:root {
    --bg-dark: #0b0f17;
    --bg-card: #111722;
    --bg-card2: #1a2035;
    --border: #1e293b;
    --accent: #7c3aed;
    --accent2: #06b6d4;
    --green: #10b981;
    --red: #ef4444;
    --yellow: #f59e0b;
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --text-muted: #475569;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    overflow-x: hidden;
}

/* ── Animated Background ── */
.bg-animation {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.bg-animation .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: floatOrb 20s ease-in-out infinite;
}

.bg-animation .orb:nth-child(1) {
    width: 600px; height: 600px;
    background: var(--accent);
    top: -200px; left: -100px;
    animation-delay: 0s;
}

.bg-animation .orb:nth-child(2) {
    width: 500px; height: 500px;
    background: var(--accent2);
    bottom: -150px; right: -100px;
    animation-delay: -7s;
}

.bg-animation .orb:nth-child(3) {
    width: 400px; height: 400px;
    background: var(--green);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(100px, -50px) scale(1.1); }
    50% { transform: translate(-50px, 100px) scale(0.9); }
    75% { transform: translate(50px, 50px) scale(1.05); }
}

/* ── Grid Overlay ── */
.grid-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(124,58,237,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124,58,237,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(11, 15, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
}

.nav-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 4px 15px rgba(124,58,237,0.4);
}

.nav-brand span {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.05);
}

.nav-links .btn-nav {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}

.nav-links .btn-nav:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(124,58,237,0.4);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 24px;
    cursor: pointer;
}

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ── Hero Section ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-badge .pulse {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 520px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124,58,237,0.5);
}

.btn-hero-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-hero-outline:hover {
    border-color: var(--accent);
    background: rgba(124,58,237,0.05);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat .stat-number {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Hero Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInRight 0.8s ease 0.2s both;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--bg-card);
    border-radius: 40px;
    border: 3px solid var(--border);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(124,58,237,0.1);
}

.phone-mockup .phone-notch {
    width: 120px;
    height: 28px;
    background: var(--bg-dark);
    border-radius: 0 0 16px 16px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.phone-mockup .phone-screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 50px 20px 20px;
    background: linear-gradient(180deg, rgba(124,58,237,0.1) 0%, transparent 50%);
}

.phone-mockup .phone-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 8px 20px rgba(124,58,237,0.4);
}

.phone-mockup .phone-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.phone-mockup .phone-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.phone-mockup .phone-btn {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
}

.phone-mockup .phone-btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
}

.phone-mockup .phone-btn.secondary {
    background: var(--bg-dark);
    color: var(--text);
    border: 1px solid var(--border);
}

.phone-mockup .phone-btn.success {
    background: rgba(16,185,129,0.15);
    color: var(--green);
    border: 1px solid rgba(16,185,129,0.3);
}

.phone-mockup .phone-btn.cyan {
    background: rgba(6,182,212,0.15);
    color: var(--cyan);
    border: 1px solid rgba(6,182,212,0.3);
}

.phone-mockup .phone-btn.orange {
    background: rgba(249,115,22,0.15);
    color: #f97316;
    border: 1px solid rgba(249,115,22,0.3);
}

.phone-mockup .phone-footer {
    margin-top: auto;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
}

.phone-mockup .phone-footer span {
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}

/* Glow Effect */
.phone-mockup::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent), transparent, var(--accent2), transparent);
    animation: rotateGlow 8s linear infinite;
    opacity: 0.1;
}

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

/* ── Section Common ── */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header h2 .gradient {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 18px;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ── Features Section ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 28px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(124,58,237,0.3);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-icon.purple { background: rgba(124,58,237,0.15); color: var(--accent); }
.feature-icon.cyan { background: rgba(6,182,212,0.15); color: var(--accent2); }
.feature-icon.green { background: rgba(16,185,129,0.15); color: var(--green); }
.feature-icon.yellow { background: rgba(245,158,11,0.15); color: var(--yellow); }
.feature-icon.red { background: rgba(239,68,68,0.15); color: var(--red); }
.feature-icon.blue { background: rgba(59,130,246,0.15); color: #3b82f6; }

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ── How It Works ── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    opacity: 0.3;
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
    transition: all 0.3s;
}

.step-number i {
    font-size: 28px;
    color: var(--accent);
}

.step-item:hover .step-number {
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(124,58,237,0.3);
}

.step-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-item p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ── Download Section ── */
.download-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--accent), var(--accent2), var(--green), var(--accent));
    border-radius: 24px;
    z-index: -1;
    opacity: 0.5;
    filter: blur(20px);
}

.download-card::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--bg-card);
    border-radius: 22px;
    z-index: -1;
}

.download-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #fff;
    margin: 0 auto 32px;
    box-shadow: 0 12px 40px rgba(124,58,237,0.4);
    animation: bounce 3s ease-in-out infinite;
}

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

.download-card h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-card .version-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--green);
    margin-bottom: 24px;
}

.download-card p {
    font-size: 16px;
    color: var(--text-dim);
    max-width: 500px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-download.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    box-shadow: 0 8px 30px rgba(124,58,237,0.4);
}

.btn-download.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(124,58,237,0.5);
}

.btn-download.outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
}

.btn-download.outline:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.download-info-item {
    text-align: center;
}

.download-info-item .info-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.download-info-item .info-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Requirements ── */
.requirements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.req-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
}

.req-card i {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 16px;
}

.req-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.req-card p {
    font-size: 13px;
    color: var(--text-dim);
}

/* ── Footer ── */
.footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    text-decoration: none;
    transition: all 0.2s;
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Counter Animation ── */
.counter {
    display: inline-block;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero p { margin: 0 auto 40px; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { margin-top: 60px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .steps-grid::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-toggle { display: block; }
    .hero h1 { font-size: 36px; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .requirements-grid { grid-template-columns: 1fr; }
    .download-card { padding: 40px 20px; }
    .download-buttons { flex-direction: column; align-items: center; }
    .download-info { flex-direction: column; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .phone-mockup { width: 260px; height: 520px; }
    .section-header h2 { font-size: 30px; }
}