/* ═══════════════════════════════════════════
   LIMA FERRAMENTAS – style.css
   Palette: Obsidian (#0a0a0a) + Lime (#b8ff57) + White
   Font: Syne (display) + DM Sans (body)
═══════════════════════════════════════════ */

:root {
  --black: #0a0a0a;
  --white: #f5f5f0;
  --accent: #b8ff57;
  --accent-dark: #8fd62e;
  --gray-100: #f0f0eb;
  --gray-200: #e0e0d8;
  --gray-400: #a0a098;
  --gray-700: #3a3a38;
  --gray-900: #1a1a18;
  --card-bg: #ffffff;
  --card-border: #e8e8e0;
  --dark-card: #161614;
  --dark-border: #2a2a28;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── TYPOGRAPHY ─── */
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { color: var(--gray-700); }
a { text-decoration: none; color: inherit; }
em { font-style: normal; color: var(--accent-dark); }

/* ─── LAYOUT ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-dark { background: var(--black); color: var(--white); }
.section-dark p { color: var(--gray-400); }
.section-dark h2 { color: var(--white); }

/* ─── NAVBAR ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(245,245,240,0.88);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.logo {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  display: flex; align-items: center; gap: 8px; letter-spacing: -0.02em;
}
.logo strong { color: var(--accent-dark); }
.logo-icon { font-size: 1.4rem; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--gray-700);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--black); }
.menu-btn {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
  margin-left: auto;
}
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--black); border-radius: 2px; transition: var(--transition); }
.mobile-menu {
  display: none; flex-direction: column; padding: 16px 24px 20px;
  gap: 16px; background: var(--white); border-top: 1px solid var(--gray-200);
}
.mobile-menu a { font-weight: 500; color: var(--gray-700); }
.mobile-menu.open { display: flex; }

/* ─── HERO ─── */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative; overflow: hidden;
  padding-top: 80px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.blob {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.35;
  animation: blobFloat 8s ease-in-out infinite alternate;
}
.blob1 { width: 500px; height: 500px; background: var(--accent); top: -100px; right: -100px; animation-delay: 0s; }
.blob2 { width: 350px; height: 350px; background: #57ff9e; bottom: -80px; left: -60px; animation-delay: -4s; }
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
@keyframes blobFloat {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(30px, 40px) scale(1.08); }
}
.hero-content { position: relative; z-index: 2; max-width: 780px; padding: 24px; }
.badge {
  display: inline-block; background: var(--black); color: var(--accent);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.05em;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 24px;
  animation: fadeUp 0.6s 0.1s both;
}
.hero-content h1 { animation: fadeUp 0.6s 0.2s both; margin-bottom: 20px; }
.hero-content p { font-size: 1.1rem; animation: fadeUp 0.6s 0.3s both; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: fadeUp 0.6s 0.4s both; }
.hero-stats {
  display: flex; gap: 0; justify-content: center; align-items: center;
  margin-top: 56px; animation: fadeUp 0.6s 0.5s both;
  background: rgba(255,255,255,0.7); backdrop-filter: blur(8px);
  border: 1px solid var(--gray-200); border-radius: 100px; padding: 16px 36px; width: fit-content; margin: 56px auto 0;
}
.stat { text-align: center; padding: 0 28px; }
.stat strong { display: block; font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--black); }
.stat span { font-size: 0.78rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-div { width: 1px; height: 36px; background: var(--gray-200); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--black); color: var(--accent);
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  padding: 12px 28px; border-radius: 100px; border: 2px solid var(--black);
  cursor: pointer; transition: all var(--transition); white-space: nowrap;
}
.btn-primary:hover { background: var(--accent); color: var(--black); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(184,255,87,0.35); }
.btn-primary.sm { padding: 9px 20px; font-size: 0.82rem; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--black);
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 600;
  padding: 12px 28px; border-radius: 100px; border: 2px solid var(--gray-200);
  cursor: pointer; transition: all var(--transition);
}
.btn-ghost:hover { border-color: var(--black); background: var(--gray-100); }
.btn-ghost.sm { padding: 9px 20px; font-size: 0.82rem; }
.section-dark .btn-ghost { border-color: var(--dark-border); color: var(--white); }
.section-dark .btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

