* {margin:0;padding:0;box-sizing:border-box;}
html,body {overflow-x:hidden;}
html {scroll-behavior:smooth;}
body {font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#ffffff;background:linear-gradient(135deg,#1b1e2f 0%,#2a2d42 25%,#1b1e2f 50%,#34374d 75%,#1b1e2f 100%);background-attachment:fixed;animation:gradientShift 15s ease-in-out infinite;}

@keyframes gradientShift {
0% {background:linear-gradient(135deg,#1b1e2f 0%,#2a2d42 25%,#1b1e2f 50%,#34374d 75%,#1b1e2f 100%);}
50% {background:linear-gradient(135deg,#34374d 0%,#1b1e2f 25%,#2a2d42 50%,#1b1e2f 75%,#34374d 100%);}
100% {background:linear-gradient(135deg,#1b1e2f 0%,#2a2d42 25%,#1b1e2f 50%,#34374d 75%,#1b1e2f 100%);}
}

.navigation-bar {position:fixed;top:0;width:100%;height:60px;background:rgba(27,30,47,0.95);backdrop-filter:blur(10px);z-index:1000;padding:15px 10px;display:flex;align-items:center;justify-content:space-between;transition:all 0.3s ease;}
.navigation-bar.scrolled {background:rgba(27,30,47,0.98);box-shadow:0 4px 20px rgba(0,0,0,0.3);}
.nav-brand {display:flex;align-items:center;}
.brand-logo {height:24px;width:125px;}
.nav-links {list-style:none;display:flex;align-items:center;margin-left:40px;}
.nav-item {margin:0 20px;color:#ffffff;text-decoration:none;font-weight:500;transition:all 0.3s ease;}
.nav-item a {color:#ffffff;text-decoration:none;}
.nav-item:hover,.nav-item a:hover {color:#ffd700;transform:translateY(-2px);}
.nav-item.active {color:#ffd700;font-weight:600;}
.auth-buttons {display:flex;align-items:center;gap:10px;}
.sign-up-btn,.sign-in-btn {background:linear-gradient(135deg,#ffd700,#ffed4a);color:#1b1e2f;padding:8px 20px;border:none;border-radius:25px;font-weight:600;text-decoration:none;transition:all 0.3s ease;}
.sign-up-btn:hover,.sign-in-btn:hover {transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,215,0,0.4);}
.hamburger-menu {display:none;cursor:pointer;flex-direction:column;justify-content:space-around;width:25px;height:20px;}
.hamburger-menu span {display:block;width:25px;height:3px;background:#ffd700;transition:all 0.3s ease;}
.mobile-menu {display:none;position:fixed;top:60px;width:100%;background:rgba(27,30,47,0.98);z-index:999;padding:20px;}
.mobile-nav-links {list-style:none;}
.mobile-nav-links li {margin:15px 0;}
.mobile-nav-links a {color:#ffffff;text-decoration:none;font-size:18px;font-weight:500;}
.mobile-auth {margin-top:20px;}
.mobile-sign-up,.mobile-sign-in {display:block;background:linear-gradient(135deg,#ffd700,#ffed4a);color:#1b1e2f;padding:12px;margin:10px 0;border-radius:25px;text-align:center;text-decoration:none;font-weight:600;}

.app-main {margin-top:60px;position:relative;}
.app-main::before {content:'📱';position:absolute;font-size:8rem;opacity:0.1;top:150px;left:5%;animation:floatAppLeft 22s linear infinite;z-index:1;}
.app-main::after {content:'⚡';position:absolute;font-size:7rem;opacity:0.12;top:600px;right:8%;animation:floatAppRight 18s linear infinite;z-index:1;}

@keyframes floatAppLeft {
0% {transform:translateX(-80px) translateY(0px) rotate(0deg);}
100% {transform:translateX(120px) translateY(-30px) rotate(180deg);}
}

@keyframes floatAppRight {
0% {transform:translateX(80px) translateY(0px) rotate(0deg);}
100% {transform:translateX(-120px) translateY(-60px) rotate(-180deg);}
}

section {padding:60px 10px;max-width:1200px;margin:0 auto;position:relative;z-index:2;}
h1 {font-size:clamp(2.2rem,4.5vw,3.5rem);font-weight:700;margin-bottom:20px;background:linear-gradient(135deg,#ffd700,#ffffff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
h2 {font-size:clamp(2rem,4vw,2.8rem);margin-bottom:25px;color:#ffd700;font-weight:600;}
h3 {font-size:clamp(1.4rem,3vw,1.8rem);margin-bottom:15px;color:#ffffff;font-weight:600;}
p {font-size:clamp(1rem,2vw,1.1rem);margin-bottom:20px;color:#e0e0e0;line-height:1.7;}

