/* =========================================================
   MOTION RAVEN — STYLESHEET
   Vanilla CSS3 — Desktop-first (responsividade em iteração futura)
   ========================================================= */

/* ---------------------------------------------------------
   1. FONT FACE — Granika (display / headlines)
--------------------------------------------------------- */
@font-face {
  font-family: 'Granika';
  src: url('../fonts/Granika.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------------------------------------------------------
   2. ROOT VARIABLES — Identidade Visual
--------------------------------------------------------- */
:root {
  /* Cores — extraídas do logo Motion Raven */
  --color-bg: #1a1a1a;
  --color-bg-alt: #141414;
  --color-bg-raised: #212121;

  --color-text: #ededed;
  --color-text-muted: #9c9c9c;

  --color-accent: #ef1958;
  --color-accent-dark: #c2123f;
  --color-accent-soft: rgba(239, 25, 88, 0.12);

  --color-outline: #d9d9d9;
  --color-outline-soft: rgba(217, 217, 217, 0.18);
  --color-border: rgba(255, 255, 255, 0.08);

  /* Tipografia */
  --font-display: 'Granika', 'Anton', 'Haettenschweiler', 'Arial Narrow Bold', sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Espaçamento / Layout */
  --container-width: 1180px;
  --section-padding: 140px;

  /* Transições */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.25s var(--ease);
  --transition-slow: 0.6s var(--ease);
}

/* ---------------------------------------------------------
   3. RESET
--------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* Elementos reutilizáveis de tipografia */
.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: 28px;
  text-transform: uppercase;
}

/* ---------------------------------------------------------
   4. BUTTONS
--------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--color-outline-soft);
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-outline);
  background-color: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.btn-whatsapp {
  gap: 10px;
}

.btn-whatsapp .btn-icon {
  flex-shrink: 0;
}

/* ---------------------------------------------------------
   5. HEADER / LOGO / NAV
--------------------------------------------------------- */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 24px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo — mark oficial (SVG) */
.logo {
  display: inline-flex;
  align-items: center;
  height: 88px;
}

.logo-mark {
  height: 100%;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav a {
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-fast);
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

/* Seletor de idioma — pílulas com bandeira (SVG inline, sem depender de emoji) */
.lang-switch {
  position: absolute;
  top: 48px;
  right: 40px;
  z-index: 110;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--color-outline-soft);
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.main-nav .lang-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--color-text-muted);
  transition: color var(--transition-fast),
              background-color var(--transition-fast),
              border-color var(--transition-fast);
}

.main-nav .lang-link:hover {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.08);
}

.main-nav .lang-link.is-active {
  color: var(--color-text);
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  pointer-events: none;
}

.main-nav .lang-link:not(.is-active) .lang-flag {
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.main-nav .lang-link:hover .lang-flag {
  opacity: 1;
}

/* Sem o sublinhado animado do menu */
.main-nav .lang-link::after {
  display: none;
}

.lang-flag {
  flex-shrink: 0;
  width: 24px;
  height: 17px;
  border-radius: 3px;
  background-size: cover;
  background-position: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18);
}

/* EN — Reino Unido */
.lang-flag-en {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 17'%3E%3Crect width='24' height='17' fill='%23012169'/%3E%3Cpath d='M0 0 24 17 M24 0 0 17' stroke='%23fff' stroke-width='3.4'/%3E%3Cpath d='M0 0 24 17 M24 0 0 17' stroke='%23c8102e' stroke-width='2'/%3E%3Cpath d='M12 0 V17 M0 8.5 H24' stroke='%23fff' stroke-width='5.6'/%3E%3Cpath d='M12 0 V17 M0 8.5 H24' stroke='%23c8102e' stroke-width='3.4'/%3E%3C/svg%3E");
}

/* PT — Brasil */
.lang-flag-pt {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 17'%3E%3Crect width='24' height='17' fill='%23009c3b'/%3E%3Cpath d='M12 1.6 22 8.5 12 15.4 2 8.5z' fill='%23ffdf00'/%3E%3Ccircle cx='12' cy='8.5' r='4' fill='%23002776'/%3E%3Cpath d='M8.1 7.6q4-1 7.9 1.3' stroke='%23fff' stroke-width='.7' fill='none'/%3E%3C/svg%3E");
}

.nav-cta {
  padding: 10px 22px;
  border: 1px solid var(--color-outline-soft);
  border-radius: 999px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-cta:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

/* ---------------------------------------------------------
   6. HERO
--------------------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20,20,20,0.35) 0%, rgba(20,20,20,0.85) 100%),
    radial-gradient(circle at 20% 30%, rgba(239, 25, 88, 0.18), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1020px;
}

