/* ubeeps — Green Tech AI Consultancy Landing
   Design language: Dark emerald + glassmorphism + terminal/code accents
   Inspired by modern AI startup aesthetics (Linear, Buzz, Vercel)
*/

:root {
  --bg: #060a08;
  --bg-alt: #0a120e;
  --bg-card: rgba(16, 28, 22, 0.55);
  --bg-card-strong: rgba(18, 30, 24, 0.85);

  --border: rgba(0, 255, 136, 0.14);
  --border-strong: rgba(0, 255, 136, 0.32);

  --green-50: #e8fff2;
  --green-100: #b5ffd6;
  --green-200: #74ffae;
  --green-300: #36ff8a;
  --green-400: #00ff88;
  --green-500: #00e676;
  --green-600: #00b85f;
  --green-700: #008844;
  --green-800: #054f2c;

  --text: #e8f5ee;
  --text-soft: #a8b8b0;
  --text-mute: #6c7c74;

  --gradient: linear-gradient(135deg, #00ff88 0%, #00e676 50%, #00b85f 100%);
  --gradient-soft: linear-gradient(135deg, rgba(0, 255, 136, 0.18), rgba(0, 184, 95, 0.06));

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 255, 136, 0.05);
  --shadow-glow: 0 0 40px rgba(0, 255, 136, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --font-sans: 'Inter', 'PingFang TC', 'PingFang SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', 'PingFang TC', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  --max-width: 1240px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul { list-style: none; }
::selection { background: var(--green-400); color: #061410; }

/* Background grid + particles */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 255, 136, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(0, 184, 95, 0.08), transparent 60%),
    var(--bg);
  pointer-events: none;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 255, 136, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 136, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black, transparent 80%);
  opacity: 0.7;
}
#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(6, 10, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.logo-mark {
  position: relative;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green-400);
  box-shadow: 0 0 16px var(--green-400);
  position: relative;
  z-index: 2;
}
.logo-pulse {
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--green-400);
  border-radius: 50%;
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}
.logo-text {
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-soft);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--green-300);
  background: rgba(0, 255, 136, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lang-switch {
  display: inline-flex;
  background: rgba(0, 255, 136, 0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px;
  gap: 2px;
}
.lang-switch button {
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  transition: all 0.25s ease;
  letter-spacing: 0.04em;
  font-family: var(--font-display);
}
.lang-switch button.active {
  background: var(--green-400);
  color: #061410;
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.4);
}
.lang-switch button:not(.active):hover {
  color: var(--green-300);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  font-family: var(--font-display);
}
.btn-primary {
  background: var(--green-400);
  color: #061410;
  box-shadow: 0 4px 20px rgba(0, 255, 136, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  background: var(--green-300);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(0, 255, 136, 0.06);
  border-color: var(--green-400);
  color: var(--green-300);
}
.btn-lg { padding: 16px 28px; font-size: 15px; }
.btn-block { width: 100%; }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: rgba(0, 255, 136, 0.05);
  border-radius: 100px;
  font-size: 13px;
  color: var(--green-200);
  font-weight: 500;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-400);
  box-shadow: 0 0 8px var(--green-400);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.4vw, 84px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-align: center;
  margin-bottom: 28px;
  max-width: 1100px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--text-soft);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 70px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat {
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  color: var(--green-300);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-mute);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Hero floating UI */
.hero-mock {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  width: 100%;
}
.mock-window {
  width: min(720px, 92vw);
  background: linear-gradient(180deg, rgba(16, 28, 22, 0.95), rgba(10, 18, 14, 0.95));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 255, 136, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transform: perspective(1200px) rotateX(2deg);
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
}
.mock-dot { width: 12px; height: 12px; border-radius: 50%; }
.mock-dot.red { background: #ff5f57; }
.mock-dot.yellow { background: #ffbd2e; }
.mock-dot.green { background: #28c840; }
.mock-title {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
}
.mock-body { padding: 24px; }
.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  margin-bottom: 6px;
  background: rgba(0, 255, 136, 0.03);
  border-radius: 8px;
  border: 1px solid rgba(0, 255, 136, 0.06);
}
.mock-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-200);
}
.mock-status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 600;
}
.mock-status.ok { background: rgba(0, 255, 136, 0.15); color: var(--green-300); border: 1px solid rgba(0, 255, 136, 0.3); }
.mock-status.run {
  background: rgba(255, 215, 0, 0.1);
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.3);
  animation: pulse-status 1.5s ease-in-out infinite;
}
@keyframes pulse-status {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.mock-bar-inner {
  height: 6px;
  background: rgba(0, 255, 136, 0.1);
  border-radius: 100px;
  overflow: hidden;
  margin: 16px 0 12px;
}
.mock-bar-fill {
  height: 100%;
  width: 78%;
  background: var(--gradient);
  border-radius: 100px;
  animation: fill-bar 3s ease-in-out infinite alternate;
}
@keyframes fill-bar {
  from { width: 30%; }
  to { width: 92%; }
}
.mock-foot {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 0.06em;
}

/* ===== STRIP / MARQUEE ===== */
.strip {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 255, 136, 0.015);
}
.strip-label {
  text-align: center;
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 28px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 36px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-soft);
}
.marquee-track span:nth-child(even) {
  color: var(--green-400);
  font-weight: 300;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ===== SECTIONS ===== */
.section {
  padding: 120px 0;
  position: relative;
}
.section-alt {
  background: rgba(0, 255, 136, 0.02);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-400);
  letter-spacing: 0.16em;
  margin-bottom: 18px;
  font-weight: 600;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.2vw, 54px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-soft);
  line-height: 1.65;
}