/* ─── SECTION HEADER ─── */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header p { font-size: 1.05rem; margin-top: 12px; }
.tag {
  display: inline-block; background: var(--accent); color: var(--black);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 100px; margin-bottom: 14px;
}
.section-dark .tag { background: var(--dark-card); color: var(--accent); border: 1px solid var(--dark-border); }

/* ─── TOOL CARDS ─── */
.tool-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column; gap: 16px;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.tool-card.featured {
  border: 2px solid var(--black); background: linear-gradient(135deg, #fff 60%, #f7ffe0);
  padding: 36px; margin-bottom: 36px;
}
.tool-card.featured-sm { border: 2px solid var(--accent-dark); }
.section-dark .tool-card {
  background: var(--dark-card); border-color: var(--dark-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.section-dark .tool-card h3 { color: var(--white); }
.section-dark .tool-card p { color: var(--gray-400); }

/* Featured header */
.tool-card-header { display: flex; align-items: center; gap: 16px; }
.tool-card-header h3 { font-size: 1.4rem; }
.tool-card-header p { margin: 0; font-size: 0.9rem; }
.badge-hot {
  margin-left: auto; background: #ff4747; color: white;
  font-size: 0.72rem; font-weight: 700; padding: 4px 12px;
  border-radius: 100px; white-space: nowrap;
}

/* Tool icons */
.tool-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.tiktok-icon { background: #010101; color: #fff; }
.ig-icon { background: linear-gradient(135deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); color: #fff; }
.yt-icon { background: #FF0000; color: #fff; }
.tw-icon { background: #1DA1F2; color: #fff; }
.fb-icon { background: #1877F2; color: #fff; }
.twitch-icon { background: #9146FF; color: #fff; }
.kwai-icon { background: #FF6200; color: #fff; display: flex; align-items: center; justify-content: center; }
.pinterest-icon { background: #E60023; color: #fff; }
.reddit-icon { background: #FF4500; color: #fff; }
.li-icon { background: #0A66C2; color: #fff; }
.vimeo-icon { background: #1AB7EA; color: #fff; }
.dm-icon, .ted-icon { background: var(--gray-100); font-size: 1.3rem; display: flex; align-items: center; justify-content: center; }
.gdrive-icon { background: #34A853; color: #fff; }
.thumb-icon { background: var(--black); color: var(--accent); }
.bg-icon { background: #7C3AED; color: #fff; }
.pdf-icon { background: #DC2626; color: #fff; }
.compress-icon { background: #0891B2; color: #fff; }
.audio-icon { background: #DB2777; color: #fff; }
.qr-icon { background: var(--black); color: var(--accent); }
.sign-icon { background: #059669; color: #fff; }
.exif-icon { background: #D97706; color: #fff; }
.transcribe-icon { background: #7C3AED; color: #fff; }
.speed-icon { background: var(--black); color: var(--accent); }

/* ─── GRIDS ─── */
.downloaders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

/* ─── INPUTS ─── */
.url-input {
  width: 100%; padding: 12px 18px; border: 1.5px solid var(--gray-200);
  border-radius: 100px; font-family: var(--font-body); font-size: 0.9rem;
  background: var(--white); transition: border-color var(--transition);
  outline: none;
}
.url-input:focus { border-color: var(--black); }
.url-input.sm { padding: 10px 16px; font-size: 0.85rem; }
.section-dark .url-input { background: var(--gray-900); border-color: var(--dark-border); color: var(--white); }
.section-dark .url-input::placeholder { color: var(--gray-700); }

.input-row { display: flex; gap: 10px; align-items: center; }
.input-row .url-input { flex: 1; border-radius: 100px; }
.input-col { display: flex; flex-direction: column; gap: 10px; }

.format-options { display: flex; gap: 16px; flex-wrap: wrap; }
.format-options label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; cursor: pointer; color: var(--gray-700); }
.section-dark .format-options label { color: var(--gray-400); }

.quality-select select {
  padding: 8px 14px; border: 1.5px solid var(--gray-200); border-radius: 100px;
  font-family: var(--font-body); font-size: 0.84rem; background: var(--white);
  cursor: pointer; outline: none;
}
.section-dark .quality-select select { background: var(--gray-900); border-color: var(--dark-border); color: var(--white); }