.app-showcase {min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;}
.app-showcase::before {content:'💾';position:absolute;font-size:6rem;opacity:0.08;top:30px;right:10%;animation:pulse 5s ease-in-out infinite;}
.showcase-area {max-width:800px;padding:20px;}
.app-title {font-size:clamp(2.5rem,5vw,3.8rem);font-weight:700;margin-bottom:25px;background:linear-gradient(135deg,#ffd700,#ffffff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.app-description {font-size:clamp(1.1rem,2.5vw,1.3rem);margin-bottom:40px;color:#e0e0e0;line-height:1.8;}

.download-options {display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:40px;}
.download-android,.download-ios {display:flex;align-items:center;gap:15px;background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);padding:20px 30px;border-radius:15px;text-decoration:none;color:#ffffff;font-weight:600;font-size:1.1rem;transition:all 0.3s ease;}
.download-android:hover,.download-ios:hover {transform:translateY(-5px);box-shadow:0 15px 40px rgba(255,215,0,0.3);background:rgba(255,215,0,0.15);}

.app-advantages::before {content:'🚀';position:absolute;font-size:6rem;opacity:0.1;top:80px;left:8%;animation:rotate 20s linear infinite;}
.advantage-cards {display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin:40px 0;}
.advantage-item {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:30px;border-radius:20px;text-align:center;transition:all 0.3s ease;}
.advantage-item:hover {transform:translateY(-8px);box-shadow:0 20px 40px rgba(255,215,0,0.2);}
.advantage-icon {font-size:3rem;margin-bottom:20px;}

.app-cta-mid {background:linear-gradient(135deg,#ffd700,#ffed4a);color:#1b1e2f;padding:15px 35px;border-radius:30px;text-decoration:none;font-weight:700;font-size:1.2rem;transition:all 0.3s ease;display:inline-block;margin:30px 0;}
.app-cta-mid:hover {transform:translateY(-3px);box-shadow:0 12px 35px rgba(255,215,0,0.4);}

.download-process::before {content:'⬇️';position:absolute;font-size:7rem;opacity:0.09;bottom:50px;right:12%;animation:bounce 4s ease-in-out infinite;}
.platform-guides {display:grid;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:40px;margin:40px 0;}
.android-guide,.ios-guide {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:30px;border-radius:20px;}
.step-list {margin-top:25px;}
.download-step {display:flex;align-items:flex-start;gap:20px;margin-bottom:25px;}
.step-num {background:linear-gradient(135deg,#ffd700,#ffed4a);color:#1b1e2f;width:35px;height:35px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;flex-shrink:0;}
.download-step p {margin:0;color:#e0e0e0;line-height:1.6;}

.technical-requirements::before {content:'⚙️';position:absolute;font-size:6rem;opacity:0.08;top:100px;left:5%;animation:spin 25s linear infinite;}
.requirements-tables {display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:40px;margin:40px 0;}
.android-requirements,.ios-requirements {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:30px;border-radius:20px;}
.requirement-table {margin-top:20px;}
.req-row {display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.1);}
.req-row:last-child {border-bottom:none;}
.req-label {color:#ffd700;font-weight:600;}
.req-value {color:#e0e0e0;}

.network-optimization::before {content:'📶';position:absolute;font-size:7rem;opacity:0.1;top:50px;right:15%;animation:pulse 6s ease-in-out infinite;}
.network-performance {display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px;margin:40px 0;}
.provider-stats {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:25px;border-radius:20px;transition:all 0.3s ease;}
.provider-stats:hover {transform:translateY(-5px);box-shadow:0 15px 35px rgba(255,215,0,0.15);}

.feature-comparison::before {content:'⚖️';position:absolute;font-size:6rem;opacity:0.08;bottom:80px;left:10%;animation:sway 8s ease-in-out infinite;}
.comparison-grid {display:grid;gap:30px;margin:40px 0;}
.feature-category {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:25px;border-radius:20px;}
.feature-details {margin-top:15px;}
.app-feature,.browser-feature {display:flex;justify-content:space-between;align-items:flex-start;padding:15px 0;border-bottom:1px solid rgba(255,255,255,0.1);}
.app-feature:last-child,.browser-feature:last-child {border-bottom:none;}
.feature-label {color:#ffd700;font-weight:600;min-width:120px;}
.feature-desc {color:#e0e0e0;flex:1;margin-left:20px;line-height:1.5;}

.data-management::before {content:'📊';position:absolute;font-size:7rem;opacity:0.1;top:120px;right:8%;animation:float 15s ease-in-out infinite;}
.data-strategies {display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin:40px 0;}
.strategy-card {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:25px;border-radius:20px;transition:all 0.3s ease;}
.strategy-card:hover {transform:translateY(-5px);box-shadow:0 15px 35px rgba(255,215,0,0.15);}

