/* ========================================
   rafaau.dev — stylesheet
   ======================================== */

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

:root {
  --bg:          #080b10;
  --bg-2:        #0d1117;
  --bg-3:        #111827;
  --surface:     #131c2b;
  --surface-2:   #1a2436;
  --border:      rgba(99,179,255,0.1);
  --border-h:    rgba(99,179,255,0.25);
  --accent:      #3b82f6;
  --accent-2:    #6366f1;
  --accent-glow: rgba(59,130,246,0.25);
  --text:        #f0f4ff;
  --text-2:      #8fa5c5;
  --text-3:      #4d6480;
  --mono:        'IBM Plex Mono', monospace;
  --sans:        'Poppins', sans-serif;
  --body:        'Inter', sans-serif;
  --radius:      12px;
  --radius-lg:   20px;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: auto;
}

/* CURSOR */
.cursor {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
}

.cursor-follower {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(59,130,246,0.5);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s, height 0.3s, border-color 0.3s;
}

body:hover .cursor { opacity: 1; }

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

/* TYPOGRAPHY */
h1, h2, h3 { font-family: var(--sans); font-weight: 700; line-height: 1.15; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

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

/* SECTION COMMONS */
.section-tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: lowercase;
  margin-bottom: 20px;
  opacity: 0.8;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 540px;
  margin-bottom: 56px;
  line-height: 1.75;
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.22s; }
.reveal-delay-3 { transition-delay: 0.34s; }
.reveal-delay-4 { transition-delay: 0.46s; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.07);
  opacity: 0;
  transition: opacity 0.25s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px rgba(59,130,246,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(59,130,246,0.55);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-h);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ========================================
   NAV
   ======================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px clamp(20px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8,11,16,0.85);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-2);
  letter-spacing: 0.05em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

.nav-cta {
  color: var(--accent) !important;
  border: 1px solid rgba(59,130,246,0.3);
  padding: 8px 18px !important;
  border-radius: 6px;
  transition: background var(--transition), border-color var(--transition) !important;
}
.nav-cta:hover {
  background: rgba(59,130,246,0.1) !important;
  border-color: var(--accent) !important;
}
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* MOBILE MENU */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(8,11,16,0.97);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }

.mobile-menu ul { list-style: none; text-align: center; }
.mobile-menu ul li { margin: 24px 0; }
.mobile-link {
  font-family: var(--sans);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-2);
  transition: color 0.25s;
}
.mobile-link:hover { color: var(--accent); }

/* ========================================
   HERO
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%);
  top: -200px; left: -100px;
  animation: floatGlow 8s ease-in-out infinite;
}

.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
  bottom: -100px; right: -50px;
  animation: floatGlow 10s ease-in-out infinite reverse;
}

.glow-3 {
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.08) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes floatGlow {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

#particleCanvas {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 32px;
}

.badge-dot {
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 6px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px #22c55e; }
  50% { opacity: 0.6; box-shadow: 0 0 12px #22c55e; }
}

.hero-title {
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero-accent {
  display: inline;
  color: var(--accent);
  font-style: italic;
}

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-2);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--sans);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-3);
  letter-spacing: 0.15em;
  animation: fadeFloat 3s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes fadeFloat {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.8; transform: translateX(-50%) translateY(6px); }
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ========================================
   SOBRE
   ======================================== */
.sobre {
  padding: 120px 0;
  position: relative;
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
  margin-top: 60px;
}

.sobre-visual {
  display: flex;
  justify-content: center;
}

.sobre-card-wrap {
  position: relative;
  width: 320px; height: 380px;
}

.sobre-img-frame {
  width: 280px; height: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.sobre-img-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.sobre-img-frame:hover {
  border-color: var(--border-h);
  box-shadow: 0 0 40px rgba(59,130,246,0.1);
}

.sobre-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.about-avatar-image {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(59,130,246,0.35);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.sobre-avatar svg { width: 100px; height: 100px; }
.sobre-avatar .about-avatar-image:not(.hidden) + svg {
  display: none;
}
.avatar-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  opacity: 0.7;
}

.frame-deco {
  position: absolute;
  border-radius: 4px;
}
.frame-deco-1 {
  bottom: 0; left: 0;
  width: 60px; height: 60px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  opacity: 0.3;
}
.frame-deco-2 {
  top: 0; right: 0;
  width: 40px; height: 40px;
  border-right: 2px solid var(--accent);
  border-top: 2px solid var(--accent);
  opacity: 0.3;
}

.tech-floating {
  position: absolute;
  background: var(--surface-2);
  border: 1px solid var(--border-h);
  padding: 8px 14px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  animation: techFloat 4s ease-in-out infinite;
}

.tech-1 { top: 10px; right: 0; animation-delay: 0s; }
.tech-2 { top: 130px; right: -20px; animation-delay: 1s; }
.tech-3 { bottom: 80px; right: 0; animation-delay: 2s; }
.tech-4 { bottom: 20px; left: 0; animation-delay: 1.5s; }

@keyframes techFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.sobre-desc {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 20px;
}

.tech-stack { margin: 36px 0; }
.tech-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 14px;
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 6px 14px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  transition: background var(--transition), border-color var(--transition);
}
.pill:hover {
  background: rgba(59,130,246,0.15);
  border-color: var(--accent);
}