.hero .eyebrow {
  font-size: 15px;
  letter-spacing: 0.2em;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 700;
  font-size: clamp(56px, 6.4vw, 108px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  margin-bottom: 36px;
}

.hero-title .accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 19px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 56px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.hero-actions .btn {
  padding: 20px 44px;
  font-size: 14px;
}

/* ---------------------------------------------------------
   7. APPROACH (Value Proposition)
--------------------------------------------------------- */
.approach {
  padding: var(--section-padding) 0;
  background-color: var(--color-bg);
}

.approach-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.approach-inner .section-title {
  font-size: 38px;
}

.approach-text {
  font-size: 17px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ---------------------------------------------------------
   8. SERVICES / EXPERTISE
--------------------------------------------------------- */
.services {
  padding: var(--section-padding) 0;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.services .section-title {
  margin-bottom: 70px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-border);
}

.service-card {
  background-color: var(--color-bg-alt);
  padding: 56px;
  transition: background-color var(--transition-fast);
}

.service-card:hover {
  background-color: var(--color-bg-raised);
}

.service-index {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.service-title {
  font-family: var(--font-display);
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 18px;
}

.service-text {
  font-size: 15.5px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 420px;
}

/* ---------------------------------------------------------
   9. SELECTED WORKS
--------------------------------------------------------- */
.work {
  padding: var(--section-padding) 0;
  background-color: var(--color-bg);
}

.work .section-title {
  margin-bottom: 60px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  overflow: hidden;
  background-color: var(--color-bg-raised);
}

.work-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-slow), filter var(--transition-slow);
  filter: grayscale(35%) brightness(0.75);
}

/* Placeholders visuais — substituir por imagens/frames reais dos projetos */
.work-thumb--01 { background-image: linear-gradient(150deg, #2a2a2a, #171717); }
.work-thumb--02 { background-image: linear-gradient(150deg, #ef1958 0%, #1a1a1a 70%); }
.work-thumb--03 { background-image: linear-gradient(150deg, #2a2a2a, #171717); }
.work-thumb--04 { background-image: linear-gradient(150deg, #1a1a1a 30%, #ef1958 130%); }
.work-thumb--05 { background-image: linear-gradient(150deg, #2a2a2a, #171717); }
.work-thumb--06 { background-image: linear-gradient(150deg, #ef1958 0%, #1a1a1a 60%); }

.work-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(20,20,20,0.92) 0%, rgba(20,20,20,0) 55%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.work-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.work-name {
  font-family: var(--font-display);
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.work-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.work-card:hover .work-thumb {
  transform: scale(1.06);
  filter: grayscale(0%) brightness(0.9);
}

.work-card:hover::after,
.work-card:hover .work-info {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------
   10. CONTACT / CTA
--------------------------------------------------------- */
.contact {
  padding: var(--section-padding) 0;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-text {
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 380px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-row label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-row input,
.form-row textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-outline-soft);
  padding: 10px 2px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  resize: none;
  transition: border-color var(--transition-fast);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-submit {
  align-self: flex-start;
  margin-top: 10px;
}

/* ---------------------------------------------------------
   11. FOOTER
--------------------------------------------------------- */
.site-footer {
  background-color: var(--color-bg);
  padding-top: 70px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--color-border);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}

.footer-tagline {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 260px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}

.footer-contact a {
  transition: color var(--transition-fast);
}

.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-timezone {
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  align-items: flex-start;
}

.footer-social a {
  position: relative;
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding: 26px 0;
  font-size: 12.5px;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---------------------------------------------------------
   12. CASE / PROJECT PAGES
--------------------------------------------------------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent);
}

.case-hero {
  padding: var(--section-padding) 0 60px;
}

.case-summary {
  font-size: 17px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 640px;
}

.case-media {
  padding-bottom: 100px;
}

.case-video-placeholder {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  overflow: hidden;
  filter: grayscale(35%) brightness(0.75);
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--color-bg-raised);
}

.case-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.case-video-placeholder span {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
  background-color: rgba(20, 20, 20, 0.55);
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid var(--color-outline-soft);
}

.case-content {
  padding-bottom: var(--section-padding);
}

.case-content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 80px;
}

.case-heading {
  font-family: var(--font-display);
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

.case-description p {
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.case-meta {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 40px;
  border-left: 1px solid var(--color-border);
  height: fit-content;
}

.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-meta-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.case-meta-value {
  font-size: 15px;
  font-weight: 500;
}

.case-cta {
  padding: 90px 0;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.case-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}