/* ============================================================
   AMC MARKETING — Página temporária
   Estrutura: 1. Tokens · 2. Reset · 3. Layout · 4. Header
              5. Hero · 6. Contato · 7. Footer · 8. Decoração
              9. Animações · 10. Responsivo · 11. Acessibilidade
   ============================================================ */

/* ---------- 1. TOKENS ------------------------------------- */
:root {
  /* Cores — altere aqui para trocar a paleta do site inteiro */
  --black:        #080808;
  --black-soft:   #0D0D0D;
  --off-white:    #F7F5F2;
  --off-white-2:  #FAF9F7;
  --gold:         #C99645;
  --gold-2:       #D6A552;
  --gold-3:       #E0B66B;
  --gray:         #777777;
  --gray-2:       #AAAAAA;
  --gray-text:    #939393;

  --line:         rgba(247, 245, 242, .085);
  --line-gold:    rgba(201, 150, 69, .30);

  /* Tipografia */
  --font-serif: "Playfair Display", "Didot", "Bodoni 72", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Espaçamento */
  --pad-x: clamp(1.25rem, 5vw, 6rem);
  --pad-y: clamp(1.75rem, 4vh, 3.25rem);
  --shell: 1440px;

  --ease: cubic-bezier(.22, .68, .28, 1);
}

/* ---------- 2. RESET -------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--off-white);
  background-color: var(--black);
  background-image:
    radial-gradient(120% 78% at 10% -10%, rgba(255, 255, 255, .04), transparent 58%),
    radial-gradient(90% 70% at 100% 100%, rgba(201, 150, 69, .05), transparent 60%),
    linear-gradient(158deg, var(--black-soft) 0%, var(--black) 52%, #0A0A0A 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { background: rgba(201, 150, 69, .28); color: var(--off-white-2); }

/* ---------- 3. LAYOUT ------------------------------------- */
.page {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: clamp(2.25rem, 5vh, 4rem);
  width: min(100%, var(--shell));
  min-height: 100vh;
  min-height: 100svh;
  margin-inline: auto;
  padding: var(--pad-y) var(--pad-x);
}

/* ---------- 4. HEADER ------------------------------------- */
.site-header { display: flex; align-items: center; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: clamp(.85rem, 1.6vw, 1.3rem);
  line-height: 1;
}

.brand__amc {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.55rem, 2.4vw, 2.1rem);
  letter-spacing: .07em;
  color: var(--off-white-2);
}

.brand__rule {
  width: 1px;
  height: clamp(1.75rem, 2.6vw, 2.35rem);
  background: linear-gradient(180deg, transparent, var(--gold) 16%, var(--gold-2) 84%, transparent);
}

.brand__mkt {
  font-weight: 300;
  font-size: clamp(.63rem, .95vw, .78rem);
  text-transform: uppercase;
  letter-spacing: .42em;
  margin-right: -.42em;
  color: var(--gold-2);
}

.brand-img { height: clamp(2.25rem, 3.4vw, 3rem); width: auto; }

/* ---------- 5. HERO --------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
  gap: clamp(2.5rem, 6vw, 7rem);
  align-items: center;
  padding-block: clamp(1rem, 4vh, 3rem);
}

.hero__intro { max-width: min(100%, 40rem); }

.eyebrow,
.section-label {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-size: .688rem;
  font-weight: 400;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: .28em;
  color: var(--gold-2);
}

.eyebrow__rule {
  flex: none;
  width: clamp(24px, 3vw, 42px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.accent-rule {
  display: block;
  width: 56px;
  height: 1px;
  margin: clamp(1.5rem, 3.4vh, 2.4rem) 0 clamp(1.1rem, 2.4vh, 1.6rem);
  background: linear-gradient(90deg, var(--gold-3), rgba(201, 150, 69, 0));
}

.headline {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.3rem, 5.2vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--off-white-2);
  text-wrap: balance;
}

.headline em {
  font-style: normal;
  color: var(--gold-3);
}

.lead {
  margin-top: clamp(1.35rem, 3vh, 2rem);
  font-size: clamp(1rem, 1.3vw, 1.16rem);
  font-weight: 300;
  line-height: 1.6;
  color: rgba(247, 245, 242, .92);
  max-width: 34ch;
}

.support {
  margin-top: .9rem;
  font-size: clamp(.875rem, 1.05vw, .97rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray-2);
  max-width: 42ch;
}

/* ---------- 6. CONTATO ------------------------------------ */
.hero__contact {
  padding-left: clamp(2rem, 4vw, 3.5rem);
  border-left: 1px solid var(--line);
}

.contact-person {
  margin-top: clamp(1.25rem, 2.6vh, 1.75rem);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 1.8vw, 1.6rem);
  line-height: 1.25;
  color: var(--off-white-2);
}

.contact-list { margin-top: clamp(1.25rem, 2.6vh, 1.9rem); }

.contact-item + .contact-item { border-top: 1px solid var(--line); }

.contact-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  min-height: 48px;
  padding: .95rem 0;
  transition: color .35s var(--ease);
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  color: var(--gold-2);
  transition: border-color .35s var(--ease), color .35s var(--ease);
}

.contact-icon svg { width: 1.05rem; height: 1.05rem; }

.contact-text { display: block; min-width: 0; }

.contact-label {
  display: block;
  font-size: .625rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--gray-text);
  transition: color .35s var(--ease);
}

.contact-value {
  display: block;
  margin-top: .18rem;
  font-size: clamp(.875rem, 1.02vw, .95rem);
  font-weight: 400;
  line-height: 1.45;
  color: var(--off-white);
  overflow-wrap: anywhere;
  transition: color .35s var(--ease);
}

.contact-link:hover .contact-icon,
.contact-link:focus-visible .contact-icon {
  border-color: var(--gold-2);
  color: var(--gold-3);
}

.contact-link:hover .contact-value,
.contact-link:focus-visible .contact-value { color: var(--gold-3); }

.contact-link:hover .contact-label { color: var(--gray-2); }

/* Botão WhatsApp */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  min-height: 48px;
  margin-top: clamp(1.6rem, 3.2vh, 2.35rem);
  padding: .85rem 1.6rem;
  border: 1px solid rgba(201, 150, 69, .55);
  background: transparent;
  font-size: .72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .17em;
  color: var(--gold-3);
  transition: background-color .38s var(--ease), color .38s var(--ease),
              border-color .38s var(--ease);
}

.btn svg {
  width: 1rem;
  height: 1rem;
  transition: transform .38s var(--ease);
}

.btn:hover,
.btn:focus-visible {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.btn:hover svg { transform: translateX(3px); }

/* ---------- 7. FOOTER ------------------------------------- */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-top: clamp(1.1rem, 2.4vh, 1.6rem);
  border-top: 1px solid var(--line);
  font-size: .69rem;
  font-weight: 300;
  letter-spacing: .06em;
  color: var(--gray-text);
}

.footer__note {
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--gray);
}

/* ---------- 8. DECORAÇÃO ---------------------------------- */
.decor {
  /* Ancorada ao documento (e não à viewport): em telas que rolam,
     a faixa inferior permanece abaixo do conteúdo. */
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  contain: layout paint;
}

.decor__glow {
  position: absolute;
  display: block;
  border-radius: 50%;
}

.decor__glow--tl {
  top: -20vmax;
  left: -15vmax;
  width: 46vmax;
  height: 46vmax;
  background: radial-gradient(circle at 50% 50%,
              rgba(224, 182, 107, .17), rgba(201, 150, 69, .06) 40%, transparent 68%);
}

.decor__glow--br {
  right: -18vmax;
  bottom: -22vmax;
  width: 44vmax;
  height: 44vmax;
  background: radial-gradient(circle at 50% 50%,
              rgba(201, 150, 69, .11), transparent 65%);
}

.decor__arc {
  position: absolute;
  top: clamp(-280px, -14vw, -130px);
  left: clamp(-280px, -14vw, -130px);
  width: clamp(340px, 42vw, 660px);
  height: auto;
  aspect-ratio: 1;
}

