/* ============ N&N Logistics Consulting ============ */
:root {
  --navy-950: #010a1f;
  --navy-900: #020f2e;
  --navy-800: #061a44;
  --navy-700: #0b2860;
  --blue: #1f6bff;
  --blue-soft: #6ea0ff;
  --accent: #1f6bff;
  --accent-soft: #7aa8ff;
  --ivory: #eaf0fa;
  --paper: #f7f9fd;
  --ink: #0a1630;
  --muted: #5a6685;
  --line: rgba(110, 160, 255, .28);

  --serif: "Cormorant Garamond", "Georgia", serif;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container { width: min(1180px, 100% - 48px); margin-inline: auto; }
.container.narrow { width: min(820px, 100% - 48px); }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.1; margin: 0; letter-spacing: -.01em; }
h2 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); }
em { font-style: italic; color: var(--accent-soft); }

.eyebrow {
  font-size: .74rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--accent);
  margin: 0 0 1.4rem;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before { content: ""; width: 38px; height: 1px; background: var(--accent); }

.rule { width: 64px; height: 1px; background: var(--accent); margin-top: 1.8rem; }

/* ============ Header ============ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: calc(22px + env(safe-area-inset-top, 0px)) 0 22px;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.scrolled {
  background: rgba(1, 10, 31, .92);
  backdrop-filter: blur(14px);
  padding: calc(12px + env(safe-area-inset-top, 0px)) 0 12px;
  box-shadow: 0 1px 0 rgba(31, 107, 255, .25);
}
.header-inner { display: flex; align-items: center; gap: 36px; }

.logo { display: flex; align-items: center; gap: 14px; color: #fff; }
.logo-mark {
  width: 46px; height: 46px; border: 3px solid #fff; border-radius: 7px;
  display: grid; grid-auto-flow: column; place-content: center; gap: 0;
  font-family: var(--sans); font-weight: 600; font-size: 1.25rem; line-height: 1;
}
.logo-mark .amp { color: var(--blue); margin-left: -2px; transform: translateY(5px); font-size: 1.35rem; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text strong { font-family: var(--sans); font-weight: 600; font-size: 1.6rem; letter-spacing: .02em; }
.logo-text small { font-size: .52rem; letter-spacing: .2em; margin-top: 4px; font-weight: 400; opacity: .9; line-height: 1.35; }
.logo-img { height: 58px; width: auto; transition: height .4s var(--ease); }
.site-header.scrolled .logo-img { height: 46px; }
.logo.small .logo-img { height: 50px; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 34px; }
.nav a {
  color: rgba(255, 255, 255, .86);
  font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 400;
  position: relative; padding: 6px 0; transition: color .3s;
}
.nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0; background: var(--accent);
  transition: width .4s var(--ease);
}
.nav a:hover { color: #fff; }
.nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  border: 1px solid var(--accent-soft); padding: 10px 22px !important; color: #fff !important;
  transition: background .3s, color .3s !important;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: #fff !important; }

.lang { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.4); font-size: .75rem; }
.lang button {
  background: none; border: 0; color: rgba(255,255,255,.6);
  letter-spacing: .18em; font-weight: 500; font-size: .75rem; padding: 4px 2px; transition: color .3s;
}
.lang button.active, .lang button:hover { color: var(--accent-soft); }