/* ========================================
   PROJETOS
   ======================================== */
.projetos {
  padding: 120px 0;
  background: var(--bg-2);
  position: relative;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.project-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 30px rgba(59,130,246,0.08);
}

.card-img {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, var(--bg-3) 0%, var(--surface-2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-placeholder { opacity: 0.6; transition: opacity var(--transition); }
.card-placeholder svg { width: 120px; height: 90px; }
.card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(59,130,246,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.card-overlay span {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
}

.project-card:hover .card-overlay { opacity: 1; }
.project-card:hover .card-placeholder { opacity: 0.3; }

.card-body { padding: 24px; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  opacity: 0.6;
}

.card-tags {
  display: flex;
  gap: 6px;
}
.card-tags span {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-3);
  background: rgba(255,255,255,0.04);
  padding: 3px 9px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.06);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 22px;
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-card {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--sans);
  transition: var(--transition);
  cursor: pointer;
}

.btn-card-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 16px rgba(59,130,246,0.25);
}
.btn-card-primary:hover {
  box-shadow: 0 0 28px rgba(59,130,246,0.5);
  transform: translateY(-1px);
}

.btn-card-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-card-ghost:hover {
  border-color: var(--border-h);
  color: var(--text);
}

/* ADD CARD */
.project-card-add {
  border-style: dashed;
  border-color: var(--border);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  cursor: pointer;
}
.project-card-add:hover { border-color: var(--accent); background: rgba(59,130,246,0.03); }

.add-content {
  text-align: center;
  color: var(--text-3);
}
.add-icon {
  width: 56px; height: 56px;
  border: 1.5px solid var(--border-h);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--text-3);
  transition: var(--transition);
}
.project-card-add:hover .add-icon {
  border-color: var(--accent);
  color: var(--accent);
}
.add-content p {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-3);
}
.add-content span {
  font-size: 0.78rem;
  opacity: 0.6;
  font-weight: 400;
}

/* ========================================
   DIFERENCIAIS
   ======================================== */
.diferenciais {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.diferenciais-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 60px;
}

.diff-card {
  padding: 36px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.diff-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.diff-card:hover {
  border-color: rgba(59,130,246,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.diff-card:hover::before { transform: scaleX(1); }

.diff-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.diff-icon {
  width: 52px; height: 52px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
  transition: background var(--transition), border-color var(--transition);
}
.diff-card:hover .diff-icon {
  background: rgba(59,130,246,0.18);
  border-color: rgba(59,130,246,0.4);
}

.diff-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.diff-card p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.75;
}

/* ========================================
   CONTATO
   ======================================== */
.contato {
  padding: 120px 0;
  background: var(--bg-2);
}

.contato-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 72px 64px;
  position: relative;
  overflow: hidden;
}

.contato-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.contato-wrap::after {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contato-desc {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contato-info { display: flex; flex-direction: column; gap: 14px; }
.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-2);
  font-family: var(--mono);
}

.contato-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-radius: 12px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
}

.contact-btn-whatsapp {
  background: rgba(37,211,102,0.1);
  color: #25d366;
  border-color: rgba(37,211,102,0.2);
}
.contact-btn-whatsapp:hover {
  background: rgba(37,211,102,0.18);
  border-color: rgba(37,211,102,0.5);
  transform: translateX(6px);
}

.contact-btn-github {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--border);
}
.contact-btn-github:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--border-h);
  transform: translateX(6px);
}

.contact-btn-instagram {
  background: rgba(225,48,108,0.08);
  color: #e1306c;
  border-color: rgba(225,48,108,0.2);
}
.contact-btn-instagram:hover {
  background: rgba(225,48,108,0.15);
  border-color: rgba(225,48,108,0.4);
  transform: translateX(6px);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.footer-logo span { color: var(--accent); }

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-3);
  font-family: var(--mono);
}

.footer-top {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: var(--transition);
}
.footer-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

@media (hover: hover) and (pointer: fine) {
  body.custom-cursor-enabled {
    cursor: none;
  }

  body.custom-cursor-enabled .btn,
  body.custom-cursor-enabled .project-card,
  body.custom-cursor-enabled .diff-card,
  body.custom-cursor-enabled .contact-btn,
  body.custom-cursor-enabled .btn-card,
  body.custom-cursor-enabled .hamburger {
    cursor: none;
  }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 900px) {
  .sobre-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .sobre-visual { order: -1; }
  .sobre-card-wrap { width: 260px; height: 300px; }
  .sobre-img-frame { width: 220px; height: 260px; }

  .contato-wrap {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 48px 36px;
  }

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

@media (max-width: 600px) {
  .hero-title { font-size: 2.4rem; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }

  .diff-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .contato-wrap { padding: 36px 24px; }

  .footer-inner { justify-content: center; text-align: center; }

  /* disable custom cursor on touch */
  .cursor, .cursor-follower { display: none; }
  body { cursor: auto; }
  .btn, .project-card, .diff-card, .contact-btn, .btn-card { cursor: pointer; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Selection */
::selection {
  background: rgba(59,130,246,0.3);
  color: var(--text);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }