { display: flex; flex-direction: column; gap: 0; max-width: 740px; }
.timeline-item { display: grid; grid-template-columns: 52px 1fr; gap: 32px; padding-bottom: 52px; position: relative; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-num {
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--accent); background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--accent-light);
  flex-shrink: 0; position: relative; z-index: 1;
}
.timeline-item::before {
  content: ''; position: absolute;
  left: 25px; top: 52px; bottom: 0;
  width: 1px; background: var(--divider);
}
.timeline-item:last-child::before { display: none; }
.timeline-body { padding-top: 12px; }
.timeline-body h3 { font-size: 19px; margin-bottom: 10px; }
.timeline-body p  { font-size: 15px; }
.timeline-tag {
  display: inline-block; margin-top: 14px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--accent-light); background: rgba(62,95,115,0.10);
  padding: 4px 10px; border-radius: 4px;
}

/* =============================================
   SOBRE — PRINCIPLES GRID
   ============================================= */
.principios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.principio-card {
  padding: 32px 28px;
  border: 1px solid var(--divider); border-radius: var(--radius-md); background: var(--bg);
}
.principio-card h3 { font-size: 16px; margin-bottom: 12px; }
.principio-card p  { font-size: 14px; color: var(--text-muted); }

/* =============================================
   HERO IMG (foto real com fallback)
   ============================================= */
.hero-img-wrap {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 4/3;
  background: var(--surface); border: 1px solid var(--divider);
}
.hero-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.82) saturate(0.88);
}
.hero-img-wrap .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(62,95,115,0.15) 0%, rgba(15,17,21,0.3) 100%);
}
.hero-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, #171A20 0%, #1a2530 60%, #141820 100%);
}

/* =============================================
   NAV LOGO — 4-crop.png (já recortada, sem espaço em branco)
   ============================================= */
.nav__logo {
  display: flex;
  align-items: center;
}
.nav__logo img {
  display: block;
  width: 168px;
  height: auto;
}

/* =============================================
   FOOTER LOGO
   ============================================= */
.footer__logo {
  margin-bottom: 16px;
}
.footer__logo img {
  display: block;
  width: 130px;
  height: auto;
  opacity: 0.85;
  transition: opacity 200ms ease;
}
.footer__logo a:hover img { opacity: 1; }

/* =============================================
   INTEGRATIONS — grid full-width (sem imagem redundante)
   ============================================= */
.integrations-badges-full {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

/* =============================================
   ARQOS HERO GRID
   ============================================= */
.arqos-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.arqos-hero-visual { display: flex; align-items: center; }

/* =============================================
   COMPARE GRID (arqos.html)
   ============================================= */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
}

/* =============================================
   PROMPT CARDS — 3 colunas (arqos.html)
   ============================================= */
.prompt-cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* =============================================
   HERO VISUAL — TERMINAL MOCKUP
   ============================================= */
.hero__visual-wrap {
  position: relative;
}
.hero-terminal {
  background: #0A0C0F;
  border: 1px solid var(--divider);
  border-radius: 10px;
  overflow: hidden;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  box-shadow: 0 32px 80px rgba(0,0,0,0.55);
}
.hero-terminal__bar {
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
  padding: 11px 16px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.hero-terminal__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.hero-terminal__name {
  margin-left: 6px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}
.hero-terminal__body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
}
.hero-terminal__line { color: var(--text-muted); }
.hero-terminal__spacer { height: 14px; }
.ht-dir   { color: var(--accent-light); }
.ht-sym   { color: #5A6470; }
.ht-cmd   { color: #E8E3D5; }
.ht-section { color: var(--text); font-weight: 500; }
.ht-item  { display: flex; align-items: flex-start; gap: 10px; }
.ht-arrow { color: var(--accent-light); flex-shrink: 0; }
.ht-focus { color: #8FB8A4; }
.ht-cursor {
  color: var(--accent-light);
  animation: terminal-blink 1.1s step-end infinite;
}
@keyframes terminal-blink { 50% { opacity: 0; } }

