/* ================================================
   PROJETO DE PORTFÓLIO — Desenvolvimento Front-End
   ================================================
   Arquivo  : style.css
   Projeto  : Site institucional fictício (DevSolutions)
              criado para demonstrar habilidades em CSS3.
   Técnicas : Custom properties, CSS Grid, Flexbox,
              animações com keyframes, pseudo-elementos,
              design responsivo com media queries.
   ================================================ */

/* ============================================
   DevSolutions — style.css
   Paleta: Azul (#0057FF), Branco, Cinza-escuro
   Tipografia: Syne (display) + DM Sans (body)
   ============================================ */


/* ── RESET & VARIÁVEIS ──────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Cores */
  --blue-900: #001a5c;
  --blue-700: #0040c9;
  --blue-600: #0057FF;
  --blue-500: #3378ff;
  --blue-100: #dce9ff;
  --blue-50:  #f0f5ff;

  --gray-950: #0b0d14;
  --gray-900: #111420;
  --gray-800: #1c1f2e;
  --gray-700: #2a2e42;
  --gray-500: #64687e;
  --gray-400: #8b8fa8;
  --gray-200: #d4d7e5;
  --gray-100: #eceef6;
  --gray-50:  #f7f8fc;
  --white:    #ffffff;

  /* Tipografia */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Controle de letra — sem esticamento */
  --tracking-tight:  -0.01em;
  --tracking-normal:  0em;

  /* Espaçamentos */
  --section-gap: 120px;
  --container-max: 1200px;
  --container-pad: clamp(20px, 5vw, 60px);

  /* Bordas & sombras */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.14);
  --shadow-blue: 0 8px 32px rgba(0,87,255,.25);

  /* Transições */
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --transition-slow: .5s cubic-bezier(.4,0,.2,1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── UTILITÁRIOS ────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-padding {
  padding: var(--section-gap) 0;
}

/* Cabeçalho de seção */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue-600);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: var(--tracking-tight);
  color: var(--gray-950);
  margin-bottom: 18px;
}

.section-header h2 em {
  font-style: normal;
  color: var(--blue-600);
}

.section-desc {
  color: var(--gray-500);
  font-size: 1.05rem;
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto;
}


/* ── BOTÕES ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.12);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,87,255,.35);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--gray-900);
  border-color: var(--gray-200);
}

.btn-ghost:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  transform: translateY(-2px);
}

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

.btn-icon {
  font-size: 1.1rem;
  transition: transform var(--transition);
}

.btn:hover .btn-icon { transform: translateX(4px); }


/* ── SCROLL ANIMATIONS ──────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp .7s ease forwards;
}

.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .22s; }
.delay-3 { animation-delay: .34s; }
.delay-4 { animation-delay: .48s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.delay-1 { transition-delay: .1s; }
.reveal.delay-2 { transition-delay: .22s; }
.reveal.delay-3 { transition-delay: .34s; }


/* ── HEADER ─────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all var(--transition);
}

#header.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--gray-100), var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--gray-900);
  letter-spacing: -.01em;
  transition: opacity var(--transition);
}

.logo strong { font-weight: 800; }
.logo-white { color: var(--white); }

.logo:hover { opacity: .8; }

.logo-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0;
}

.nav-links a:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}

.nav-cta {
  background: var(--blue-600) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: var(--radius-md) !important;
}

.nav-cta:hover {
  background: var(--blue-700) !important;
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

/* Hambúrguer */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.hamburger:hover { background: var(--gray-100); }

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-900);
  border-radius: 99px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu mobile */
.mobile-menu {
  display: none;
  position: absolute;
  top: 72px; left: 0; right: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-100);
  padding: 12px var(--container-pad) 20px;
  box-shadow: var(--shadow-md);
}

.mobile-menu.open { display: block; }

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu a {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-menu a:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}


/* ── HERO ───────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  padding: 140px var(--container-pad) 80px;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* Decoração de fundo */
.hero-bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,87,255,.12) 0%, transparent 70%);
  top: -100px; right: -100px;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,64,201,.08) 0%, transparent 70%);
  bottom: 0; left: -80px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,87,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,87,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: -1;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--gray-950);
  letter-spacing: -.02em;
  margin-bottom: 24px;
}

.hero-highlight {
  color: var(--blue-600);
  position: relative;
  display: inline-block;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-500));
  border-radius: 99px;
  animation: underlineGrow .8s .5s ease forwards;
  transform-origin: left;
  transform: scaleX(0);
}

@keyframes underlineGrow { to { transform: scaleX(1); } }

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.stat { text-align: left; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--gray-950);
  line-height: 1.1;
}

.stat-label {
  font-size: .8rem;
  color: var(--gray-400);
  font-weight: 400;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--gray-200);
  flex-shrink: 0;
}

/* Mockup visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mockup-window {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--gray-100);
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
}

.mockup-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gray-200);
}

.mockup-bar span:nth-child(1) { background: #ff6b6b; }
.mockup-bar span:nth-child(2) { background: #ffd93d; }
.mockup-bar span:nth-child(3) { background: #6bcb77; }

.mockup-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-line {
  height: 10px;
  background: var(--gray-100);
  border-radius: 99px;
  animation: shimmer 2s infinite;
}

.mock-line.w-60 { width: 60%; }
.mock-line.w-40 { width: 40%; }
.mock-line.w-80 { width: 80%; }
.mock-line.w-50 { width: 50%; }