.time-range { display: flex; align-items: center; gap: 8px; }
.time-input {
  width: 90px; padding: 8px 12px; border: 1.5px solid var(--gray-200);
  border-radius: 10px; font-family: var(--font-body); font-size: 0.84rem;
  text-align: center; outline: none;
}
.time-input:focus { border-color: var(--black); }
.section-dark .time-input { background: var(--gray-900); border-color: var(--dark-border); color: var(--white); }

/* ─── UPLOAD ZONE ─── */
.upload-zone {
  border: 2px dashed var(--gray-200); border-radius: var(--radius-sm);
  padding: 28px 20px; text-align: center; display: flex; flex-direction: column;
  align-items: center; gap: 10px; cursor: pointer; transition: all var(--transition);
}
.upload-zone:hover { border-color: var(--black); background: var(--gray-100); }
.upload-zone i { opacity: 0.35; }
.upload-zone p { font-size: 0.85rem; margin: 0; }
.section-dark .upload-zone { border-color: var(--dark-border); }
.section-dark .upload-zone:hover { border-color: var(--accent); background: rgba(184,255,87,0.04); }

/* ─── RESULT BOXES ─── */
.result-box {
  background: var(--gray-100); border-radius: var(--radius-sm);
  padding: 16px; font-size: 0.85rem; word-break: break-all;
}
.result-box.success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.result-box.error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.result-box.loading { background: var(--gray-100); color: var(--gray-700); }
.section-dark .result-box { background: #1a1a18; color: var(--gray-400); }
.hidden { display: none !important; }

.result-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 10px;
  background: var(--black); color: var(--accent); padding: 10px 20px;
  border-radius: 100px; font-size: 0.82rem; font-weight: 700;
  text-decoration: none; transition: all var(--transition);
}
.result-link:hover { background: var(--accent); color: var(--black); }

/* ─── QR CODE ─── */
.qr-form { display: flex; flex-direction: column; gap: 12px; }
.color-row { display: flex; gap: 16px; align-items: center; }
.color-row label { display: flex; align-items: center; gap: 8px; font-size: 0.84rem; }
.color-row input[type="color"] { width: 36px; height: 28px; border: none; border-radius: 6px; cursor: pointer; padding: 0; }
.qr-output { display: flex; flex-direction: column; align-items: center; gap: 12px; }
#qrCanvas { border-radius: 10px; border: 1px solid var(--gray-200); }

/* ─── SIGNATURE PAD ─── */
.signature-pad {
  border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  cursor: crosshair; background: #fff; touch-action: none; width: 100%; max-width: 340px;
}
.sign-controls { display: flex; gap: 10px; flex-wrap: wrap; }

/* ─── EXIF TABLE ─── */
.exif-table { font-size: 0.8rem; }
.exif-table table { width: 100%; border-collapse: collapse; }
.exif-table td { padding: 6px 10px; border-bottom: 1px solid var(--gray-200); }
.exif-table td:first-child { font-weight: 600; color: var(--gray-700); width: 45%; }

/* ─── SPEED TEST ─── */
.speed-display { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.speed-gauge {
  flex: 1; min-width: 80px; text-align: center; background: var(--gray-100);
  border-radius: var(--radius-sm); padding: 16px 12px;
}
.section-dark .speed-gauge { background: #161614; border: 1px solid var(--dark-border); }
.gauge-value { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--black); }
.section-dark .gauge-value { color: var(--accent); }
.gauge-label { font-size: 0.72rem; color: var(--gray-400); margin-top: 4px; }
.speed-history { margin-top: 12px; font-size: 0.78rem; color: var(--gray-700); }

/* ─── SLIDER ─── */
.slider-row { display: flex; flex-direction: column; gap: 6px; }
.slider-row label { font-size: 0.84rem; color: var(--gray-700); }
.slider-row input[type="range"] { width: 100%; accent-color: var(--accent-dark); }
.hint { font-size: 0.72rem; color: var(--gray-400); }