.app-final-cta {background:linear-gradient(135deg,#ffd700,#ffed4a);color:#1b1e2f;padding:18px 45px;border-radius:35px;text-decoration:none;font-weight:700;font-size:1.3rem;transition:all 0.3s ease;display:inline-block;margin:30px 0;}
.app-final-cta:hover {transform:translateY(-4px);box-shadow:0 15px 40px rgba(255,215,0,0.5);}

.troubleshooting::before {content:'🔧';position:absolute;font-size:6rem;opacity:0.09;top:60px;left:12%;animation:wobble 10s ease-in-out infinite;}
.issue-solutions {display:grid;gap:25px;margin:30px 0;}
.solution-item {background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);padding:25px;border-radius:20px;}

.security-privacy::before {content:'🔐';position:absolute;font-size:7rem;opacity:0.1;bottom:100px;right:5%;animation:lockSpin 12s linear infinite;}

.update-maintenance::before {content:'🔄';position:absolute;font-size:6rem;opacity:0.08;top:80px;left:15%;animation:refreshSpin 18s linear infinite;}

@keyframes pulse {
0%,100% {transform:scale(1);}
50% {transform:scale(1.1);}
}

@keyframes rotate {
0% {transform:rotate(0deg);}
100% {transform:rotate(360deg);}
}

@keyframes bounce {
0%,100% {transform:translateY(0px);}
50% {transform:translateY(-20px);}
}

@keyframes spin {
0% {transform:rotate(0deg);}
100% {transform:rotate(360deg);}
}

@keyframes sway {
0%,100% {transform:rotate(0deg);}
50% {transform:rotate(5deg);}
}

@keyframes float {
0%,100% {transform:translateY(0px);}
50% {transform:translateY(-15px);}
}

@keyframes wobble {
0%,100% {transform:rotate(0deg);}
25% {transform:rotate(3deg);}
75% {transform:rotate(-3deg);}
}

@keyframes lockSpin {
0% {transform:rotate(0deg);}
100% {transform:rotate(180deg);}
}

@keyframes refreshSpin {
0% {transform:rotate(0deg);}
100% {transform:rotate(360deg);}
}

.site-footer {background:rgba(27,30,47,0.95);padding:50px 10px 20px;margin-top:80px;}
.footer-content {max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;}
.footer-section h3 {color:#ffd700;margin-bottom:20px;font-size:1.3rem;}
.footer-links {list-style:none;}
.footer-links li {margin:8px 0;}
.footer-links a {color:#e0e0e0;text-decoration:none;transition:color 0.3s ease;}
.footer-links a:hover {color:#ffd700;}
.footer-description {color:#b0b0b0;line-height:1.6;}
.footer-logo {margin-bottom:15px;}

.payment-icons,.provider-logos {display:flex;flex-wrap:wrap;gap:15px;margin-top:15px;align-items:center;}
.payment-icons img,.provider-logos img {transition:all 0.3s ease;filter:grayscale(100%);}
.payment-icons img:hover,.provider-logos img:hover {filter:grayscale(0%);transform:scale(1.1);}

.footer-bottom {margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.1);text-align:center;}
.license-info,.footer-legal {color:#b0b0b0;font-size:0.9rem;margin:10px 0;}

@media (max-width:1080px) {
.nav-links,.auth-buttons {display:none;}
.hamburger-menu {display:flex;}
.mobile-menu.active {display:block;}
.download-options {flex-direction:column;align-items:center;}
.download-android,.download-ios {width:100%;max-width:300px;justify-content:center;}
}

@media (max-width:768px) {
.navigation-bar {padding:10px;}
section {padding:40px 10px;}
.platform-guides {grid-template-columns:1fr;}
.requirements-tables {grid-template-columns:1fr;}
.advantage-cards,.network-performance,.data-strategies {grid-template-columns:1fr;}
.footer-content {grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;}
}

@media (max-width:480px) {
.app-main {margin-top:60px;}
section {padding:30px 10px;}
.app-showcase {min-height:60vh;}
.app-title {font-size:2.2rem;}
.app-description {font-size:1rem;}
h2 {font-size:1.8rem;}
h3 {font-size:1.4rem;}
p {font-size:0.95rem;}
.download-options {gap:20px;}
}

@media (max-width:320px) {
section {padding:25px 5px;}
.app-title {font-size:1.8rem;}
h2 {font-size:1.5rem;}
h3 {font-size:1.2rem;}
p {font-size:0.9rem;}
.advantage-cards,.requirements-tables {gap:20px;}
}