:root {
    --bg-color: #0b190f;
    --text-main: #f8fafc;
    --text-muted: #a3b18a;
    --primary: #3a5a40;
    --primary-rgb: 58, 90, 64;
    --primary-hover: #2d4732;
    --accent: #52b788;
    --card-bg: rgba(30, 59, 41, 0.4);
    --card-border: rgba(255, 255, 255, 0.1);
    
    --grad-start: #3a5a40;
    --grad-end: #52b788;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Orbs */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.6;
    animation: float 20s infinite alternate ease-in-out;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.orb-2 {
    bottom: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 30px) scale(1.1); }
    100% { transform: translate(-30px, 50px) scale(0.9); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; font-weight: 800; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }

.gradient-text {
    background: linear-gradient(to right, var(--grad-start), var(--grad-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

.text-center { text-align: center; }
.w-100 { width: 100%; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(var(--primary-rgb), 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--card-border);
    transform: translateY(-2px);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--bg-color);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    padding: 0.75rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-links .btn {
    padding: 0.5rem 1.25rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: all 0.3s;
    position: relative;
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

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

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    color: var(--primary);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.visual-controls {
    z-index: 10;
}

#visual-container {
    width: 100%;
    height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.visual-item.active {
    display: flex;
    opacity: 1;
}

/* Concept 1: Smartphone */
.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    border-radius: 3rem;
    padding: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transform: rotateY(-15deg) rotateX(5deg);
    animation: floating 6s infinite ease-in-out;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #0b190f;
    border-radius: 2.5rem;
    overflow: hidden;
}

.notch { width: 100px; height: 20px; background: #1a1a1a; margin: 0 auto; border-radius: 0 0 1rem 1rem; }
.phone-content { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.app-logo {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.app-card { height: 60px; background: rgba(255,255,255,0.05); border-radius: 1rem; border: 1px solid rgba(255,255,255,0.1); }
.app-card.mini { height: 30px; width: 70%; }
.app-fab { position: absolute; bottom: 2rem; right: 1.5rem; width: 48px; height: 48px; background: var(--accent); border-radius: 50%; }



/* Concept 3: App Universe */
.universe-center {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dc-core {
    width: 120px;
    height: 120px;
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(var(--primary-rgb), 0.4);
    z-index: 2;
    overflow: hidden;
}

.orbiting-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: orbit var(--d) linear infinite;
}

.icon-1 { --d: 10s; --r: 120px; }
.icon-2 { --d: 15s; --r: 140px; }
.icon-3 { --d: 12s; --r: 130px; }
.icon-4 { --d: 18s; --r: 150px; }

@keyframes orbit {
    from { transform: rotate(0deg) translateX(var(--r)) rotate(0deg); }
    to { transform: rotate(360deg) translateX(var(--r)) rotate(-360deg); }
}

/* Concept 4: Dashboard Matrix */
.dashboard-panel {
    width: 350px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.dash-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.dash-dot { width: 10px; height: 10px; background: #22c55e; border-radius: 50%; }
.dash-title { font-weight: 600; font-size: 0.875rem; color: var(--text-muted); }

.dash-grid {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    height: 120px;
}

.dash-bar {
    flex: 1;
    background: var(--primary);
    height: 0;
    border-radius: 4px 4px 0 0;
    animation: barGrow 2s ease-out forwards;
    animation-delay: 0.5s;
}

@keyframes barGrow {
    to { height: var(--h); }
}

.dash-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-line { height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; width: 100%; }
.stat-line.short { width: 60%; }

@keyframes floating {
    0%, 100% { transform: translateY(0) rotateY(-15deg) rotateX(5deg); }
    50% { transform: translateY(-20px) rotateY(-10deg) rotateX(2deg); }
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.concept-name { color: var(--accent); margin-left: 0.5rem; }

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 1.5rem;
}

/* Products Section */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    padding: 0;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.product-badge.new { background: var(--primary); color: white; }
.product-badge.free { background: #22c55e; color: white; }
.product-badge.bestseller { background: #eab308; color: black; }

.product-image {
    height: 200px;
    background: rgba(255,255,255,0.05);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-bottom: 1px solid var(--card-border);
}

.product-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}



.product-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
    margin-top: 0.5rem;
}

/* Support Section */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support-card {
    padding: 2.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.support-card h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.support-card p {
    margin-bottom: 2rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem;
}

.contact-info {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s;
}
.info-item a:hover { color: var(--primary); }

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    color: var(--text-main);
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

/* Footer */
footer {
    background: rgba(0,0,0,0.5);
    border-top: 1px solid var(--card-border);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 2rem;
}

/* Animations & Utility */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-content p { margin: 0 auto 2.5rem; }
    .hero-actions { justify-content: center; }
    .contact-card { grid-template-columns: 1fr; gap: 2rem; }
    .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--bg-color);
        opacity: 0.98;
        backdrop-filter: blur(16px);
        width: 100%;
        height: calc(100vh - 70px);
        padding: 2rem;
        transition: left 0.3s ease;
    }
    .nav-links.active { left: 0; }
    .mobile-menu-toggle { display: block; }
    .about-grid { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
}