.burger { display: none; background: none; border: 0; width: 34px; height: 34px; position: relative; margin-left: auto; }
.burger span { position: absolute; left: 4px; right: 4px; height: 1.5px; background: #fff; transition: transform .35s var(--ease), top .35s var(--ease); }
.burger span:first-child { top: 12px; }
.burger span:last-child { top: 21px; }
.burger[aria-expanded="true"] span:first-child { top: 16px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 16px; transform: rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  color: #fff; background: var(--navy-950); overflow: hidden; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg .glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 78% 18%, rgba(31, 107, 255, .28), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(31, 107, 255, .12), transparent 60%),
    linear-gradient(180deg, rgba(1,10,31,.55) 0%, rgba(1,10,31,.9) 100%);
}
/* contêineres estilizados */
.hero-bg .containers {
  position: absolute; left: -5%; right: -5%; bottom: 0; height: 46%;
  background:
    repeating-linear-gradient(90deg,
      rgba(31,107,255,.55) 0 62px, rgba(11,40,96,.9) 62px 70px,
      rgba(22,84,200,.6) 70px 132px, rgba(11,40,96,.9) 132px 140px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 55%);
          mask-image: linear-gradient(180deg, transparent 0%, #000 55%);
  opacity: .5;
  animation: drift 60s linear infinite;
}
.hero-bg .containers::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,.35) 0 2px, transparent 2px 9px);
  mix-blend-mode: multiply;
}
@keyframes drift { to { transform: translateX(-140px); } }
.hero-bg .grain {
  position: absolute; inset: 0; opacity: .06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.hero-content { padding-top: 120px; padding-bottom: 80px; }
.hero h1 { font-size: clamp(3rem, 7.4vw, 6.4rem); max-width: 14ch; font-weight: 500; }
.hero-sub { max-width: 540px; font-size: 1.18rem; color: rgba(255,255,255,.8); margin: 2rem 0 2.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 34px; font-size: .78rem; letter-spacing: .24em; text-transform: uppercase; font-weight: 500;
  border: 1px solid transparent; transition: all .35s var(--ease);
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #3a7fff; border-color: #3a7fff; box-shadow: 0 10px 30px rgba(31,107,255,.35); transform: translateY(-2px); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-soft); }

.scroll-hint { position: absolute; bottom: 34px; left: 50%; width: 1px; height: 64px; background: rgba(255,255,255,.2); overflow: hidden; }
.scroll-hint span { display: block; width: 100%; height: 40%; background: var(--accent); animation: scrollLine 2.2s var(--ease) infinite; }
@keyframes scrollLine { 0% { transform: translateY(-100%); } 100% { transform: translateY(260%); } }

/* ============ Sections ============ */
.section { padding: clamp(80px, 11vw, 150px) 0; }
.section-head { margin-bottom: clamp(44px, 6vw, 80px); max-width: 820px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head.center .eyebrow::before { display: none; }

/* sobre */
.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 8vw, 110px); }
.about-head h2 { font-size: clamp(2.6rem, 5vw, 4.4rem); }
.about-body p { margin: 0 0 1.6rem; color: var(--muted); }
.about-body .lead { font-family: var(--serif); font-size: clamp(1.45rem, 2.2vw, 1.85rem); line-height: 1.4; color: var(--ink); }

/* atuação */
.sectors { background: var(--navy-900); color: #fff; position: relative; }
.sectors::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 400px at 90% 0%, rgba(31,107,255,.18), transparent 70%);
  pointer-events: none;
}
.sector-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); position: relative; }
.sector {
  padding: 44px 32px 48px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background .4s var(--ease);
}
.sector:hover { background: rgba(255,255,255,.04); }
.sector .idx { font-family: var(--serif); font-style: italic; color: var(--accent); font-size: 1.1rem; display: block; margin-bottom: 40px; }
.sector h3 { font-size: 1.75rem; margin-bottom: 16px; }
.sector p { margin: 0; font-size: .96rem; color: rgba(255,255,255,.68); line-height: 1.7; }

/* statement */
.statement { background: var(--ivory); text-align: center; }
.quote-mark { font-family: var(--serif); font-size: 7rem; line-height: .6; color: var(--accent); height: 56px; }
.statement-text { font-family: var(--serif); font-size: clamp(1.7rem, 3.2vw, 2.5rem); line-height: 1.3; margin: 0 0 2rem; font-weight: 500; }
.statement-sub { color: var(--muted); max-width: 680px; margin: 0 auto; }

