/* ========================================================================
   Wireless PC Mouse & Keyboard - Premium Dark Glassmorphic Landing Theme
   ======================================================================== */

:root {
  --bg-dark: #070B14;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(22, 34, 62, 0.85);
  --border-color: rgba(56, 189, 248, 0.15);
  --border-glow: rgba(0, 229, 255, 0.4);
  
  --primary: #00E5FF;
  --primary-glow: rgba(0, 229, 255, 0.35);
  --accent-blue: #0284C7;
  --accent-purple: #6366F1;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient Background Light Mesh */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb-1 {
  position: absolute;
  top: -10%;
  left: 15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, rgba(7, 11, 20, 0) 70%);
  filter: blur(80px);
}

.glow-orb-2 {
  position: absolute;
  top: 40%;
  right: -5%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(7, 11, 20, 0) 70%);
  filter: blur(100px);
}

.glow-orb-3 {
  position: absolute;
  bottom: 5%;
  left: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.12) 0%, rgba(7, 11, 20, 0) 70%);
  filter: blur(90px);
}

/* Global Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ================= NAVIGATION BAR ================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 14px var(--primary-glow);
  object-fit: cover;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(0, 229, 255, 0.15);
  color: var(--primary);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 2px 7px;
  border-radius: 6px;
  text-transform: uppercase;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #00E5FF, #0284C7);
  color: #070B14;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 229, 255, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.7);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(45, 62, 90, 0.85);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.86rem;
  border-radius: var(--radius-sm);
}

/* ================= HERO SECTION ================= */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
}

.hero-pill span.pulse {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(0, 229, 255, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 255, 0); }
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, #7DD3FC 60%, #00E5FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.22rem;
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-specs-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 500;
  flex-wrap: wrap;
}

.hero-specs-bar span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Hero Showcase Mockup */
.hero-mockup-wrap {
  margin-top: 54px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mockup-pc {
  width: 820px;
  max-width: 90%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 229, 255, 0.25);
  box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 229, 255, 0.15);
  transition: var(--transition);
}

.mockup-pc:hover {
  transform: translateY(-4px);
  box-shadow: 0 35px 80px -15px rgba(0, 0, 0, 0.9), 0 0 50px rgba(0, 229, 255, 0.25);
}

/* ================= REALISTIC IPHONE PRO MOBILE MOCKUP ================= */
.iphone-mockup {
  position: absolute;
  right: 4%;
  bottom: -35px;
  width: 250px;
  z-index: 5;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.9)) drop-shadow(0 0 30px rgba(0, 229, 255, 0.25));
  animation: floatPhone 4s ease-in-out infinite;
  user-select: none;
}

@keyframes floatPhone {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Outer Titanium Bezel Case */
.iphone-case {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 19.5;
  background: #15181F;
  border-radius: 46px;
  padding: 9px;
  box-sizing: border-box;
  box-shadow:
    inset 0 0 0 2px #474C5A,
    inset 0 0 0 4px #1A1C24,
    0 0 0 2px #2B2E38,
    0 2px 6px rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

/* Hardware Buttons on Sides */
.iphone-hw-btn {
  position: absolute;
  background: #2E323D;
  border-radius: 2px;
  z-index: 1;
}

/* Left: Action Button */
.iphone-action-btn {
  left: -3px;
  top: 75px;
  width: 4px;
  height: 22px;
  box-shadow: -1px 0 2px rgba(0,0,0,0.5);
}

/* Left: Volume Up */
.iphone-vol-up {
  left: -3px;
  top: 110px;
  width: 4px;
  height: 42px;
  box-shadow: -1px 0 2px rgba(0,0,0,0.5);
}

/* Left: Volume Down */
.iphone-vol-down {
  left: -3px;
  top: 160px;
  width: 4px;
  height: 42px;
  box-shadow: -1px 0 2px rgba(0,0,0,0.5);
}

/* Right: Power / Side Button */
.iphone-power-btn {
  right: -3px;
  top: 115px;
  width: 4px;
  height: 60px;
  box-shadow: 1px 0 2px rgba(0,0,0,0.5);
}

/* Top Speaker Ear-piece */
.iphone-speaker {
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 3px;
  background: #252832;
  border-radius: 2px;
  z-index: 20;
}

/* Inner OLED Display Screen */
.iphone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 38px;
  overflow: hidden;
  background: #F4F8FA;
  display: flex;
  flex-direction: column;
}

/* Dynamic Island */
.dynamic-island {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 20px;
  background: #000000;
  border-radius: 20px;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.di-camera {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #111520;
  box-shadow: inset 0 0 2px rgba(0, 229, 255, 0.7);
}