/* =============================================
   RESPONSIVE — TABLET ≤ 1024px
   ============================================= */
@media (max-width: 1024px) {
  :root { --section-v: 80px; }
  .hero__grid    { grid-template-columns: 1fr; gap: 48px; }
  .hero__img img { display: none; }
  .hero__img     { aspect-ratio: unset; min-height: 180px; }
  .product__grid { grid-template-columns: 1fr; gap: 48px; }
  .product__visual { max-width: 380px; }
  .about__grid   { grid-template-columns: 1fr; gap: 52px; }
  .footer__grid  { grid-template-columns: 1fr 1fr; gap: 36px; }
  .practice__grid { grid-template-columns: 1fr; }
  .about__stats--3 { grid-template-columns: 1fr 1fr 1fr; }
  .social-proof__block { padding: 40px 36px; }
  .integrations-grid { grid-template-columns: repeat(4, 1fr); }
  .integrations-badges-full { grid-template-columns: repeat(3, 1fr); }
  .arqos-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .compare-grid { grid-template-columns: 1fr; }
  .prompt-cards-3 { grid-template-columns: 1fr; }
  .agents-grid { grid-template-columns: repeat(2, 1fr); }
  .before-after-grid { grid-template-columns: 1fr; }
  .products-duo { grid-template-columns: 1fr; }
  .principios-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   RESPONSIVE — MOBILE ≤ 768px
   ============================================= */
@media (max-width: 768px) {
  :root { --section-v: 64px; --nav-h: 64px; }

  /* Nav */
  .nav__links, .nav__cta-btn { display: none; }
  .nav__burger { display: flex; }

  /* Hero */
  .hero { min-height: auto; padding: calc(var(--nav-h) + 52px) 0 64px; }

  /* Grids → single column */
  .problem__grid     { grid-template-columns: 1fr; gap: 16px; }
  .difference__grid  { grid-template-columns: 1fr; }
  .difference__item  { border-right: none; border-bottom: 1px solid var(--divider); }
  .difference__item:last-child { border-bottom: none; }
  .how__steps        { grid-template-columns: 1fr; gap: 40px; }
  .how__connector    { display: none; }
  .how__step         { padding: 0; }
  .product__models   { grid-template-columns: 1fr; }
  .about__stats      { grid-template-columns: 1fr; }
  .about__stat       { border-right: none; border-bottom: 1px solid var(--divider); }
  .about__stat:nth-child(2n) { border-right: none; }
  .footer__grid      { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom    { flex-direction: column; gap: 8px; }

  /* Typography adjustments */
  .section-hdr { margin-bottom: 40px; }
  .hero__sub   { font-size: 15.5px; }

  /* New sections */
  .practice__grid { grid-template-columns: 1fr; }
  .about__stats--3 { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr !important; }
  .about__stat { border-right: none !important; border-bottom: 1px solid var(--divider); }
  .about__stat:last-child { border-bottom: none; }
  .social-proof__block { padding: 32px 24px; }
  .faq__q { font-size: 15px; }
  .arqos-mockup { max-width: 100%; }

  /* Novos componentes */
  .integrations-grid { grid-template-columns: repeat(2, 1fr); }
  .integrations-badges-full { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: 1fr; }
  .prompt-cards-3 { grid-template-columns: 1fr; }
  .products-duo      { grid-template-columns: 1fr; }
  .before-after-grid { grid-template-columns: 1fr; }
  .agents-grid       { grid-template-columns: repeat(2, 1fr); }
  .principios-grid   { grid-template-columns: 1fr; }
  .proof-block       { padding: 28px 24px; }
  .timeline-item     { grid-template-columns: 40px 1fr; gap: 20px; }
  .timeline-num      { width: 40px; height: 40px; font-size: 12px; }
  .timeline-item::before { left: 19px; }
  .product-card      { padding: 28px 24px; }
}