.decor__blades {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: auto;
  max-width: 55vw;
}

.decor__waves {
  position: absolute;
  left: -6%;
  bottom: -2%;
  width: 112%;
  height: min(42vh, 400px);
}

/* ---------- 9. ANIMAÇÕES ---------------------------------- */
@keyframes rise {
  from { opacity: 0; transform: translate3d(0, 14px, 0); }
  to   { opacity: 1; transform: none; }
}

.reveal {
  opacity: 0;
  animation: rise .9s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-6px, -12px, 0); }
}

@keyframes glintPulse {
  from { opacity: .5; }
  to   { opacity: 1; }
}

.decor__line { animation: drift 30s ease-in-out infinite alternate; }

.decor__line--slow {
  animation-duration: 44s;
  animation-direction: alternate-reverse;
}

.decor__glint { animation: glintPulse 11s ease-in-out infinite alternate; }

/* ---------- 10. RESPONSIVO -------------------------------- */

/* Tablet — mantém as duas áreas enquanto há espaço */
@media (max-width: 1180px) {
  .hero { gap: clamp(2rem, 4.5vw, 4rem); }
  .hero__intro { max-width: min(100%, 32rem); }
}

/* Empilhamento */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2.5rem, 6vh, 3.5rem);
    align-items: start;
    padding-block: clamp(1.5rem, 5vh, 3rem);
  }

  .hero__intro { max-width: min(100%, 34rem); }

  .hero__contact {
    padding-left: 0;
    padding-top: clamp(2rem, 5vh, 2.75rem);
    border-left: 0;
    border-top: 1px solid var(--line);
    max-width: 34rem;
  }

  .decor__blades { max-width: 42vw; opacity: .55; }
  .decor__glow--br { opacity: .7; }
}

/* Mobile — reduz a decoração */
@media (max-width: 640px) {
  .br-lg { display: none; }

  .page { gap: clamp(1.75rem, 4vh, 2.5rem); }

  .hero__intro { max-width: 100%; }

  .lead, .support { max-width: 100%; }

  .decor__blades { display: none; }
  .decor__arc { width: clamp(260px, 62vw, 340px); top: -100px; left: -110px; }
  .decor__waves { height: 32vh; opacity: .75; }
  .decor__glow--tl { opacity: .8; }

  .btn { width: 100%; justify-content: center; }

  .site-footer { flex-direction: column; align-items: flex-start; }
}

/* Telas muito estreitas (320px) */
@media (max-width: 380px) {
  .brand__mkt { letter-spacing: .3em; margin-right: -.3em; }

  .eyebrow,
  .section-label {
    gap: .7rem;
    font-size: .625rem;
    letter-spacing: .17em;
  }

  .eyebrow__rule { width: 20px; }
  .contact-link { gap: .8rem; }
  .contact-icon { width: 2.15rem; height: 2.15rem; }
  .contact-value { font-size: .85rem; }
}

/* Telas largas */
@media (min-width: 1600px) {
  .hero__intro { max-width: min(100%, 42rem); }
}

/* Altura reduzida em paisagem */
/* Telas baixas: a faixa decorativa inferior recua para nunca cruzar o texto */
@media (max-height: 820px) and (min-width: 901px) {
  .decor__waves { height: min(34vh, 320px); }
}

@media (max-height: 700px) and (min-width: 901px) {
  .decor__waves { height: min(17vh, 140px); opacity: .8; }
}

@media (max-height: 620px) and (min-width: 901px) {
  .hero { padding-block: 1rem; }
  .accent-rule { margin-block: 1.1rem .9rem; }
}

/* ---------- 11. ACESSIBILIDADE ---------------------------- */
:focus-visible {
  outline: 1px solid var(--gold-2);
  outline-offset: 5px;
  border-radius: 1px;
}

.contact-link:focus-visible { outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .reveal { opacity: 1; transform: none; animation: none; }
  .decor__line, .decor__glint { animation: none; }
}

@media (prefers-contrast: more) {
  .support, .footer__copy, .contact-label { color: var(--off-white); }
  .contact-icon { border-color: var(--gold-2); }
}