.di-sensor {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #0B0D13;
  margin-left: 6px;
}

/* Display Image: Actual App Home Screen */
.iphone-display-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Front Glass Diagonal Specular Glare */
.iphone-glass-glare {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.16) 0%,
    rgba(255, 255, 255, 0.05) 28%,
    rgba(255, 255, 255, 0) 50%
  );
  pointer-events: none;
  z-index: 15;
}

/* iOS Home Indicator Bar */
.iphone-home-indicator {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 4px;
  background: #0F172A;
  border-radius: 3px;
  opacity: 0.85;
  z-index: 25;
}

/* ================= DOWNLOAD HUB SECTION ================= */
.section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 54px;
}

.section-tag {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Download Cards Grid */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  backdrop-filter: blur(14px);
}

.download-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 229, 255, 0.15);
}

.download-card.featured {
  border-color: var(--primary);
  box-shadow: 0 10px 40px -10px rgba(0, 229, 255, 0.25);
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, #00E5FF, #0284C7);
  color: #070B14;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(0, 229, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 22px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.card-meta strong {
  color: var(--text-main);
}

.card-btn {
  width: 100%;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.card-alt-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.83rem;
  text-decoration: none;
  padding: 4px 0 0;
  transition: var(--transition);
}

.card-alt-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.btn-playstore {
  background: linear-gradient(135deg, #01875F, #00A86B);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(1, 135, 95, 0.35);
}

.btn-playstore:hover {
  background: linear-gradient(135deg, #019a6d, #00bd78);
  box-shadow: 0 8px 28px rgba(1, 135, 95, 0.55);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-gdrive {
  background: rgba(30, 41, 59, 0.85);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.btn-gdrive:hover {
  background: rgba(45, 62, 90, 0.95);
  border-color: #38BDF8;
  color: #38BDF8;
  transform: translateY(-2px);
}

/* ================= FEATURES GRID ================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
}

.feature-box:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.feature-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(0, 229, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  color: var(--primary);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ================= INTERACTIVE SHOWCASE TABS ================= */
.showcase-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.showcase-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(11, 15, 25, 0.6);
  overflow-x: auto;
}

.showcase-tab {
  padding: 16px 28px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.showcase-tab.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  background: rgba(0, 229, 255, 0.05);
}

.showcase-content {
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.showcase-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.showcase-text p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 22px;
}

.showcase-points {
  list-style: none;
}

.showcase-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.showcase-points li::before {
  content: "✔";
  color: var(--primary);
  font-weight: bold;
}

.showcase-img-wrap {
  text-align: center;
}

.showcase-img {
  max-width: 100%;
  max-height: 480px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

/* ================= 3-STEP QUICK START ================= */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(0, 229, 255, 0.2);
  line-height: 1;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ================= FAQ SECTION ================= */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  transition: var(--transition);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

/* ================= FOOTER ================= */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 30px;
  background: #050810;
  margin-top: 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-legal-pill {
  color: var(--primary) !important;
  font-weight: 600;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  padding: 4px 12px;
  border-radius: 6px;
  transition: var(--transition);
}

.footer-legal-pill:hover {
  background: rgba(0, 229, 255, 0.18) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
  transform: translateY(-1px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-dim);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
}

.footer-bottom-copy {
  color: var(--text-dim);
}

.footer-bottom-legal {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-bottom-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-bottom-legal a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.footer-bottom-legal .sep {
  color: rgba(255, 255, 255, 0.2);
}

/* ================= MOBILE NAV DRAWER ================= */
.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(0, 229, 255, 0.12);
  border-color: rgba(0, 229, 255, 0.4);
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(7, 11, 20, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.25);
  padding: 18px 20px 24px;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
  z-index: 99;
}

.nav-menu-mobile.open {
  display: flex;
  animation: slideDownMenu 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDownMenu {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-menu-mobile a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-menu-mobile a:hover,
.nav-menu-mobile a:active {
  background: rgba(0, 229, 255, 0.1);
  border-color: rgba(0, 229, 255, 0.3);
  color: var(--primary);
  transform: translateX(4px);
}

/* ================= LEGAL PAGES (PRIVACY & TERMS) ================= */
.legal-page {
  padding: 50px 0 80px;
  position: relative;
  z-index: 1;
}

.legal-container {
  max-width: 900px;
}

.legal-header {
  margin-bottom: 32px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 20px;
  transition: var(--transition);
}

.back-link:hover {
  text-decoration: underline;
  transform: translateX(-4px);
}

.legal-title {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 8px;
  margin-bottom: 8px;
}