/* serviços */
.services { background: var(--paper); }
.service-list { border-top: 1px solid rgba(10,22,48,.15); }
.service {
  display: grid; grid-template-columns: 90px 1fr 1.6fr; gap: 30px; align-items: start;
  padding: 48px 0; border-bottom: 1px solid rgba(10,22,48,.15);
  transition: padding .45s var(--ease);
}
.service:hover { padding-left: 18px; }
.service .num { font-family: var(--serif); font-style: italic; color: var(--accent); font-size: 1.4rem; }
.service h3 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.service p { margin: 0; color: var(--muted); }

/* processo */
.process { background: var(--navy-950); color: #fff; position: relative; overflow: hidden; }
.process::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(760px 460px at 100% 0%, rgba(31,107,255,.2), transparent 70%);
}
.process-grid { position: relative; display: grid; grid-template-columns: 4fr 7fr; gap: clamp(40px, 7vw, 100px); align-items: start; }
.process-head { position: sticky; top: 120px; }
.process-intro { color: rgba(255,255,255,.72); margin: 1.6rem 0 0; max-width: 380px; }
.steps { list-style: none; margin: 0; padding: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 27px; top: 14px; bottom: 14px; width: 1px; background: linear-gradient(180deg, var(--accent), rgba(31,107,255,.15)); }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding-bottom: 44px; position: relative; }
.step:last-child { padding-bottom: 0; }
.step-n {
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: var(--navy-950); border: 1px solid var(--accent); color: #fff;
  font-family: var(--serif); font-size: 1.5rem; font-style: italic; position: relative; z-index: 1;
  transition: background .35s var(--ease);
}
.step:hover .step-n { background: var(--accent); }
.step-body { padding-top: 8px; min-width: 0; }
.step h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin-bottom: 10px; }
.step p { margin: 0; color: rgba(255,255,255,.7); max-width: 56ch; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tags span { border: 1px solid var(--accent-soft); color: var(--accent-soft); font-size: .7rem; letter-spacing: .24em; text-transform: uppercase; padding: 6px 16px; }
.process .eyebrow { color: var(--accent-soft); }
.process .eyebrow::before { background: var(--accent-soft); }

/* cargas especiais */
.special { background: var(--paper); }
.special-intro { color: var(--muted); margin: 1.6rem 0 0; max-width: 560px; }
.special-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(10,22,48,.15); }
.special-card { padding: 40px 28px 12px 0; margin-right: 28px; border-right: 1px solid rgba(10,22,48,.12); min-width: 0; }
.special-card:last-child { border-right: 0; margin-right: 0; }
.special-icon { display: block; width: 52px; height: 52px; color: var(--accent); margin-bottom: 26px; }
.special-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.special-card h3 { font-size: 1.7rem; margin-bottom: 12px; }
.special-card p { margin: 0; color: var(--muted); font-size: .98rem; line-height: 1.7; }

/* faq */
.faq { background: var(--ivory); }
.faq-list { border-top: 1px solid rgba(10,22,48,.18); }
.faq details { border-bottom: 1px solid rgba(10,22,48,.18); }
.faq summary {
  list-style: none; cursor: pointer; padding: 28px 40px 28px 0; position: relative;
  font-family: var(--serif); font-size: 1.5rem; font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after, .faq summary::before {
  content: ""; position: absolute; right: 4px; top: 50%; width: 16px; height: 1px; background: var(--accent);
  transition: transform .4s var(--ease);
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq details p { margin: 0; padding: 0 40px 30px 0; color: var(--muted); animation: fadeDown .5s var(--ease); }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* contato */
.contact { background: var(--navy-950); color: #fff; position: relative; overflow: hidden; }
.contact::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(800px 500px at 0% 100%, rgba(31,107,255,.22), transparent 65%);
}
.contact-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 110px); align-items: start; }
.contact h2 { font-size: clamp(2.3rem, 4.4vw, 3.7rem); }
.contact-text { color: rgba(255,255,255,.72); margin: 1.6rem 0 2.2rem; max-width: 440px; }
.mail { font-family: var(--serif); font-size: clamp(1.3rem, 2.4vw, 1.8rem); color: var(--accent-soft); border-bottom: 1px solid var(--accent); padding-bottom: 4px; word-break: break-all; transition: color .3s; }
.mail:hover { color: #fff; }

