@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

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

:root {
    --bg-primary: #060a1a;
    --bg-secondary: #0c1130;
    --bg-card: rgba(12, 17, 48, 0.6);
    --bg-glass: rgba(12, 17, 48, 0.45);
    --border-glass: rgba(30, 144, 255, 0.15);
    --neon-blue: #1e90ff;
    --neon-cyan: #00d4ff;
    --neon-purple: #7b2fff;
    --text-primary: #e8eaf6;
    --text-secondary: #8892b0;
    --text-muted: #5a6380;
    --glow-blue: 0 0 20px rgba(30, 144, 255, 0.4);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-strong: 0 0 40px rgba(30, 144, 255, 0.5), 0 0 80px rgba(30, 144, 255, 0.2);
    --gradient-main: linear-gradient(135deg, #1e90ff, #00d4ff);
    --gradient-dark: linear-gradient(135deg, #060a1a, #0c1130);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-blue) var(--bg-primary);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
    background: var(--neon-blue);
    border-radius: 4px;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ── Canvas Particles ──────────────────────────────────── */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: #0a0e1e;
    background: rgba(6, 10, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    padding: 0.7rem 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

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

.nav-brand img {
    height: 42px;
    width: 42px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(30, 144, 255, 0.5));
}

.nav-brand span {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.btn-nav-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: var(--glow-blue);
}

.btn-nav-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-strong);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero Section ──────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(30, 144, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 60%, rgba(123, 47, 255, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(30, 144, 255, 0.1);
    border: 1px solid rgba(30, 144, 255, 0.2);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--neon-cyan);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff88;
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(0, 255, 136, 0); }
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .line {
    display: block;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.btn {
    padding: 14px 36px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: var(--glow-blue);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(30, 144, 255, 0.6), 0 0 60px rgba(30, 144, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--neon-blue);
    background: rgba(30, 144, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: var(--glow-blue);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 4rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stat {
    text-align: center;
}

.hero-stat .number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ── Section Common ────────────────────────────────────── */
section {
    position: relative;
    z-index: 1;
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto;
    font-size: 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ── Features ──────────────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(30, 144, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--glow-blue);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(30, 144, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border: 1px solid rgba(30, 144, 255, 0.15);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: rgba(30, 144, 255, 0.2);
    box-shadow: var(--glow-blue);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ── About ─────────────────────────────────────────────── */
.about {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-glow {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.15) 0%, transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.about-glow img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(30, 144, 255, 0.4));
    animation: float 4s ease-in-out infinite;
}

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

.about-list {
    list-style: none;
    margin-top: 1.5rem;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.about-list li .check {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: rgba(0, 212, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon-cyan);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ── Download ──────────────────────────────────────────── */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.download-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.download-card.featured {
    border-color: rgba(30, 144, 255, 0.3);
    box-shadow: 0 0 40px rgba(30, 144, 255, 0.1);
}

.download-card.featured::before {
    content: 'PRINCIPAL';
    position: absolute;
    top: 16px;
    right: -30px;
    background: var(--gradient-main);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 4px 40px;
    transform: rotate(45deg);
    letter-spacing: 1px;
}

.download-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--glow-blue);
}

.download-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(30, 144, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    border: 1px solid rgba(30, 144, 255, 0.15);
}

.download-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.download-card .version {
    color: var(--neon-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.download-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-download {
    width: 100%;
    justify-content: center;
}

/* ── Comprar ───────────────────────────────────────────── */
.comprar {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.comprar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.comprar-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.comprar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.comprar-card:hover {
    transform: translateY(-6px);
    border-color: rgba(30, 144, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--glow-blue);
}

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

.comprar-logo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.15) 0%, transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(30, 144, 255, 0.15);
}

.comprar-logo img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(30, 144, 255, 0.4));
}

.comprar-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.comprar-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.comprar-price {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.btn-comprar {
    width: 100%;
    justify-content: center;
}

/* ── Modal PIX ─────────────────────────────────────────── */
.modal-pix {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-pix.open {
    display: flex;
}

.modal-pix-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 10, 26, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-pix-content {
    position: relative;
    background: #0c1130;
    background: var(--bg-glass);
    border: 1px solid rgba(30, 144, 255, 0.3);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 440px;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--glow-blue);
    animation: fadeInUp 0.4s ease;
}

.modal-pix-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    border-radius: var(--radius) var(--radius) 0 0;
}

.modal-pix-close {
    position: absolute;
    top: 14px;
    right: 18px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
}

.modal-pix-close:hover {
    color: var(--neon-cyan);
}

.modal-pix-header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-pix-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.modal-pix-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.modal-pix-value {
    text-align: center;
    margin-bottom: 1.5rem;
}

.modal-pix-value span {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.modal-pix-value strong {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-pix-key {
    background: rgba(6, 10, 26, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.modal-pix-key span {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.pix-key-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.pix-key-row code {
    font-family: 'Inter', sans-serif;
    color: var(--neon-cyan);
    font-size: 0.95rem;
    font-weight: 600;
    word-break: break-all;
    text-align: left;
}

.btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient-main);
    border: none;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: var(--glow-blue);
}

.btn-copy:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-strong);
}

.btn-copy.copied {
    background: linear-gradient(135deg, #00c853, #00e676);
    box-shadow: 0 0 20px rgba(0, 200, 83, 0.4);
}

.modal-pix-aviso {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    text-align: center;
}

.modal-pix-aviso a {
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 600;
}

.modal-pix-aviso a:hover {
    text-decoration: underline;
}

/* ── Footer ────────────────────────────────────────────── */
footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-glass);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand img {
    height: 30px;
    width: 30px;
    object-fit: contain;
}

.footer-brand span {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

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

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

.footer-copy {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ── Login Page ────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 40%, rgba(30, 144, 255, 0.08) 0%, transparent 60%);
    z-index: 0;
}

.login-card {
    background: #0c1130;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 3rem;
    width: 100%;
    max-width: 440px;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    border-radius: var(--radius) var(--radius) 0 0;
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header img {
    height: 60px;
    width: 60px;
    object-fit: contain;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 15px rgba(30, 144, 255, 0.5));
}

.login-header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    background: rgba(6, 10, 26, 0.6);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.15);
}

.btn-login {
    width: 100%;
    padding: 16px;
    margin-top: 0.5rem;
    font-size: 1rem;
}

.login-error {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 1.5rem;
    color: #ff4757;
    font-size: 0.85rem;
    display: none;
    align-items: center;
    gap: 8px;
}

.login-error.show {
    display: flex;
}

.login-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    margin-top: 1.5rem;
    transition: var(--transition);
}

.login-back:hover {
    color: var(--neon-cyan);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #0a0e1e;
        background: rgba(6, 10, 26, 0.98);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border-glass);
    }

    .nav-links.open {
        right: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .hero-stat .number {
        font-size: 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .about-visual {
        order: -1;
    }

    .about-list li {
        justify-content: center;
    }

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

    .login-card {
        padding: 2rem 1.5rem;
    }

    section {
        padding: 4rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
}