/* ─── THUMB GRID ─── */
.thumb-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px; margin-top: 4px;
}
.thumb-grid img { width: 100%; border-radius: 8px; cursor: pointer; transition: transform var(--transition); }
.thumb-grid img:hover { transform: scale(1.04); }

/* ─── RESULT GALLERY ─── */
.result-gallery { display: flex; flex-wrap: wrap; gap: 12px; }
.result-gallery img { width: 120px; height: 120px; object-fit: cover; border-radius: 10px; border: 2px solid var(--gray-200); }

/* ─── DOAÇÃO ─── */
.donation-section {
  padding: 80px 0;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.donation-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--black);
  color: var(--white);
  border-radius: 32px;
  padding: 60px 40px;
  text-align: center;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--dark-border);
}
.donation-card h2 { color: var(--accent); margin-bottom: 24px; font-size: 2.2rem; }
.donation-card p { color: var(--gray-400); font-size: 1.1rem; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.donation-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: inline-block;
  animation: heartBeat 2s infinite;
}
@keyframes heartBeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.1); }
  28% { transform: scale(1); }
  42% { transform: scale(1.1); }
  70% { transform: scale(1); }
}
.pix-box {
  background: var(--gray-900);
  border: 1.5px dashed var(--accent);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}
.pix-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); font-weight: 700; }
.pix-key { font-family: monospace; font-size: clamp(0.8rem, 3vw, 1.1rem); color: var(--white); word-break: break-all; }
.copy-btn {
  background: var(--accent);
  color: var(--black);
  border: none;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.copy-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(184,255,87,0.4); }
.copy-btn:active { transform: translateY(0); }

/* ─── SOBRE ─── */
.sobre-inner { display: flex; align-items: center; gap: 80px; }lex-wrap: wrap; }
.sobre-text { flex: 1.5; min-width: 260px; display: flex; flex-direction: column; gap: 16px; }
.sobre-text p { font-size: 1rem; }
.about-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.about-badges span {
  background: var(--gray-100); border: 1px solid var(--gray-200);
  padding: 6px 14px; border-radius: 100px; font-size: 0.82rem; font-weight: 500;
}
.sobre-visual { flex: 1; min-width: 200px; display: flex; gap: 16px; flex-wrap: wrap; }
.about-card {
  flex: 1; min-width: 120px; background: var(--black); color: var(--white);
  border-radius: var(--radius); padding: 28px 20px; text-align: center;
}
.ac-num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; color: var(--accent); }
.ac-label { font-size: 0.8rem; color: var(--gray-400); margin-top: 6px; }

/* ─── FOOTER ─── */
.footer { background: var(--black); color: var(--white); padding: 48px 0; }
.footer-inner {
  display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
  justify-content: space-between;
}
.footer-logo span { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.footer-logo p { font-size: 0.82rem; color: var(--gray-400); margin-top: 4px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.85rem; color: var(--gray-400); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-note { font-size: 0.78rem; color: var(--gray-700); }

/* ─── LOADING SPINNER ─── */
.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid transparent; border-top-color: currentColor;
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-btn { display: flex; }
  .hero { min-height: 90vh; }
  .hero-stats { flex-wrap: wrap; border-radius: var(--radius); padding: 16px 20px; }
  .stat { padding: 8px 16px; }
  .stat-div { display: none; }
  .input-row { flex-direction: column; align-items: stretch; }
  .tool-card.featured { padding: 24px; }
  .tool-card-header { flex-wrap: wrap; }
  .badge-hot { margin-left: 0; }
  .sobre-inner { flex-direction: column; gap: 36px; }
  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
  .footer-links { justify-content: center; }
  .downloaders-grid, .tools-grid { grid-template-columns: 1fr; }
}

/* ─── PROGRESS BAR ─── */
.progress-bar-wrap {
  height: 6px; background: var(--gray-200); border-radius: 100px; overflow: hidden; margin-top: 8px;
}
.progress-bar {
  height: 100%; background: var(--accent-dark); border-radius: 100px;
  transition: width 0.3s ease; width: 0%;
}

/* ─── COBALT API NOTICE ─── */
.api-notice {
  background: linear-gradient(135deg, #f7ffe0, #e8f5e0);
  border: 1px solid #b8ff57; border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 0.78rem; color: #2d5a00; margin-top: 6px;
}