.legal-meta {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.legal-highlight {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 36px;
}

.legal-highlight .highlight-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.legal-highlight strong {
  display: block;
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.legal-highlight p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.legal-section {
  margin-bottom: 36px;
}

.legal-section:last-child {
  margin-bottom: 0;
}

.legal-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  border-left: 3px solid var(--primary);
  padding-left: 12px;
}

.legal-section p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.legal-section ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 14px;
}

.legal-section ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

.legal-section ul li::before {
  content: "•";
  color: var(--primary);
  font-size: 1.3rem;
  position: absolute;
  left: 6px;
  top: -2px;
}

.legal-section a {
  color: var(--primary);
  text-decoration: underline;
}

.perm-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.perm-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.perm-table th,
.perm-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.perm-table th {
  background: rgba(0, 229, 255, 0.1);
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.perm-table td {
  color: var(--text-muted);
}

.perm-table code {
  background: rgba(255, 255, 255, 0.08);
  color: #38BDF8;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
  font-family: monospace;
}

.contact-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-top: 14px;
}

.contact-box p {
  margin-bottom: 8px;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

/* ================= ULTRA RESPONSIVE MEDIA QUERIES ================= */

/* --- Tablet Breakpoint (max-width: 992px) --- */
@media (max-width: 992px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions .nav-cta-btn { display: none; }

  .hero { padding: 60px 0 40px; }
  .hero-title { font-size: clamp(2.2rem, 5vw, 3rem); }
  .hero-mockup-wrap { margin-top: 40px; }
  .mockup-pc { width: 100%; max-width: 700px; }
  .iphone-mockup {
    width: 190px;
    right: 4%;
    bottom: -25px;
  }

  .showcase-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .showcase-visual {
    order: -1;
    display: flex;
    justify-content: center;
  }
  .showcase-img {
    max-width: 340px;
    height: auto;
  }

  .download-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .download-card.featured {
    grid-column: span 2;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .step-card {
    padding: 24px 18px;
  }

  .legal-card {
    padding: 28px 22px;
  }
}

/* --- Mobile Landscape & Small Tablets (max-width: 768px) --- */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 36px; }
  .section-title { font-size: 2rem; }

  .hero-title { font-size: clamp(1.95rem, 5.5vw, 2.6rem); }
  .hero-specs-bar {
    gap: 10px 14px;
    font-size: 0.82rem;
  }
  .hero-specs-bar span:nth-child(even) {
    display: none; /* Hide decorative separator dots when wrapped */
  }

  .download-grid {
    grid-template-columns: 1fr;
  }
  .download-card.featured {
    grid-column: span 1;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .showcase-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    scrollbar-width: none;
    gap: 8px;
  }
  .showcase-tabs::-webkit-scrollbar {
    display: none;
  }
  .showcase-tab {
    flex-shrink: 0;
    padding: 10px 18px;
    font-size: 0.88rem;
  }

  .footer-top {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .footer-brand {
    justify-content: center;
  }
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 18px;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 12px;
  }
}

/* --- Small Mobile Phones (max-width: 480px) --- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .brand-title {
    font-size: 1rem;
  }
  .brand-badge {
    display: none;
  }

  .hero {
    padding: 36px 0 28px;
  }
  .hero-pill {
    font-size: 0.76rem;
    padding: 6px 14px;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.82rem;
    line-height: 1.25;
  }
  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 26px;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-cta .btn {
    width: 100%;
    padding: 13px 20px;
    font-size: 0.94rem;
  }

  .mockup-pc {
    width: 100%;
    border-radius: 12px;
  }
  .iphone-mockup {
    width: 130px;
    right: 2%;
    bottom: -15px;
  }
  .iphone-case {
    border-radius: 28px;
    padding: 6px;
  }
  .iphone-screen {
    border-radius: 22px;
  }
  .dynamic-island {
    width: 48px;
    height: 13px;
    top: 5px;
  }
  .iphone-home-indicator {
    width: 50px;
    height: 3px;
    bottom: 3px;
  }

  .download-card {
    padding: 24px 18px;
  }
  .featured-badge {
    right: 16px;
    font-size: 0.65rem;
    padding: 3px 10px;
  }

  .card-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
    border-radius: 12px;
  }
  .card-title {
    font-size: 1.25rem;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
  }
  .faq-answer {
    padding: 0 18px 16px;
    font-size: 0.88rem;
  }

  .legal-card {
    padding: 20px 14px;
    border-radius: 14px;
  }
  .legal-highlight {
    flex-direction: column;
    gap: 10px;
  }
}