/* ===== SOLUTIONS GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  border-radius: var(--radius-lg);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--green-400);
  box-shadow: var(--shadow-md), 0 0 40px rgba(0, 255, 136, 0.15);
}
.card:hover::before { opacity: 1; }
.card-feature {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.08), rgba(0, 184, 95, 0.02));
  border-color: var(--green-400);
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--border-strong);
  color: var(--green-300);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.card p {
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.65;
  margin-bottom: 20px;
}
.card-list { display: flex; flex-direction: column; gap: 8px; }
.card-list li {
  font-size: 13px;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green-400);
  flex-shrink: 0;
}

/* ===== STEPS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.3s ease;
}
.step:hover {
  border-color: var(--green-400);
  background: rgba(0, 255, 136, 0.04);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--green-400);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  text-shadow: 0 0 24px rgba(0, 255, 136, 0.3);
}
.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}
.step p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}

/* ===== INDUSTRIES ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.ind {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.ind:hover {
  transform: translateY(-4px);
  border-color: var(--green-400);
}
.ind-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green-400);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 12px;
}
.ind h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}
.ind p {
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.5;
}

/* ===== WHY GRID ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
}
.why-card:hover {
  border-color: var(--green-400);
  background: rgba(0, 255, 136, 0.04);
}
.why-icon {
  font-size: 32px;
  margin-bottom: 18px;
  display: inline-block;
}
.why-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}
.why-card p {
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  padding: 100px 0;
}
.cta-inner {
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(0, 255, 136, 0.18), transparent 70%),
    linear-gradient(135deg, rgba(0, 255, 136, 0.08), rgba(0, 184, 95, 0.04));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 255, 136, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 136, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 50% 60% at 50% 50%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 50% 60% at 50% 50%, black, transparent 80%);
  pointer-events: none;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
  position: relative;
}
.cta-inner p {
  font-size: 17px;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 auto 36px;
  position: relative;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  position: relative;
}
.cta-hint {
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq-item[open] { border-color: var(--green-400); }
.faq-item:hover { border-color: var(--green-400); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 500;
  font-size: 16px;
  list-style: none;
  padding: 22px 26px;
  user-select: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-icon {
  font-size: 22px;
  color: var(--green-400);
  font-weight: 300;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-a {
  padding: 0 26px 22px;
  background: rgba(0, 255, 136, 0.025);
}
.faq-a p {
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.7;
  margin-top: -8px;
  padding-top: 12px;
  border-top: 1px dashed rgba(0, 255, 136, 0.12);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-sub {
  color: var(--text-soft);
  font-size: 16px;
  margin-bottom: 32px;
  line-height: 1.65;
}
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.channel-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
  text-decoration: none;
}
.channel-card:hover {
  border-color: var(--green-400);
  transform: translateX(4px);
}
.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--border-strong);
  color: var(--green-300);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.channel-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-mute);
  margin-bottom: 2px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.channel-desc {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}

.contact-form {
  background: var(--bg-card-strong);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-size: 13px;
  color: var(--text-mute);
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.field input, .field select, .field textarea {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  transition: all 0.2s ease;
  outline: none;
}
.field textarea { resize: vertical; min-height: 100px; font-family: var(--font-sans); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--green-400);
  background: rgba(0, 255, 136, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}
.field select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2212%22%20height%3D%2212%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%2300ff88%22%20stroke-width%3D%222%22%3E%3Cpath%20d%3D%22M6%209l6%206%206-6%22%2F%3E%3C%2Fsvg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.field select option { background: var(--bg); color: var(--text); }
.form-note {
  font-size: 12px;
  color: var(--text-mute);
  text-align: center;
  line-height: 1.5;
}
.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  margin-top: 4px;
  border: 1px solid transparent;
}
.form-status.success {
  background: rgba(0, 255, 136, 0.08);
  color: var(--green-200);
  border-color: rgba(0, 255, 136, 0.3);
}
.form-status.error {
  background: rgba(255, 90, 90, 0.08);
  color: #ffb1b1;
  border-color: rgba(255, 90, 90, 0.3);
}

/* ===== FOOTER ===== */
.footer {
  padding: 80px 0 32px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-tag {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
  max-width: 320px;
}
.footer h5 {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.footer ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer ul a, .footer ul li {
  font-size: 14px;
  color: var(--text-soft);
  transition: color 0.2s ease;
}
.footer ul a:hover {
  color: var(--green-300);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ===== FLOATING WHATSAPP ===== */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 99;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.6);
  transition: all 0.3s ease;
  animation: float-pulse 2.4s ease-in-out infinite;
}
.wa-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 14px 40px rgba(37, 211, 102, 0.6);
}
@keyframes float-pulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.6); }
  50% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 18px rgba(37, 211, 102, 0); }
}
.wa-text {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: #25d366;
  color: white;
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  font-family: var(--font-display);
}
.wa-float:hover .wa-text {
  opacity: 1;
  transform: translateY(-50%) translateX(-4px);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(6, 10, 8, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav-links.open a {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
  }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .nav-cta { display: none; }
  .section { padding: 80px 0; }
  .hero { padding: 130px 0 60px; }
  .cta-inner { padding: 56px 32px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .cards-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .contact-form { padding: 24px; }
  .lang-switch button { padding: 5px 10px; font-size: 11px; }
  .hero-cta { flex-direction: column; width: 100%; padding: 0 20px; }
  .hero-cta .btn { width: 100%; }
  .wa-float { width: 54px; height: 54px; right: 16px; bottom: 16px; }
  .wa-text { display: none; }
  .mock-window { transform: none; }
}