.mock-block {
  height: 100px;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--blue-100) 100%);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.mock-block::after {
  content: '</>';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: -.02em;
}

.mock-btn {
  height: 36px;
  width: 120px;
  background: var(--blue-600);
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50%       { opacity: .6; }
}


/* ── SOBRE ──────────────────────────────────── */
.sobre {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}

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

.mvv-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.mvv-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-500));
  opacity: 0;
  transition: opacity var(--transition);
}

.mvv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-100);
}

.mvv-card:hover::before { opacity: 1; }

.mvv-icon {
  width: 52px; height: 52px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  margin-bottom: 20px;
  transition: all var(--transition);
}

.mvv-card:hover .mvv-icon {
  background: var(--blue-600);
  color: var(--white);
}

.mvv-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-950);
  margin-bottom: 12px;
}

.mvv-card p {
  color: var(--gray-500);
  font-size: .95rem;
  font-weight: 300;
  line-height: 1.75;
}


/* ── SERVIÇOS ───────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0,87,255,.12);
  border-color: var(--blue-100);
}

.service-icon {
  width: 52px; height: 52px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--blue-600);
  color: var(--white);
  transform: scale(1.05);
}

.service-number {
  display: block;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--blue-500);
  margin-bottom: 10px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-950);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray-500);
  font-size: .93rem;
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-link {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue-600);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.service-link:hover { gap: 8px; }


/* ── DEPOIMENTOS ────────────────────────────── */
.depoimentos {
  background: var(--gray-950);
  position: relative;
  overflow: hidden;
}

.depoimentos::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,87,255,.15) 0%, transparent 70%);
  pointer-events: none;
}

.depoimentos .section-tag {
  color: var(--blue-500);
  background: rgba(0,87,255,.1);
  border-color: rgba(0,87,255,.2);
}

.depoimentos .section-header h2 {
  color: var(--white);
}

.depoimentos .section-header h2 em {
  color: var(--blue-500);
}

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

.testimonial-card {
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,87,255,.4);
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.quote-icon {
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--blue-600);
  opacity: .5;
  margin-bottom: -8px;
}

.testimonial-text {
  font-size: .97rem;
  color: var(--gray-200);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 28px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.author-info { flex: 1; }

.author-info strong {
  display: block;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
}

.author-info span {
  font-size: .8rem;
  color: var(--gray-400);
}

.stars {
  color: #fbbf24;
  font-size: .85rem;
  letter-spacing: 1px;
  flex-shrink: 0;
}


/* ── CONTATO ────────────────────────────────── */
.contato {
  background: var(--white);
}

.contato-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contato-info .section-tag { margin-bottom: 20px; }

.contato-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--gray-950);
  line-height: 1.2;
  margin-bottom: 20px;
}

.contato-info h2 em {
  font-style: normal;
  color: var(--blue-600);
}

.contato-info > p {
  color: var(--gray-500);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-icon {
  width: 40px; height: 40px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  flex-shrink: 0;
}

.contact-details a,
.contact-details span {
  font-size: .95rem;
  color: var(--gray-700);
  font-weight: 400;
  transition: color var(--transition);
}

.contact-details a:hover { color: var(--blue-600); }

/* Formulário */
.contato-form {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: 0;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(0,87,255,.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-success {
  display: none;
  text-align: center;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  color: #059669;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-sm);
  padding: 12px;
}

.form-success.show { display: block; }


/* ── FOOTER ─────────────────────────────────── */
.footer {
  background: var(--gray-950);
  padding: 80px 0 0;
  color: var(--gray-400);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: .9rem;
  font-weight: 300;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 280px;
}

.social-links {
  display: flex;
  gap: 8px;
}

.social-link {
  width: 38px; height: 38px;
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: .9rem;
  color: var(--gray-500);
  font-weight: 300;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--blue-500); }

.footer-newsletter h4 {
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-newsletter p {
  font-size: .88rem;
  font-weight: 300;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}

.newsletter-form {
  display: flex;
  gap: 0;
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.newsletter-form:focus-within {
  border-color: var(--blue-600);
}

.newsletter-form input {
  flex: 1;
  background: var(--gray-800);
  border: none;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-size: .88rem;
  color: var(--white);
  outline: none;
}

.newsletter-form input::placeholder { color: var(--gray-500); }

.newsletter-form button {
  background: var(--blue-600);
  border: none;
  padding: 0 18px;
  color: var(--white);
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition);
}

.newsletter-form button:hover { background: var(--blue-700); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: .83rem;
  color: var(--gray-500);
}

.footer-bottom span { color: #ef4444; }


/* ── RESPONSIVIDADE ─────────────────────────── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    padding-top: 120px;
  }

  .hero-content { max-width: 600px; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }

  .mvv-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .contato-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  :root { --section-gap: 80px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .services-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }

  .contato-form { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
}


/* ── BADGE DE PORTFÓLIO ─────────────────────── */
/* Crédito visível no footer indicando que é um projeto de portfólio */
.portfolio-credit {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.portfolio-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--blue-500);
  background: rgba(0, 87, 255, .08);
  border: 1px solid rgba(0, 87, 255, .2);
  padding: 5px 14px;
  border-radius: 999px;
  cursor: default;
  transition: all var(--transition);
}

.portfolio-badge:hover {
  background: rgba(0, 87, 255, .15);
  border-color: rgba(0, 87, 255, .4);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .portfolio-credit { justify-content: center; }
}