.form { display: grid; gap: 26px; }
.form label span { display: block; font-size: .7rem; letter-spacing: .26em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.form input, .form textarea {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.28);
  color: #fff; font: inherit; padding: 10px 0; outline: none; resize: vertical; transition: border-color .3s;
}
.form input:focus, .form textarea:focus { border-color: var(--accent); }
.form input.invalid, .form textarea.invalid { border-color: #ff7b7b; }
.form .btn { justify-self: start; margin-top: 8px; }
.form-note { margin: 0; min-height: 1.5em; font-size: .92rem; color: var(--accent-soft); }

/* footer */
.footer { background: #000814; color: rgba(255,255,255,.6); padding: 54px 0 40px; border-top: 1px solid rgba(31, 107, 255,.25); }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 40px; }
.footer .tag { margin: 0; text-align: center; font-size: .7rem; letter-spacing: .28em; color: var(--accent); }
.footer .copy { margin: 0; font-size: .82rem; }

/* reveal */
.reveal { transform: translateY(28px); transition: transform 1s var(--ease); }
.reveal.in { transform: none; }
.sector-grid .reveal:nth-child(2) { transition-delay: .1s; }
.sector-grid .reveal:nth-child(3) { transition-delay: .2s; }
.sector-grid .reveal:nth-child(4) { transition-delay: .3s; }

/* ============ Responsivo ============ */
@media (max-width: 1240px) {
  .header-inner { gap: 22px; }
  .nav { gap: 20px; }
  .nav a { font-size: .7rem; letter-spacing: .14em; }
  .nav-cta { padding: 9px 16px !important; }
}
@media (max-width: 1020px) {
  .special-grid { grid-template-columns: repeat(2, 1fr); gap: 0 40px; }
  .special-card { border-right: 0; margin-right: 0; padding-right: 0; border-bottom: 1px solid rgba(10,22,48,.12); padding-bottom: 36px; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .service { grid-template-columns: 60px 1fr; }
  .service p { grid-column: 2; }
}
@media (max-width: 900px) {
  .process-grid { grid-template-columns: 1fr; }
  .process-head { position: static; }
  .burger { display: block; }
  .lang { order: 2; margin-left: auto; }
  .burger { margin-left: 0; order: 3; }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(340px, 86vw); background: var(--navy-950);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px; padding: 40px;
    transform: translateX(100%); transition: transform .5s var(--ease); margin: 0; z-index: -1;
    border-left: 1px solid var(--line);
  }
  .nav.open { transform: none; }
  .nav a { font-size: .9rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 24px; }
}
@media (max-width: 600px) {
  .special-grid { grid-template-columns: 1fr; }
  body { font-size: 16px; }
  .sector-grid { grid-template-columns: 1fr; }
  .service { grid-template-columns: 1fr; gap: 12px; padding: 38px 0; }
  .step { grid-template-columns: 44px 1fr; gap: 18px; }
  .step-n { width: 44px; height: 44px; font-size: 1.2rem; }
  .steps::before { left: 21px; }
  .service p { grid-column: auto; }
  .logo-img { height: 46px; }
  .site-header.scrolled .logo-img { height: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* acentos legíveis sobre fundo escuro */
.hero .eyebrow, .sectors .eyebrow, .contact .eyebrow,
.sector .idx, .form label span, .footer .tag { color: var(--accent-soft); }
.hero .eyebrow::before, .sectors .eyebrow::before, .contact .eyebrow::before { background: var(--accent-soft); }